GNU Gnulib

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GNU Gnulib

This manual is for GNU Gnulib (updated 2014-02-03 00:48:46), which is a library of common routines intended to be shared at the source level.

Copyright © 2004–2014 Free Software Foundation, Inc.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License”.

• Brief Overview:  
• Philosophy:  
• Invoking gnulib-tool:  
• Writing modules:  
• Extending Gnulib:  
• Miscellaneous Notes:  
• POSIX Substitutes Library:  Building as a separate substitutes library.
• Header File Substitutes:  Overriding system headers.
• Function Substitutes:  Replacing system functions.
• Legacy Function Substitutes:  Replacing system functions.
• Glibc Header File Substitutes:  Overriding system headers.
• Glibc Function Substitutes:  Replacing system functions.
• Particular Modules:  Documentation of individual modules.
• Regular expressions:  The regex module.
• GNU Free Documentation License:  Copying and sharing this manual.
• Index:  

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1 Brief Overview

Gnulib is a source code library that provides basic functionality to programs and libraries. Many software packages make use of Gnulib to avoid reinventing the portability wheel.

Resources:

• Gnulib Basics:  
• Git Checkout:  
• Keeping Up-to-date:  
• Contributing to Gnulib:  
• High Quality:  

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1.1 Gnulib Basics

While portability across operating systems is not one of GNU’s primary goals, it has helped introduce many people to the GNU system, and is worthwhile when it can be achieved at a low cost. This collection helps lower that cost.

Gnulib is intended to be the canonical source for most of the important “portability” and/or common files for GNU projects. These are files intended to be shared at the source level; Gnulib is not a typical library meant to be installed and linked against. Thus, unlike most projects, Gnulib does not normally generate a source tarball distribution; instead, developers grab modules directly from the source repository.

The easiest, and recommended, way to do this is to use the gnulib-tool script. Since there is no installation procedure for Gnulib, gnulib-tool needs to be run directly in the directory that contains the Gnulib source code. You can do this either by specifying the absolute filename of gnulib-tool, or by using a symbolic link from a place inside your PATH to the gnulib-tool file of your preferred Gnulib checkout. For example: 

$ ln -s $HOME/gnu/src/gnulib.git/gnulib-tool $HOME/bin/gnulib-tool

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1.2 Git Checkout

Gnulib is available for anonymous checkout. In any Bourne-shell the following should work: 

$ git clone git://git.sv.gnu.org/gnulib.git

For a read-write checkout you need to have a login on ‘savannah.gnu.org’ and be a member of the Gnulib project at http://savannah.gnu.org/projects/gnulib. Then, instead of the URL git://git.sv.gnu.org/gnulib, use the URL ‘ssh://user@git.sv.gnu.org/srv/git/gnulib’ where user is your login name on savannah.gnu.org.

git resources:

Overview:

http://en.wikipedia.org/wiki/Git_(software)

Homepage:

http://git-scm.com/

When you use git annotate or git blame with Gnulib, it’s recommended that you use the -w option, in order to ignore massive whitespace changes that happened in 2009.

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1.3 Keeping Up-to-date

The best way to work with Gnulib is to check it out of git. To synchronize, you can use git pull.

Subscribing to the bug-gnulib@gnu.org mailing list will help you to plan when to update your local copy of Gnulib (which you use to maintain your software) from git. You can review the archives, subscribe, etc., via https://lists.gnu.org/mailman/listinfo/bug-gnulib.

Sometimes, using an updated version of Gnulib will require you to use newer versions of GNU Automake or Autoconf. You may find it helpful to join the autotools-announce mailing list to be advised of such changes.

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1.4 Contributing to Gnulib

All software here is copyrighted by the Free Software Foundation—you need to have filled out an assignment form for a project that uses the module for that contribution to be accepted here.

If you have a piece of code that you would like to contribute, please email bug-gnulib@gnu.org.

Generally we are looking for files that fulfill at least one of the following requirements:

If your functions define completely new but rarely used functionality, you should probably consider packaging it as a separate library.

• Gnulib licensing:  
• Indent with spaces not TABs:  
• How to add a new module:  
• Portability guidelines:  

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1.4.1 Gnulib licensing

Gnulib contains code both under GPL and LGPL. Because several packages that use Gnulib are GPL, the files state they are licensed under GPL. However, to support LGPL projects as well, you may use some of the files under LGPL. The “License:” information in the files under modules/ clarifies the real license that applies to the module source.

Keep in mind that if you submit patches to files in Gnulib, you should license them under a compatible license, which means that sometimes the contribution will have to be LGPL, if the original file is available under LGPL via a “License: LGPL” information in the projects’ modules/ file.

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1.4.2 Indent with spaces not TABs

We use space-only indentation in nearly all files. This includes all *.h, *.c, *.y files, except for the regex module. Makefile and ChangeLog files are excluded, since TAB characters are part of their format.

In order to tell your editor to produce space-only indentation, you can use these instructions.

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1.4.3 How to add a new module

You can test that a module builds correctly with: 

$ ./gnulib-tool --create-testdir --dir=/tmp/testdir module1 ... moduleN
$ cd /tmp/testdir
$ ./configure && make

Other things:

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1.4.4 Portability guidelines

Gnulib code is intended to be portable to a wide variety of platforms, not just GNU platforms. See the documentation section “Target Platforms” for details.

Many Gnulib modules exist so that applications need not worry about undesirable variability in implementations. For example, an application that uses the malloc module need not worry about malloc (0) returning NULL on some Standard C platforms; and time_r users need not worry about localtime_r returning int (not char *) on some platforms that predate POSIX 1003.1-2001.

Currently we assume at least a freestanding C89 compiler, possibly operating with a C library that predates C89. The oldest environments currently ported to are probably HP-UX 10.20 and IRIX 5.3, though we are not testing these platforms very often.

Because we assume a freestanding C89 compiler, Gnulib code can include <float.h>, <limits.h>, <stdarg.h>, and <stddef.h> unconditionally. It can also assume the existence of <ctype.h>, <errno.h>, <fcntl.h>, <locale.h>, <signal.h>, <stdio.h>, <stdlib.h>, <string.h>, and <time.h>. Similarly, many modules include <sys/types.h> even though it’s not even in C99; that’s OK since <sys/types.h> has been around nearly forever.

Even if the include files exist, they may not conform to C89. However, GCC has a fixincludes script that attempts to fix most C89-conformance problems. So Gnulib currently assumes include files largely conform to C89 or better. People still using ancient hosts should use fixincludes or fix their include files manually.

Even if the include files conform to C89, the library itself may not. For example, strtod and mktime have some bugs on some platforms. You can work around some of these problems by requiring the relevant modules, e.g., the Gnulib mktime module supplies a working and conforming mktime.

The GNU coding standards allow one departure from strict C99: Gnulib code can assume that standard internal types like size_t are no wider than long. POSIX 1003.1-2001 and the GNU coding standards both require int to be at least 32 bits wide, so Gnulib code assumes this as well. Gnulib code makes the following additional assumptions:

The above assumptions are not required by the C or POSIX standards but hold on all practical porting targets that we’re familiar with. If you have a porting target where these assumptions are not true, we’d appreciate hearing of any fixes. We need fixes that do not increase runtime overhead on standard hosts and that are relatively easy to maintain.

With the above caveats, Gnulib code should port without problem to new hosts, e.g., hosts conforming to C99 or to recent POSIX standards. Hence Gnulib code should avoid using constructs (e.g., undeclared functions return int) that do not conform to C99.

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1.5 High Quality

We develop and maintain a testsuite for Gnulib. The goal is to have a 100% firm interface so that maintainers can feel free to update to the code in git at any time and know that their application will not break. This means that before any change can be committed to the repository, a test suite program must be produced that exposes the bug for regression testing. All experimental work should be done on branches to help promote this.

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2 Philosophy

Gnulib’s design and development philosophy is organized around steady, collaborative, and open development of reusable modules that are suitable for a reasonably wide variety of platforms.

• Benefits:  
• Library vs Reusable Code:  
• Portability and Application Code:  
• Target Platforms:  
• Modules:  
• Various Kinds of Modules:  
• Collaborative Development:  
• Copyright:  
• Steady Development:  
• Openness:  

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2.1 Benefits of using Gnulib

Gnulib is useful to enhance various aspects of a package:

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2.2 Library vs. Reusable Code

Classical libraries are installed as binary object code. Gnulib is different: It is used as a source code library. Each package that uses Gnulib thus ships with part of the Gnulib source code. The used portion of Gnulib is tailored to the package: A build tool, called gnulib-tool, is provided that copies a tailored subset of Gnulib into the package.

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2.3 Portability and Application Code

One of the goals of Gnulib is to make portable programming easy, on the basis of the standards relevant for GNU (and Unix). The objective behind that is to avoid a fragmentation of the user community into disjoint user communities according to the operating system, and instead allow synergies between users on different operating systems.

Another goal of Gnulib is to provide application code that can be shared between several applications. Some people wonder: "What? glibc doesn’t have a function to copy a file?" Indeed, the scope of a system’s libc is to implement the relevant standards (ISO C, POSIX) and to provide access functions to the kernel’s system calls, and little more.

There is no clear borderline between both areas.

For example, Gnulib has a facility for generating the name of backup files. While this task is entirely at the application level—no standard specifies an API for it—the naïve code has some portability problems because on some platforms the length of file name components is limited to 30 characters or so. Gnulib handles that.

Similarly, Gnulib has a facility for executing a command in a subprocess. It is at the same time a portability enhancement (it works on GNU, Unix, and Windows, compared to the classical fork/exec idiom which is not portable to Windows), as well as an application aid: it takes care of redirecting stdin and/or stdout if desired, and emits an error message if the subprocess failed.

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2.4 Target Platforms

Gnulib supports a number of platforms that we call the “reasonable portability targets”. This class consists of widespread operating systems, for three years after their last availability, or—for proprietary operating systems—as long as the vendor provides commercial support for it. Already existing Gnulib code for older operating systems is usually left in place for longer than these three years. So it comes that programs that use Gnulib run pretty well also on these older operating systems.

Some operating systems are not very widespread, but are Free Software and are actively developed. Such platforms are also supported by Gnulib, if that OS’s developers community keeps in touch with the Gnulib developers, by providing bug reports, analyses, or patches. For such platforms, Gnulib supports only the versions of the last year or the last few months, depending on the maturity of said OS project, the number of its users, and how often these users upgrade.

Niche operating systems are generally unsupported by Gnulib, unless some of their developers or users contribute support to Gnulib.

The degree of support Gnulib guarantees for a platform depends on the amount of testing it gets from volunteers. Platforms on which Gnulib is frequently tested are the best supported. Then come platforms with occasional testing, then platforms which are rarely tested. Usually, we fix bugs when they are reported. Except that some rarely tested platforms are also low priority; bug fixes for these platforms can take longer.

As of 2011, the list of supported platforms is the following:

Gnulib supports these operating systems only in an unvirtualized environment. When you run an OS inside a virtual machine, you have to be aware that the virtual machine can bring in bugs of its own. For example, floating-point operations on Solaris can behave slightly differently in QEMU than on real hardware. And Haiku’s bash program misbehaves in VirtualBox 3, whereas it behaves fine in VirtualBox 4.

Similarly, running native Windows binaries on GNU/Linux under WINE is rarely tested and low priority: WINE has a set of behaviours and bugs that is slightly different from native Windows.

The following platforms are not supported by Gnulib. The cost of supporting them would exceed the benefit because they are rarely used, or poorly documented, or have been supplanted by other platforms, or diverge too much from POSIX, or some combination of these and other factors. Please don’t bother sending us patches for them.

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2.5 Modules

Gnulib is divided into modules. Every module implements a single facility. Modules can depend on other modules.

A module consists of a number of files and a module description. The files are copied by gnulib-tool into the package that will use it, usually verbatim, without changes. Source code files (.h, .c files) reside in the lib/ subdirectory. Autoconf macro files reside in the m4/ subdirectory. Build scripts reside in the build-aux/ subdirectory.

The module description contains the list of files; gnulib-tool copies these files. It contains the module’s dependencies; gnulib-tool installs them as well. It also contains the autoconf macro invocation (usually a single line or nothing at all); gnulib-tool ensures this is invoked from the package’s configure.ac file. And also a Makefile.am snippet; gnulib-tool collects these into a Makefile.am for the tailored Gnulib part. The module description and include file specification are for documentation purposes; they are combined into MODULES.html.

The module system serves two purposes:

  1. It ensures consistency of the used autoconf macros and Makefile.am rules with the source code. For example, source code which uses the getopt_long function—this is a common way to implement parsing of command line options in a way that complies with the GNU standards—needs the source code (lib/getopt.c and others), the autoconf macro which detects whether the system’s libc already has this function (in m4/getopt.m4), and a few Makefile.am lines that create the substitute getopt.h if not. These three pieces belong together. They cannot be used without each other. The module description and gnulib-tool ensure that they are copied altogether into the destination package.
  2. It allows for scalability. It is well-known since the inception of the MODULA-2 language around 1978 that dissection into modules with dependencies allows for building large sets of code in a maintainable way. The maintainability comes from the facts that:

    In other words, the module is the elementary unit of code in Gnulib, comparable to a class in object-oriented languages like Java or C#.

The module system is the basis of gnulib-tool. When gnulib-tool copies a part of Gnulib into a package, it first compiles a module list, starting with the requested modules and adding all the dependencies, and then collects the files, configure.ac snippets and Makefile.am snippets.

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2.6 Various Kinds of Modules

There are modules of various kinds in Gnulib. For a complete list of the modules, see in MODULES.html.

2.6.1 Support for ISO C or POSIX functions.

When a function is not implemented by a system, the Gnulib module provides an implementation under the same name. Examples are the ‘snprintf’ and ‘readlink’ modules.

Similarly, when a function is not correctly implemented by a system, Gnulib provides a replacement. For functions, we use the pattern 

#if !HAVE_WORKING_FOO
# define foo rpl_foo
#endif

and implement the foo function under the name rpl_foo. This renaming is needed to avoid conflicts at compile time (in case the system header files declare foo) and at link/run time (because the code making use of foo could end up residing in a shared library, and the executable program using this library could be defining foo itself).

For header files, such as stdbool.h or stdint.h, we provide the substitute only if the system doesn’t provide a correct one. The template of this replacement is distributed in a slightly different name, with ‘.in’ inserted before the ‘.h’ extension, so that on systems which do provide a correct header file the system’s one is used.

2.6.2 Enhancements of ISO C or POSIX functions

These are sometimes POSIX functions with GNU extensions also found in glibc—examples: ‘getopt’, ‘fnmatch’—and often new APIs—for example, for all functions that allocate memory in one way or the other, we have variants which also include the error checking against the out-of-memory condition.

2.6.3 Portable general use facilities

Examples are a module for copying a file—the portability problems relate to the copying of the file’s modification time, access rights, and extended attributes—or a module for extracting the tail component of a file name—here the portability to native Windows requires a different API than the classical POSIX basename function.

2.6.4 Reusable application code

Examples are an error reporting function, a module that allows output of numbers with K/M/G suffixes, or cryptographic facilities.

2.6.5 Object oriented classes

Examples are data structures like ‘list’, or abstract output stream classes that work around the fact that an application cannot implement an stdio FILE with its logic. Here, while staying in C, we use implementation techniques like tables of function pointers, known from the C++ language or from the Linux kernel.

2.6.6 Interfaces to external libraries

Examples are the ‘iconv’ module, which interfaces to the iconv facility, regardless whether it is contained in libc or in an external libiconv. Or the ‘readline’ module, which interfaces to the GNU readline library.

2.6.7 Build / maintenance infrastructure

An example is the ‘maintainer-makefile’ module, which provides extra Makefile tags for maintaining a package.

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2.7 Collaborative Development

Gnulib is maintained collaboratively. The mailing list is <bug-gnulib at gnu dot org>. Be warned that some people on the list may be very active at some times and unresponsive at other times.

Every module has one or more maintainers. While issues are discussed collaboratively on the list, the maintainer of a module nevertheless has a veto right regarding changes in his module.

All patches should be posted the list, regardless whether they are proposed patches or whether they are committed immediately by the maintainer of the particular module. The purpose is not only to inform the other users of the module, but mainly to allow peer review. It is not uncommon that several people contribute comments or spot bugs after a patch was proposed.

Conversely, if you are using Gnulib, and a patch is posted that affects one of the modules that your package uses, you have an interest in proofreading the patch.

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2.8 Copyright

Most modules are under the GPL. Some, mostly modules which can reasonably be used in libraries, are under LGPL. The source files always say "GPL", but the real license specification is in the module description file. If the module description file says "GPL", it means "GPLv3+" (GPLv3 or newer, at the licensee’s choice); if it says "LGPL", it means "LGPLv3+" (LGPLv3 or newer, at the licensee’s choice).

More precisely, the license specification in the module description file applies to the files in lib/ and build-aux/. Different licenses apply to files in special directories:

modules/

Module description files are under this copyright:

Copyright © 20XX–20YY Free Software Foundation, Inc.
Copying and distribution of this file, with or without modification, in any medium, are permitted without royalty provided the copyright notice and this notice are preserved.

m4/

Autoconf macro files are under this copyright:

Copyright © 20XX–20YY Free Software Foundation, Inc.
This file is free software; the Free Software Foundation gives unlimited permission to copy and/or distribute it, with or without modifications, as long as this notice is preserved.

tests/

If a license statement is not present in a test module, the test files are under GPL. Even if the corresponding source module is under LGPL, this is not a problem, since compiled tests are not installed by “make install”.

doc/

Documentation files are under this copyright:

Copyright © 2004–20YY Free Software Foundation, Inc.
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled “GNU Free Documentation License”.

If you want to use some Gnulib modules under LGPL, you can do so by passing the option ‘--lgpl’ to gnulib-tool. This will replace the GPL header with an LGPL header while copying the source files to your package. Similarly, if you want some Gnulib modules under LGPLv2+ (Lesser GPL version 2.1 or newer), you can do so by passing the option ‘--lgpl=2’ to gnulib-tool.

Keep in mind that when you submit patches to files in Gnulib, you should license them under a compatible license. This means that sometimes the contribution will have to be LGPL, if the original file is available under LGPL. You can find out about it by looking for a "License: LGPL" information in the corresponding module description.

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2.9 Steady Development

Gnulib modules are continually adapted, to match new practices, to be consistent with newly added modules, or simply as a response to build failure reports. Gnulib is available in two qualities:

If you are willing to report an occasional regression, we recommend to use the newest version always, except in periods of major changes. Most Gnulib users do this. If you prefer stable releases, please use the newest stable release.

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2.10 Openness

Gnulib is open in the sense that we gladly accept contributions if they are generally useful, well engineered, and if the contributors have signed the obligatory papers with the FSF.

The module system is open in the sense that a package using Gnulib can

  1. locally patch or override files in Gnulib,
  2. locally add modules that are treated like Gnulib modules by gnulib-tool.

This is achieved by the ‘--local-dir’ option of gnulib-tool (see Extending Gnulib).

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3 Invoking gnulib-tool

The gnulib-tool command is the recommended way to import Gnulib modules. It is possible to borrow Gnulib modules in a package without using gnulib-tool, relying only on the meta-information stored in the modules/* files, but with a growing number of modules this becomes tedious. gnulib-tool simplifies the management of source files, Makefile.ams and configure.ac in packages incorporating Gnulib modules.

gnulib-tool is not installed in a standard directory that is contained in the PATH variable. It needs to be run directly in the directory that contains the Gnulib source code. You can do this either by specifying the absolute filename of gnulib-tool, or you can also use a symbolic link from a place inside your PATH to the gnulib-tool file of your preferred and most up-to-date Gnulib checkout, like this: 

$ ln -s $HOME/gnu/src/gnulib.git/gnulib-tool $HOME/bin/gnulib-tool

Run ‘gnulib-tool --help’ for information. To get familiar with gnulib-tool without affecting your sources, you can also try some commands with the option ‘--dry-run’; then gnulib-tool will only report which actions it would perform in a real run without changing anything.

• Which modules?:  Determining the needed set of Gnulib modules
• Initial import:  First import of Gnulib modules.
• Modified imports:  Changing the import specification.
• Simple update:  Tracking Gnulib development.
• Source changes:  Impact of Gnulib on your source files.
• gettextize and autopoint:  Caveat: gettextize and autopoint users!
• Localization:  Handling Gnulib’s own message translations.
• VCS Issues:  Integration with Version Control Systems.
• Unit tests:  Bundling the unit tests of the Gnulib modules.
• Conditional dependencies:  Avoiding unnecessary checks and compilations.

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3.1 Finding modules

There are three ways of finding the names of Gnulib modules that you can use in your package:

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3.2 Initial import

Gnulib assumes that your project uses Autoconf. When using Gnulib, you will need to have Autoconf and Automake among your build tools. Note that while the use of Automake in your project’s top level directory is an easy way to fulfil the Makefile conventions of the GNU coding standards, Gnulib does not require it. But when you use Gnulib, Automake will be used at least in a subdirectory of your project.

Invoking ‘gnulib-tool --import’ will copy source files, create a Makefile.am to build them, generate a file gnulib-comp.m4 with Autoconf M4 macro declarations used by configure.ac, and generate a file gnulib-cache.m4 containing the cached specification of how Gnulib is used.

Our example will be a library that uses Autoconf, Automake and Libtool. It calls strdup, and you wish to use gnulib to make the package portable to C89 and C99 (which don’t have strdup). 

~/src/libfoo$ gnulib-tool --import strdup
Module list with included dependencies:
  absolute-header
  extensions
  strdup
  string
File list:
  lib/dummy.c
  lib/strdup.c
  lib/string.in.h
  m4/absolute-header.m4
  m4/extensions.m4
  m4/gnulib-common.m4
  m4/strdup.m4
  m4/string_h.m4
Creating directory ./lib
Creating directory ./m4
Copying file lib/dummy.c
Copying file lib/strdup.c
Copying file lib/string.in.h
Copying file m4/absolute-header.m4
Copying file m4/extensions.m4
Copying file m4/gnulib-common.m4
Copying file m4/gnulib-tool.m4
Copying file m4/strdup.m4
Copying file m4/string_h.m4
Creating lib/Makefile.am
Creating m4/gnulib-cache.m4
Creating m4/gnulib-comp.m4
Finished.

You may need to add #include directives for the following .h files.
  #include <string.h>

Don't forget to
  - add "lib/Makefile" to AC_CONFIG_FILES in ./configure.ac,
  - mention "lib" in SUBDIRS in Makefile.am,
  - mention "-I m4" in ACLOCAL_AMFLAGS in Makefile.am,
  - invoke gl_EARLY in ./configure.ac, right after AC_PROG_CC,
  - invoke gl_INIT in ./configure.ac.
~/src/libfoo$

By default, the source code is copied into lib/ and the M4 macros in m4/. You can override these paths by using --source-base=DIRECTORY and --m4-base=DIRECTORY. Some modules also provide other files necessary for building. These files are copied into the directory specified by ‘AC_CONFIG_AUX_DIR’ in configure.ac or by the --aux-dir=DIRECTORY option. If neither is specified, the current directory is assumed.

gnulib-tool can make symbolic links instead of copying the source files. The option to specify for this is ‘--symlink’, or ‘-s’ for short. This can be useful to save a few kilobytes of disk space. But it is likely to introduce bugs when gnulib is updated; it is more reliable to use ‘gnulib-tool --update’ (see below) to update to newer versions of gnulib. Furthermore it requires extra effort to create self-contained tarballs, and it may disturb some mechanism the maintainer applies to the sources. For these reasons, this option is generally discouraged.

gnulib-tool will overwrite any pre-existing files, in particular Makefile.am. It is also possible to separate the generated Makefile.am content (for building the gnulib library) into a separate file, say gnulib.mk, that can be included by your handwritten Makefile.am, but this is a more advanced use of gnulib-tool.

Consequently, it is a good idea to choose directories that are not already used by your projects, to separate gnulib imported files from your own files. This approach is also useful if you want to avoid conflicts between other tools (e.g., gettextize that also copy M4 files into your package. Simon Josefsson successfully uses a source base of gl/, and a M4 base of gl/m4/, in several packages.

After the ‘--import’ option on the command line comes the list of Gnulib modules that you want to incorporate in your package. The names of the modules coincide with the filenames in Gnulib’s modules/ directory.

Some Gnulib modules depend on other Gnulib modules. gnulib-tool will automatically add the needed modules as well; you need not list them explicitly. gnulib-tool will also memorize which dependent modules it has added, so that when someday a dependency is dropped, the implicitly added module is dropped as well (unless you have explicitly requested that module).

If you want to cut a dependency, i.e., not add a module although one of your requested modules depends on it, you may use the option ‘--avoid=module’ to do so. Multiple uses of this option are possible. Of course, you will then need to implement the same interface as the removed module.

A few manual steps are required to finish the initial import. gnulib-tool printed a summary of these steps.

First, you must ensure Autoconf can find the macro definitions in gnulib-comp.m4. Use the ACLOCAL_AMFLAGS specifier in your top-level Makefile.am file, as in: 

ACLOCAL_AMFLAGS = -I m4

You are now ready to call the M4 macros in gnulib-comp.m4 from configure.ac. The macro gl_EARLY must be called as soon as possible after verifying that the C compiler is working. Typically, this is immediately after AC_PROG_CC, as in: 

...
AC_PROG_CC
gl_EARLY
...

If you are using AC_PROG_CC_STDC, the macro gl_EARLY must be called after it, like this: 

...
AC_PROG_CC
AC_PROG_CC_STDC
gl_EARLY
...

The core part of the gnulib checks are done by the macro gl_INIT. Place it further down in the file, typically where you normally check for header files or functions. It must come after other checks which may affect the compiler invocation, such as AC_MINIX. For example: 

...
# For gnulib.
gl_INIT
...

gl_INIT will in turn call the macros related with the gnulib functions, be it specific gnulib macros, like gl_FUNC_ALLOCA or autoconf or automake macros like AC_FUNC_ALLOCA or AM_FUNC_GETLINE. So there is no need to call those macros yourself when you use the corresponding gnulib modules.

You must also make sure that the gnulib library is built. Add the Makefile in the gnulib source base directory to AC_CONFIG_FILES, as in: 

AC_CONFIG_FILES(... lib/Makefile ...)

You must also make sure that make will recurse into the gnulib directory. To achieve this, add the gnulib source base directory to a SUBDIRS Makefile.am statement, as in: 

SUBDIRS = lib

or if you, more likely, already have a few entries in SUBDIRS, you can add something like: 

SUBDIRS += lib

Finally, you have to add compiler and linker flags in the appropriate source directories, so that you can make use of the gnulib library. Since some modules (‘getopt’, for example) may copy files into the build directory, top_builddir/lib is needed as well as top_srcdir/lib. For example: 

...
AM_CPPFLAGS = -I$(top_builddir)/lib -I$(top_srcdir)/lib
...
LDADD = lib/libgnu.a
...

Don’t forget to #include the various header files. In this example, you would need to make sure that ‘#include <string.h>’ is evaluated when compiling all source code files, that want to make use of strdup.

In the usual case where Autoconf is creating a config.h file, you should include config.h first, before any other include file. That way, for example, if config.h defines ‘restrict’ to be the empty string on a pre-C99 host, or a macro like ‘_FILE_OFFSET_BITS’ that affects the layout of data structures, the definition is consistent for all include files. Also, on some platforms macros like ‘_FILE_OFFSET_BITS’ and ‘_GNU_SOURCE’ may be ineffective, or may have only a limited effect, if defined after the first system header file is included.

Finally, note that you cannot use AC_LIBOBJ or AC_REPLACE_FUNCS in your configure.ac and expect the resulting object files to be automatically added to lib/libgnu.a. This is because your AC_LIBOBJ and AC_REPLACE_FUNCS invocations from configure.ac augment a variable @LIBOBJS@ (and/or @LTLIBOBJS@ if using Libtool), whereas lib/libgnu.a is built from the contents of a different variable, usually @gl_LIBOBJS@ (or @gl_LTLIBOBJS@ if using Libtool).

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3.3 Modified imports

You can at any moment decide to use Gnulib differently than the last time.

There are two ways to change how Gnulib is used. Which one you’ll use, depends on where you keep track of options and module names that you pass to gnulib-tool.

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3.4 Simple update

When you want to update to a more recent version of Gnulib, without changing the list of modules or other parameters, a simple call does it: 

$ gnulib-tool --add-import

This will create, update or remove files, as needed.

Note: From time to time, changes are made in Gnulib that are not backward compatible. When updating to a more recent Gnulib, you should consult Gnulib’s NEWS file to check whether the incompatible changes affect your project.

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3.5 Changing your sources for use with Gnulib

Gnulib contains some header file overrides. This means that when building on systems with deficient header files in /usr/include/, it may create files named string.h, stdlib.h, stdint.h or similar in the build directory. In the other source directories of your package you will usually pass ‘-I’ options to the compiler, so that these Gnulib substitutes are visible and take precedence over the files in /usr/include/.

These Gnulib substitute header files rely on <config.h> being already included. Furthermore <config.h> must be the first include in every compilation unit. This means that to all your source files and likely also to all your tests source files you need to add an ‘#include <config.h>’ at the top. Which source files are affected? Exactly those whose compilation includes a ‘-I’ option that refers to the Gnulib library directory.

This is annoying, but inevitable: On many systems, <config.h> is used to set system dependent flags (such as _GNU_SOURCE on GNU systems), and these flags have no effect after any system header file has been included.

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3.6 Caveat: gettextize and autopoint users

The programs gettextize and autopoint, part of GNU gettext, import or update the internationalization infrastructure. Some of this infrastructure, namely ca. 20 autoconf macro files and the config.rpath file, is also contained in Gnulib and may be imported by gnulib-tool. The use of gettextize or autopoint will therefore overwrite some of the files that gnulib-tool has imported, and vice versa.

Avoiding to use gettextize (manually, as package maintainer) or autopoint (as part of a script like autoreconf or autogen.sh) is not the solution: These programs also import the infrastructure in the po/ and optionally in the intl/ directory.

The copies of the conflicting files in Gnulib are more up-to-date than the copies brought in by gettextize and autopoint. When a new gettext release is made, the copies of the files in Gnulib will be updated immediately.

The choice of which version of gettext to require depends on the needs of your package. For a package that wants to comply to GNU Coding Standards, the steps are:

  1. When you run gettextize, always use the gettextize from the matching GNU gettext release. For the most recent Gnulib checkout, this is the newest release found on http://ftp.gnu.org/gnu/gettext/. For an older Gnulib snapshot, it is the release that was the most recent release at the time the Gnulib snapshot was taken.
  2. After running gettextize, invoke gnulib-tool and import the gettext module. Also, copy the latest version of gnulib’s build-aux/po/Makefile.in.in to your po/ directory (this is done for you if you use gnulib’s bootstrap script).
  3. If you get an error message like *** error: gettext infrastructure mismatch: using a Makefile.in.in from gettext version ... but the autoconf macros are from gettext version ..., it means that a new GNU gettext release was made, and its autoconf macros were integrated into Gnulib and now mismatch the po/ infrastructure. In this case, fetch and install the new GNU gettext release and run gettextize followed by gnulib-tool.

On the other hand, if your package is not as concerned with compliance to the latest standards, but instead favors development on stable environments, the steps are:

  1. Determine the oldest version of gettext that you intend to support during development (at this time, gnulib recommends going no older than version 0.17). Run autopoint (not gettextize) to copy infrastructure into place (newer versions of gettext will install the older infrastructure that you requested).
  2. Invoke gnulib-tool, and import the gettext-h module.

Regardless of which approach you used to get the infrastructure in place, the following steps must then be used to preserve that infrastructure (gnulib’s bootstrap script follows these rules):

  1. When a script of yours run autopoint, invoke gnulib-tool afterwards.
  2. When you invoke autoreconf after gnulib-tool, make sure to not invoke autopoint a second time, by setting the AUTOPOINT environment variable, like this: 
    $ env AUTOPOINT=true autoreconf --install

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3.7 Handling Gnulib’s own message translations

Gnulib provides some functions that emit translatable messages using GNU gettext. The ‘gnulib’ domain at the Translation Project collects translations of these messages, which you should incorporate into your own programs.

There are two basic ways to achieve this. The first, and older, method is to list all the source files you use from Gnulib in your own po/POTFILES.in file. This will cause all the relevant translatable strings to be included in your POT file. When you send this POT file to the Translation Project, translators will normally fill in the translations of the Gnulib strings from their “translation memory”, and send you back updated PO files.

However, this process is error-prone: you might forget to list some source files, or the translator might not be using a translation memory and provide a different translation than another translator, or the translation might not be kept in sync between Gnulib and your package. It is also slow and causes substantial extra work, because a human translator must be in the loop for each language and you will need to incorporate their work on request.

For these reasons, a new method was designed and is now recommended. If you pass the --po-base=directory and --po-domain=domain options to gnulib-tool, then gnulib-tool will create a separate directory with its own POTFILES.in, and fetch current translations directly from the Translation Project (using rsync or wget, whichever is available). The POT file in this directory will be called domain-gnulib.pot, depending on the domain you gave to the --po-domain option (typically the same as the package name). This causes these translations to reside in a separate message domain, so that they do not clash either with the translations for the main part of your package nor with those of other packages on the system that use possibly different versions of Gnulib. When you use these options, the functions in Gnulib are built in such a way that they will always use this domain regardless of the default domain set by textdomain.

In order to use this method, you must—in each program that might use Gnulib code—add an extra line to the part of the program that initializes locale-dependent behavior. Where you would normally write something like: 

  setlocale (LC_ALL, "");
  bindtextdomain (PACKAGE, LOCALEDIR);
  textdomain (PACKAGE);

you should add an additional bindtextdomain call to inform gettext of where the MO files for the extra message domain may be found: 

  bindtextdomain (PACKAGE "-gnulib", LOCALEDIR);

(This example assumes that the domain that you specified to gnulib-tool is the same as the value of the PACKAGE preprocessor macro.)

Since you do not change the textdomain call, the default message domain for your program remains the same and your own use of gettext functions will not be affected.

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3.8 Issues with Version Control Systems

If a project stores its source files in a version control system (VCS), such as CVS, Subversion, or Git, one needs to decide which files to commit.

In principle, all files created by gnulib-tool, except gnulib-cache.m4, can be treated like generated source files, like for example a parser.c file generated from parser.y. Alternatively, they can be considered source files and updated manually.

Here are the three different approaches in common use. Each has its place, and you should use whichever best suits your particular project and development methods.

  1. In projects which commit all source files, whether generated or not, into their VCS, the gnulib-tool generated files should all be committed. In this case, you should pass the option ‘--no-vc-files’ to gnulib-tool, which avoids alteration of VCS-related files such as .gitignore.

    Gnulib also contains files generated by make (and removed by make clean), using information determined by configure. For a Gnulib source file of the form lib/foo.in.h, the corresponding lib/foo.h is such a make-generated file. These should not be checked into the VCS, but instead added to .gitignore or equivalent.

  2. In projects which customarily omit from their VCS all files that are generated from other source files, none of these files and directories are added into the VCS. As described in Modified imports, there are two ways to keep track of options and module names that are passed to gnulib-tool. The command for restoring the omitted files depends on it:

    Gnulib includes the file build-aux/bootstrap to aid a developer in using this setup. Furthermore, in projects that use git for version control, it is possible to use a git submodule containing the precise commit of the gnulib repository, so that each developer running bootstrap will get the same version of all gnulib-provided files. The location of the submodule can be chosen to fit the package’s needs; here’s how to initially create the submodule in the directory .gnulib: 

    $ dir=.gnulib
$ git submodule add -- git://git.sv.gnu.org/gnulib.git $dir
$ git config alias.syncsub "submodule foreach git pull origin master"

    Thereafter, bootstrap can run this command to update the submodule to the recorded checkout level: 

    git submodule update --init $dir

    and a developer can use this sequence to update to a newer version of gnulib: 

    $ git syncsub
$ git add $dir
$ ./bootstrap
  3. Some projects take a “middle road”: they do commit Gnulib source files as in the first approach, but they do not commit other derived files, such as a Makefile.in generated by Automake. This increases the size and complexity of the repository, but can help occasional contributors by not requiring them to have a full Gnulib checkout to do a build, and all developers by ensuring that all developers are working with the same version of Gnulib in the repository. It also supports multiple Gnulib instances within a project. It remains important not to commit the make-generated files, as described above.

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3.9 Bundling the unit tests of the Gnulib modules

You can bundle the unit tests of the Gnulib modules together with your package, through the ‘--with-tests’ option. Together with ‘--with-tests’, you also specify the directory for these tests through the ‘--tests-base’ option. Of course, you need to add this directory to the SUBDIRS variable in the Makefile.am of the parent directory.

The advantage of having the unit tests bundled is that when your program has a problem on a particular platform, running the unit tests may help determine quickly if the problem is on Gnulib’s side or on your package’s side. Also, it helps verifying Gnulib’s portability, of course.

The unit tests will be compiled and run when the user runs ‘make check’. When the user runs only ‘make’, the unit tests will not be compiled.

In the SUBDIRS variable, it is useful to put the Gnulib tests directory after the directory containing the other tests, not before: 

SUBDIRS = gnulib-lib src man tests gnulib-tests

This will ensure that on platforms where there are test failures in either directory, users will see and report the failures from the tests of your program.

Note: In packages which use more than one invocation of gnulib-tool in the scope of the same configure.ac, you cannot use ‘--with-tests’. You will have to use a separate configure.ac in this case.

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3.10 Avoiding unnecessary checks and compilations

In some cases, a module is needed by another module only on specific platforms. But when a module is present, its autoconf checks are always executed, and its Makefile.am additions are always enabled. So it can happen that some autoconf checks are executed and some source files are compiled, although no other module needs them on this particular platform, just in case some other module would need them.

The option ‘--conditional-dependencies’ enables an optimization of configure checks and Makefile.am snippets that avoids this. With this option, whether a module is considered “present” is no longer decided when gnulib-tool is invoked, but later, when configure is run. This applies to modules that were added as dependencies while gnulib-tool was run; modules that were passed on the command line explicitly are always “present”.

For example, the timegm module needs, on platforms where the system’s timegm function is missing or buggy, a replacement that is based on a function mktime_internal. The module mktime-internal that provides this function provides it on all platforms. So, by default, the file mktime-internal.c will be compiled on all platforms, even on glibc and BSD systems which have a working timegm function. When the option ‘--conditional-dependencies’ is given, on the other hand, and if mktime-internal was not explicitly required on the command line, the file mktime-internal.c will only be compiled on the platforms where the timegm needs them.

Conditional dependencies are specified in the module description by putting the condition on the same line as the dependent module, enclosed in brackets. The condition is a boolean shell expression that can assume that the configure.ac snippet from the module description has already been executed. In the example above, the dependency from timegm to mktime-internal is written like this: 

Depends-on:
...
mktime-internal [test $HAVE_TIMEGM = 0 || test $REPLACE_TIMEGM = 1]
...

Note: The option ‘--conditional-dependencies’ cannot be used together with the option ‘--with-tests’. It also cannot be used when a package uses gnulib-tool for several subdirectories, with different values of ‘--source-base’, in the scope of a single configure.ac file.

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4 Writing modules

This chapter explains how to write modules of your own, either to extend Gnulib for your own package (see Extending Gnulib), or for inclusion in gnulib proper.

The guidelines in this chapter do not necessarily need to be followed for using gnulib-tool. They merely represent a set of good practices. Following them will result in a good structure of your modules and in consistency with gnulib.

• Source code files:  
• Header files:  
• Implementation files:  
• Specification:  
• Module description:  
• Autoconf macros:  
• Unit test modules:  
• Incompatible changes:  

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4.1 Source code files

Every API (C functions or variables) provided should be declared in a header file (.h file) and implemented in one or more implementation files (.c files). The separation has the effect that users of your module need to read only the contents of the .h file and the module description in order to understand what the module is about and how to use it—not the entire implementation. Furthermore, users of your module don’t need to repeat the declarations of the functions in their code, and are likely to receive notification through compiler errors if you make incompatible changes to the API (like, adding a parameter or changing the return type of a function).

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4.2 Header files

The .h file should declare the C functions and variables that the module provides.

The .h file should be stand-alone. That is, it does not require other .h files to be included before. Rather, it includes all necessary .h files by itself.

It is a tradition to use CPP tricks to avoid parsing the same header file more than once, which might cause warnings. The trick is to wrap the content of the header file (say, foo.h) in a block, as in: 

#ifndef FOO_H
# define FOO_H
...
body of header file goes here
...
#endif /* FOO_H */

Whether to use FOO_H or _FOO_H is a matter of taste and style. The C89 and C99 standards reserve all identifiers that begin with an underscore and either an uppercase letter or another underscore, for any use. Thus, in theory, an application might not safely assume that _FOO_H has not already been defined by a library. On the other hand, using FOO_H will likely lead the higher risk of collisions with other symbols (e.g., KEY_H, XK_H, BPF_H, which are CPP macro constants, or COFF_LONG_H, which is a CPP macro function). Your preference may depend on whether you consider the header file under discussion as part of the application (which has its own namespace for CPP symbols) or a supporting library (that shouldn’t interfere with the application’s CPP symbol namespace).

Adapting C header files for use in C++ applications can use another CPP trick, as in: 

# ifdef __cplusplus
extern "C"
{
# endif
...
body of header file goes here
...
# ifdef __cplusplus
}
# endif

The idea here is that __cplusplus is defined only by C++ implementations, which will wrap the header file in an ‘extern "C"’ block. Again, whether to use this trick is a matter of taste and style. While the above can be seen as harmless, it could be argued that the header file is written in C, and any C++ application using it should explicitly use the ‘extern "C"’ block itself. Your preference might depend on whether you consider the API exported by your header file as something available for C programs only, or for C and C++ programs alike.

Note that putting a #include in an extern "C" { ... } block yields a syntax error in C++ mode on some platforms (e.g., glibc systems with g++ v3.3 to v4.2, AIX, OSF/1, IRIX). For this reason, it is recommended to place the #include before the extern "C" block.

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4.3 Implementation files

The .c file or files implement the functions and variables declared in the .h file.

Include ordering

Every implementation file must start with ‘#include <config.h>’. This is necessary for activating the preprocessor macros that are defined on behalf of the Autoconf macros. Some of these preprocessor macros, such as _GNU_SOURCE, would have no effect if defined after a system header file has already been included.

Then comes the ‘#include "..."’ specifying the header file that is being implemented. Putting this right after ‘#include <config.h>’ has the effect that it verifies that the header file is self-contained.

Then come the system and application headers. It is customary to put all the system headers before all application headers, so as to minimize the risk that a preprocessor macro defined in an application header confuses the system headers on some platforms.

In summary:

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4.4 Specification

The specification of a function should answer at least the following questions:

Where to put the specification describing exported functions? Three practices are used in gnulib:

In any case, the specification should appear in just one place, unless you can ensure that the multiple copies will always remain identical.

The advantage of putting it in the header file is that the user only has to read the include file normally never needs to peek into the implementation file(s).

The advantage of putting it in the implementation file is that when reviewing or changing the implementation, you have both elements side by side.

The advantage of texinfo formatted documentation is that it is easily published in HTML or Info format.

Currently (as of 2010), half of gnulib uses the first practice, nearly half of gnulib uses the second practice, and a small minority uses the texinfo practice.

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4.5 Module description

For the module description, you can start from an existing module’s description, or from a blank one: module/TEMPLATE for a normal module, or module/TEMPLATE-TESTS for a unit test module. Some more fields are possible but rarely used. Use module/TEMPLATE-EXTENDED if you want to use one of them.

Module descriptions have the following fields. Absent fields are equivalent to fields with empty contents.

Description

This field should contain a concise description of the module’s functionality. One sentence is enough. For example, if it defines a single function ‘frob’, the description can be ‘frob() function: frobnication.’ Gnulib’s documentation generator will automatically convert the first part to a hyperlink when it has this form.

Status

This field is either empty/absent, or contains the word ‘obsolete’. In the latter case, gnulib-tool will, unless the option --with-obsolete is given, omit it when it used as a dependency. It is good practice to also notify the user about an obsolete module. This is done by putting into the ‘Notice’ section (see below) text like ‘This module is obsolete.’

Notice

This field contains text that gnulib-tool will show to the user when the module is used. This can be a status indicator like ‘This module is obsolete.’ or additional advice. Do not abuse this field.

Applicability

This field is either empty/absent, or contains the word ‘all’. It describes to which Makefile.am the module is applied. By default, a normal module is applied to source_base/Makefile.am (normally lib/Makefile.am), whereas a module ending in -tests is applied to tests_base/Makefile.am (normally tests/Makefile.am). If this field is ‘all’, it is applied to both Makefile.ams. This is useful for modules which provide Makefile.am macros rather than compiled source code.

Files

This field contains a newline separated list of the files that are part of the module. gnulib-tool copies these files into the package that uses the module.

This list is typically ordered by importance: First comes the header file, then the implementation files, then other files.

It is possible to have the same file mentioned in multiple modules. That is, if the maintainers of that module agree on the purpose and future of said file.

Depends-on

This field contains a newline separated list of the modules that are required for the proper working of this module. gnulib-tool includes each required module automatically, unless it is specified with option --avoid or it is marked as obsolete and the option --with-obsolete is not given.

A test modules foo-tests implicitly depends on the corresponding non-test module foo. foo implicitly depends on foo-tests if the latter exists and if the option --with-tests has been given.

Tests modules can depend on non-tests modules. Non-tests modules should not depend on tests modules. (Recall that tests modules are built in a separate directory.)

Each listed required module may be declared a conditional dependency. This is indicated by placing the condition for the dependency on the same line, enclosed in brackets, after the name of the required module. The condition is a shell expression that is run after the module’s configure.ac statements. For example: 

strtoull   [test $ac_cv_func_strtoumax = no]

Lines starting with # are recognized as comments and are ignored.

configure.ac-early

This field contains configure.ac stuff (Autoconf macro invocations and shell statements) that are logically placed early in the configure.ac file: right after the AC_PROG_CC invocation. This section is adequate for statements that modify CPPFLAGS, as these can affect the results of other Autoconf macros.

configure.ac

This field contains configure.ac stuff (Autoconf macro invocations and shell statements).

It is forbidden to add items to the CPPFLAGS variable here, other than temporarily, as these could affect the results of other Autoconf macros.

We avoid adding items to the LIBS variable, other than temporarily. Instead, the module can export an Autoconf-substituted variable that contains link options. The user of the module can then decide to which executables to apply which link options. Recall that a package can build executables of different kinds and purposes; having all executables link against all libraries is inappropriate.

If the statements in this section grow larger than a couple of lines, we recommend moving them to a .m4 file of their own.

Makefile.am

This field contains Makefile.am statements. Variables like lib_SOURCES are transformed to match the name of the library being built in that directory. For example, lib_SOURCES may become libgnu_a_SOURCES (for a plain library) or libgnu_la_SOURCES (for a libtool library). Therefore, the normal way of having an implementation file lib/foo.c compiled unconditionally is to write 

lib_SOURCES += foo.c
Include

This field contains the preprocessor statements that users of the module need to add to their source code files. Typically it’s a single include statement. A shorthand is allowed: You don’t need to write the word “#include”, just the name of the include file in the way it will appear in an include statement. Example: 

"foo.h"
Link

This field contains the set of libraries that are needed when linking libraries or executables that use this module. Often this will be written as a reference to a Makefile variable. Please write them one per line, so that gnulib-tool can remove duplicates when presenting a summary to the user. Example: 

$(POW_LIBM)
$(LTLIBICONV) when linking with libtool, $(LIBICONV) otherwise
License

This field specifies the license that governs the source code parts of this module. See Copyright for details.

Maintainer

This field specifies the persons who have a definitive say about proposed changes to this module. You don’t need to mention email addresses here: they can be inferred from the ChangeLog file.

Please put at least one person here. We don’t like unmaintained modules.

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4.6 Autoconf macros

For a module foo, an Autoconf macro file m4/foo.m4 is typically created when the Autoconf macro invocations for the module are longer than one or two lines.

The name of the main entry point into this Autoconf macro file is typically gl_FOO. For modules outside Gnulib that are not likely to be moved into Gnulib, please use a prefix specific to your package: gt_ for GNU gettext, cu_ for GNU coreutils, etc.

For modules that define a function foo, the entry point is called gl_FUNC_FOO instead of gl_FOO. For modules that provide a header file with multiple functions, say foo.h, the entry point is called gl_FOO_H or gl_HEADER_FOO_H. This convention is useful because sometimes a header and a function name coincide (for example, fcntl and fcntl.h).

For modules that provide a replacement, it is useful to split the Autoconf macro into two macro definitions: one that detects whether the replacement is needed and requests the replacement using AC_LIBOBJ (this is the entry point, say gl_FUNC_FOO), and one that arranges for the macros needed by the replacement code lib/foo.c (typically called gl_PREREQ_FOO). The reason of this separation is

  1. to make it easy to update the Autoconf macros when you have modified the source code file: after changing lib/foo.c, all you have to review is the Depends-on section of the module description and the gl_PREREQ_FOO macro in the Autoconf macro file.
  2. The Autoconf macros are often large enough that splitting them eases maintenance.

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4.7 Unit test modules

A unit test that is a simple C program usually has a module description as simple as this: 

Files:
tests/test-foo.c
tests/macros.h

Depends-on:

configure.ac:

Makefile.am:
TESTS += test-foo
check_PROGRAMS += test-foo

The test program tests/test-foo.c often has the following structure:

The body of the test, then, contains many ASSERT invocations. When a test fails, the ASSERT macro prints the line number of the failing statement, thus giving you, the developer, an idea of which part of the test failed, even when you don’t have access to the machine where the test failed and the reporting user cannot run a debugger.

Sometimes it is convenient to write part of the test as a shell script. (For example, in areas related to process control or interprocess communication, or when different locales should be tried.) In these cases, the typical module description is like this: 

Files:
tests/test-foo.sh
tests/test-foo.c
tests/macros.h

Depends-on:

configure.ac:

Makefile.am:
TESTS += test-foo.sh
TESTS_ENVIRONMENT += FOO_BAR='@FOO_BAR@'
check_PROGRAMS += test-foo

Here, the TESTS_ENVIRONMENT variable can be used to pass values determined by configure or by the Makefile to the shell script, as environment variables. The values of EXEEXT and of srcdir, from Autoconf and Automake, are already provided as environment variables, through an initial value of TESTS_ENVIRONMENT that gnulib-tool puts in place.

Regardless of the specific form of the unit test, the following guidelines should be respected:

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4.8 Incompatible changes

Incompatible changes to Gnulib modules should be mentioned in Gnulib’s NEWS file. Incompatible changes here mean that existing source code may not compile or work any more.

We don’t mean changes in the binary interface (ABI), since

  1. Gnulib code is used in source-code form.
  2. The user who distributes libraries that contain Gnulib code is supposed to bump the version number in the way described in the Libtool documentation before every release.

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5 Extending Gnulib

Gnulib modules are intended to be suitable for widespread use. Most problems with Gnulib can and should be fixed in a generic way, so that all of Gnulib’s users can benefit from the change. But occasionally a problem arises that is difficult or undesirable to fix generically, or a project that uses Gnulib may need to work around an issue before the Gnulib maintainers commit a final fix. Maintainers may also want to add their own pools of modules to projects as Gnulib “staging areas.”

The obvious way to make local changes to Gnulib modules is to use gnulib-tool to check out pristine modules, then to modify the results in-place. This works well enough for short-lived experiments. It is harder to keep modified versions of Gnulib modules for a long time, even though Git (or another distributed version control systems) can help out a lot with this during the development process.

Git, however, doesn’t address the distribution issue. When a package “foobar” needs a modified version of, say, stdint.in.h, it either has to put a comment into foobar/autogen.sh saying “Attention! This doesn’t work with a pristine Gnulib, you need this and that patch after checking out Gnulib,” or it has to use the ‘--avoid=stdint’ option and provide the modified stdint module in a different directory.

The --local-dir option to gnulib-tool solves this problem. It allows the package to override or augment Gnulib. This means:

In a release tarball, you can distribute the contents of this --local-dir directory that will be combinable with newer versions of Gnulib, barring incompatible changes to Gnulib.

If the ‘--local-dir=directory’ option is specified, then gnulib-tool looks in directory whenever it reads a file from the Gnulib directory. Suppose gnulib-tool is looking for file. Then:

Please make wise use of this option. It also allows you to easily hold back modifications you make to Gnulib macros in cases it may be better to share them.

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6 Miscellaneous Notes

• Out of memory handling:  
• Obsolete modules:  
• Extra tests modules:  
• A C++ namespace for gnulib:  A different way of using Gnulib in C++
• Library version handling:  
• Windows sockets:  
• Libtool and Windows:  
• License Texinfo sources:  
• Build robot for gnulib:  

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6.1 Out of memory handling

The gnulib API does not have a standard error code for the out of memory error condition. Instead of adding a non-standard error code, gnulib has chosen to adopt a different strategy. Out of memory handling happens in rare situations, but performing the out of memory error handling after almost all API function invocations pollute your source code and might make it harder to spot more serious problems. The strategy chosen improves code readability and robustness.

For most applications, aborting the application with an error message when the out of memory situation occurs is the best that can be wished for. This is how the library behaves by default (using the ‘xalloc-die’ module).

However, we realize that some applications may not want to abort execution in any situation. Gnulib supports a hook to let the application regain control and perform its own cleanups when an out of memory situation has occurred. The application can define a function (having a void prototype, i.e., no return value and no parameters) and set the library variable xalloc_die to that function. The variable should be declared as follows. 

extern void (*xalloc_die) (void);

Gnulib will invoke this function if an out of memory error occurs. Note that the function should not return. Of course, care must be taken to not allocate more memory, as that will likely also fail.

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6.2 Obsolete modules

Modules can be marked obsolete. This means that the problems they fix don’t occur any more on the platforms that are reasonable porting targets now. gnulib-tool warns when obsolete modules are mentioned on the command line, and by default ignores dependencies from modules to obsolete modules. When you pass the option --with-obsolete to gnulib-tool, dependencies to obsolete modules will be included, however, unless blocked through an --avoid option. This option is useful if your package should be portable even to very old platforms.

In order to mark a module obsolete, you need to add this to the module description: 

Status:
obsolete

Notice:
This module is obsolete.

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6.3 Extra tests modules

Test modules can be marked with some special status attributes. When a test module has such an attribute, gnulib-tool --import will not include it by default.

The supported status attributes are:

c++-test

Indicates that the test is testing C++ interoperability. Such a test is useful in a C++ or mixed C/C++ package, but is useless in a C package.

longrunning-test

Indicates that the test takes a long time to compile or execute (more than five minutes or so). Such a test is better avoided in a release that is made for the general public.

privileged-test

Indicates that the test will request special privileges, for example, ask for the superuser password. Such a test may hang when run non-interactively and is therefore better avoided in a release that is made for the general public.

unportable-test

Indicates that the test is known to fail on some systems, and that there is no workaround about it. Such a test is better avoided in a release that is made for the general public.

gnulib-tool --import --with-tests will not include tests marked with these attributes by default. When gnulib-tool is invoked with one of the options --with-c++-tests, --with-longrunning-tests, --with-privileged-tests, --with-unportable-tests, it will include tests despite the corresponding special status attribute. When gnulib-tool receives the option --with-all-tests, it will include all tests regardless of their status attributes.

gnulib-tool --create-testdir --with-tests and gnulib-tool --create-megatestdir --with-tests by default include all tests of modules specified on the command line, regardless of their status attributes. Tests of modules occurring as dependencies are not included by default if they have one of these status attributes. The options --with-c++-tests, --with-longrunning-tests, --with-privileged-tests, --with-unportable-tests are recognized here as well. Additionally, gnulib-tool also understands the options --without-c++-tests, --without-longrunning-tests, --without-privileged-tests, --without-unportable-tests.

In order to mark a module with a status attribute, you need to add it to the module description, like this: 

Status:
longrunning-test

If only a part of a test deserves a particular status attribute, you can split the module into a primary and a secondary test module, say foo-tests and foo-extra-tests. Then add a dependency from foo-tests to foo-extra-tests, and mark the foo-extra-tests with the particular status attribute.

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6.4 A C++ namespace for gnulib

The function definitions provided by Gnulib (.c code) are meant to be compiled by a C compiler. The header files (.h files), on the other hand, can be used in either C or C++.

By default, when used in a C++ compilation unit, the .h files declare the same symbols and overrides as in C mode, except that functions defined by Gnulib or by the system are declared as ‘extern "C"’.

It is also possible to indicate to Gnulib to provide many of its symbols in a dedicated C++ namespace. If you define the macro GNULIB_NAMESPACE to an identifier, many functions will be defined in the namespace specified by the identifier instead of the global namespace. For example, after you have defined 

#define GNULIB_NAMESPACE gnulib

at the beginning of a compilation unit, Gnulib’s <fcntl.h> header file will make available the open function as gnulib::open. The symbol open will still refer to the system’s open function, with its platform specific bugs and limitations.

The symbols provided in the Gnulib namespace are those for which the corresponding header file contains a _GL_CXXALIAS_RPL or _GL_CXXALIAS_SYS macro invocation.

The benefits of this namespace mode are:

The drawback of this namespace mode is that the system provided symbols in the global namespace are still present, even when they contain bugs that Gnulib fixes. For example, if you call open (...) in your code, it will invoke the possibly buggy system function, even if you have requested the module ‘open’ from gnulib-tool.

You can turn on the namespace mode in some compilation units and keep it turned off in others. This can be useful if your package consists of an application layer that does not need to invoke POSIX functions and an operating system interface layer that contains all the OS function calls. In such a situation, you will want to turn on the namespace mode for the application layer—to avoid many preprocessor macro definitions—and turn it off for the OS interface layer—to avoid the drawback of the namespace mode, mentioned above.

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6.5 Library version handling

The module ‘check-version’ can be useful when your gnulib application is a system library. You will typically wrap the call to the check_version function through a library API, your library header file may contain: 

#define STRINGPREP_VERSION "0.5.18"
...
  extern const char *stringprep_check_version (const char *req_version);

To avoid ELF symbol collisions with other libraries that use the ‘check-version’ module, add to config.h through a AC_DEFINE something like: 

AC_DEFINE(check_version, stringprep_check_version,
          [Rename check_version.])

The stringprep_check_version function will thus be implemented by the check_version module.

There are two uses of the interface. The first is a way to provide for applications to find out the version number of the library it uses. The application may contain diagnostic code such as: 

  printf ("Stringprep version: header %s library %s",
          STRINGPREP_VERSION,
          stringprep_check_version (NULL));

Separating the library and header file version can be useful when searching for version mismatch related problems.

The second uses is as a rudimentary test of proper library version, by making sure the application get a library version that is the same, or newer, than the header file used when building the application. This doesn’t catch all problems, libraries may change backwards incompatibly in later versions, but enable applications to require a certain minimum version before it may proceed.

Typical uses look like: 

       /* Check version of libgcrypt. */
       if (!gcry_check_version (GCRYPT_VERSION))
         die ("version mismatch\n");

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6.6 Windows sockets

There are several issues when building applications that should work under Windows. The most problematic part is for applications that use sockets.

Hopefully, we can add helpful notes to this section that will help you port your application to Windows using gnulib.

6.6.1 Getaddrinfo and WINVER

This was written for the getaddrinfo module, but may be applicable to other functions too.

The getaddrinfo function exists in ws2tcpip.h and -lws2_32 on Windows XP. The function declaration is present if WINVER >= 0x0501. Windows 2000 does not have getaddrinfo in its WS2_32.DLL.

Thus, if you want to assume Windows XP or later, you can add AC_DEFINE(WINVER, 0x0501) to avoid compiling the (partial) getaddrinfo implementation.

If you want to support Windows 2000, don’t do anything. The replacement function will open WS2_32.DLL during run-time to see if there is a getaddrinfo function available, and use it when available.

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6.7 Libtool and Windows

If you want it to be possible to cross-compile your program to MinGW and you use Libtool, you need to put: 

AC_LIBTOOL_WIN32_DLL

in your configure.ac. This sets the correct names for the OBJDUMP, DLLTOOL, and AS tools for the build.

If you are building a library, you will also need to pass -no-undefined to make sure Libtool produces a DLL for your library. From a Makefile.am: 

libgsasl_la_LDFLAGS += -no-undefined

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6.8 License Texinfo sources

Gnulib provides copies of the GNU GPL, GNU LGPL, and GNU FDL licenses in Texinfo form. (The master location is http://www.gnu.org/licenses/). These Texinfo documents do not have any node names and structures built into them; for your manual, you should @include them in an appropriate @node.

The conventional name for the GPL node is ‘Copying’ and for the FDL ‘GNU Free Documentation License’. The LGPL doesn’t seem to have a conventional node name.

Of course the license texts themselves should not be changed at all.

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6.9 Build robot for gnulib

To simplify testing on a wide set of platforms, gnulib is built on many platforms every day and the results are uploaded to:

http://autobuild.josefsson.org/gnulib/

If you wish to help the gnulib development effort with build logs for your favorite platform, you may perform these steps:

  1. Create gnulib directory

    On a machine with recent automake, autoconf, m4 installed and with a gnulib git checkout (typically a Linux machine), use 

    gnulib-tool --create-megatestdir --with-tests --dir=...

    Note: The created directory uses ca. 512 MB on disk.

  2. Transfer gnulib directory

    Transfer this directory to a build machine (HP-UX, Cygwin, or whatever). Often it is easier to transfer one file, and this can be achieved by running, inside the directory the following commands: 

    ./configure
make dist

    And then transferring the dummy-0.tar.gz file.

  3. Build modules

    On the build machine, run ./do-autobuild (or "nohup ./do-autobuild"). It creates a directory logs/ with a log file for each module.

  4. Submit build logs

    Submit each log file to Simon’s site, either through a 

    mail `echo gnulib__at__autobuild.josefsson.org | sed -e s/__at__/@/`

    or through netcat 

    autobuild-submit logs/*

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7 Building the ISO C and POSIX Substitutes

This section shows a radically different way to use Gnulib.

You can extract the ISO C / POSIX substitutes part of gnulib by running the command 

gnulib-tool --create-testdir --source-base=lib \
            --dir=/tmp/posixlib `posix-modules`

The command ‘posix-modules’ is found in the same directory as gnulib-tool.

The resulting directory can be built on a particular platform, independently of the program being ported. Then you can configure and build any program, by setting CPPFLAGS and LDFLAGS at configure time accordingly: set CPPFLAGS="-I.../posixlib/lib", plus any essential type definitions and flags that you find in .../posixlib/config.h, and set LDFLAGS=".../posixlib/lib/libgnu.a".

This way of using Gnulib is useful when you don’t want to modify the program’s source code, or when the program uses a mix between C and C++ sources (requiring separate builds of the posixlib for the C compiler and for the C++ compiler).

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8 ISO C and POSIX Header File Substitutes

This chapter describes which header files specified by ISO C or POSIX are substituted by Gnulib, which portability pitfalls are fixed by Gnulib, and which (known) portability problems are not worked around by Gnulib.

The notation “Gnulib module: —” means that Gnulib does not provide a module providing a substitute for the header file. When the list “Portability problems not fixed by Gnulib” is empty, such a module is not needed: No portability problems are known. Otherwise, it indicates that such a module would be useful but is not available: No one so far found this header file important enough to contribute a substitute for it. If you need this particular header file, you may write to <bug-gnulib at gnu dot org>.

• aio.h:  
• arpa/inet.h:  
• assert.h:  
• complex.h:  
• cpio.h:  
• ctype.h:  
• dirent.h:  
• dlfcn.h:  
• errno.h:  
• fcntl.h:  
• fenv.h:  
• float.h:  
• fmtmsg.h:  
• fnmatch.h:  
• ftw.h:  
• glob.h:  
• grp.h:  
• iconv.h:  
• inttypes.h:  
• iso646.h:  
• langinfo.h:  
• libgen.h:  
• limits.h:  
• locale.h:  
• math.h:  
• monetary.h:  
• mqueue.h:  
• ndbm.h:  
• net/if.h:  
• netdb.h:  
• netinet/in.h:  
• netinet/tcp.h:  
• nl_types.h:  
• poll.h:  
• pthread.h:  
• pwd.h:  
• regex.h:  
• sched.h:  
• search.h:  
• semaphore.h:  
• setjmp.h:  
• signal.h:  
• spawn.h:  
• stdalign.h:  
• stdarg.h:  
• stdbool.h:  
• stddef.h:  
• stdint.h:  
• stdio.h:  
• stdlib.h:  
• stdnoreturn.h:  
• string.h:  
• strings.h:  
• stropts.h:  
• sys/ipc.h:  
• sys/mman.h:  
• sys/msg.h:  
• sys/resource.h:  
• sys/select.h:  
• sys/sem.h:  
• sys/shm.h:  
• sys/socket.h:  
• sys/stat.h:  
• sys/statvfs.h:  
• sys/time.h:  
• sys/timeb.h:  
• sys/times.h:  
• sys/types.h:  
• sys/uio.h:  
• sys/un.h:  
• sys/utsname.h:  
• sys/wait.h:  
• syslog.h:  
• tar.h:  
• termios.h:  
• tgmath.h:  
• time.h:  
• trace.h:  
• uchar.h:  
• ucontext.h:  
• ulimit.h:  
• unistd.h:  
• utime.h:  
• utmpx.h:  
• wchar.h:  
• wctype.h:  
• wordexp.h:  

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8.1 aio.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/aio.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.2 arpa/inet.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/arpa_inet.h.html

Gnulib module: arpa_inet

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.3 assert.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/assert.h.html

Gnulib module: assert-h

See also the Gnulib module assert.

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.4 complex.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/complex.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.5 cpio.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/cpio.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.6 ctype.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/ctype.h.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.7 dirent.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/dirent.h.html

Gnulib module: dirent

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.8 dlfcn.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/dlfcn.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.9 errno.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html

Gnulib module: errno

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.10 fcntl.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html

Gnulib module: fcntl-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.11 fenv.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/fenv.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.12 float.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/float.h.html

Gnulib module: float

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.13 fmtmsg.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/fmtmsg.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.14 fnmatch.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/fnmatch.h.html

Gnulib module: fnmatch-posix or fnmatch-gnu

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.15 ftw.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/ftw.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.16 glob.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/glob.h.html

Gnulib module: glob

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.17 grp.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/grp.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.18 iconv.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/iconv.h.html

Gnulib module: iconv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.19 inttypes.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/inttypes.h.html

Gnulib module: inttypes

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.20 iso646.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/iso646.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.21 langinfo.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/langinfo.h.html

Gnulib module: langinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.22 libgen.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/libgen.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.23 limits.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/limits.h.html

Gnulib module: gethostname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

For PATH_MAX, Gnulib provides a module pathmax with a header file "pathmax.h". It defines PATH_MAX to a constant on platforms with a file name length limit.

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8.24 locale.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/locale.h.html

Gnulib module: locale

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.25 math.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html

Gnulib module: math

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.26 monetary.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/monetary.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.27 mqueue.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/mqueue.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.28 ndbm.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/ndbm.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.29 net/if.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/net_if.h.html

Gnulib module: net_if

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.30 netdb.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/netdb.h.html

Gnulib module: netdb

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.31 netinet/in.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/netinet_in.h.html

Gnulib module: netinet_in

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.32 netinet/tcp.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/netinet_tcp.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.33 nl_types.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/nl_types.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.34 poll.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/poll.h.html

Gnulib module: poll-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.35 pthread.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/pthread.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.36 pwd.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/pwd.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.37 regex.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/regex.h.html

Gnulib module: regex

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.38 sched.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sched.h.html

Gnulib module: sched

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.39 search.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/search.h.html

Gnulib module: search

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.40 semaphore.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/semaphore.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.41 setjmp.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/setjmp.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Header File Substitutes   [Contents][Index]

8.42 signal.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/signal.h.html

Gnulib module: signal-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.43 spawn.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/spawn.h.html

Gnulib module: spawn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.44 stdalign.h

POSIX specification:
Not in POSIX yet, but we expect it will be. ISO C11 (latest free draft http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf) sections 6.5.3.4, 6.7.5, 7.15. C++11 (latest free draft http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2011/n3242.pdf) section 18.10.

Gnulib module: stdalign

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.45 stdarg.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdarg.h.html

Gnulib module: stdarg

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.46 stdbool.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdbool.h.html

Gnulib module: stdbool

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.47 stddef.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stddef.h.html

Gnulib module: stddef

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.48 stdint.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdint.h.html

Gnulib module: stdint

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The stdint.h module uses #include_next. If you wish to install the generated stdint.h file under another name, typically in order to be able to use some of the types defined by stdint.h in your public header file, you could use the following Makefile.am-snippet: 

BUILT_SOURCES += idn-int.h
DISTCLEANFILES += idn-int.h
nodist_include_HEADERS += idn-int.h

idn-int.h:
	if test -n "$(STDINT_H)"; then \
		sed -e s/include_next/include/ gl/stdint.h > idn-int.h; \
	else \
		echo '#include <stdint.h>' > idn-int.h; \
	fi

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8.49 stdio.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdio.h.html

Gnulib module: stdio

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.50 stdlib.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stdlib.h.html

Gnulib module: stdlib, system-posix

Portability problems fixed by the Gnulib module stdlib:

Portability problems fixed by the Gnulib module system-posix:

Portability problems not fixed by Gnulib:

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8.51 stdnoreturn.h

POSIX specification:
Not in POSIX yet, but we expect it will be. ISO C11 (latest free draft http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf) sections 7.23.

Gnulib module: stdnoreturn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.52 string.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/string.h.html

Gnulib module: string

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.53 strings.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/strings.h.html

Gnulib module: strings

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.54 stropts.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/stropts.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.55 sys/ipc.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_ipc.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.56 sys/mman.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_mman.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.57 sys/msg.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_msg.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.58 sys/resource.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_resource.h.html

Gnulib module: sys_resource

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.59 sys/select.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_select.h.html

Gnulib module: sys_select

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.60 sys/sem.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_sem.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.61 sys/shm.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_shm.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.62 sys/socket.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_socket.h.html

Gnulib module: sys_socket

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.63 sys/stat.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_stat.h.html

Gnulib module: sys_stat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.64 sys/statvfs.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_statvfs.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.65 sys/time.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_time.h.html

Gnulib module: sys_time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.66 sys/timeb.h

POSIX specification:
http://www.opengroup.org/susv3xbd/sys/timeb.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.67 sys/times.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_times.h.html

Gnulib module: sys_times

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.68 sys/types.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_types.h.html

Gnulib module: sys_types

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

This module, together with the module largefile, also defines the type off_t to a 64-bit integer type on some platforms: mingw (except mingw64), MSVC 9.

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8.69 sys/uio.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_uio.h.html

Gnulib module: sys_uio

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.70 sys/un.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_un.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.71 sys/utsname.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_utsname.h.html

Gnulib module: sys_utsname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.72 sys/wait.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/sys_wait.h.html

Gnulib module: sys_wait

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.73 syslog.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/syslog.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.74 tar.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/tar.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.75 termios.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/termios.h.html

Gnulib module: termios

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.76 tgmath.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/tgmath.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.77 time.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/time.h.html

Gnulib module: time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.78 trace.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/trace.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.79 uchar.h

Defines the types char16_t, char32_t and declares the functions mbrtoc16, c16rtomb, mbrtoc32, c32rtomb.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.80 ucontext.h

POSIX specification:
http://www.opengroup.org/susv3xbd/ucontext.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.81 ulimit.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/ulimit.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.82 unistd.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/unistd.h.html

Gnulib module: unistd

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.83 utime.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/utime.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.84 utmpx.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/utmpx.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.85 wchar.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/wchar.h.html

Gnulib module: wchar

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.86 wctype.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/wctype.h.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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8.87 wordexp.h

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/basedefs/wordexp.h.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9 ISO C and POSIX Function Substitutes

This chapter describes which functions and function-like macros specified by ISO C or POSIX are substituted by Gnulib, which portability pitfalls are fixed by Gnulib, and which (known) portability problems are not worked around by Gnulib.

The notation “Gnulib module: —” means that Gnulib does not provide a module providing a substitute for the function. When the list “Portability problems not fixed by Gnulib” is empty, such a module is not needed: No portability problems are known. Otherwise, it indicates that such a module would be useful but is not available: No one so far found this function important enough to contribute a substitute for it. If you need this particular function, you may write to <bug-gnulib at gnu dot org>.

• FD_CLR:  
• FD_ISSET:  
• FD_SET:  
• FD_ZERO:  
• _Exit:  
• _exit:  
• _longjmp:  
• _setjmp:  
• _tolower:  
• _toupper:  
• a64l:  
• abort:  
• abs:  
• accept:  
• access:  
• acos:  
• acosf:  
• acosh:  
• acoshf:  
• acoshl:  
• acosl:  
• aio_cancel:  
• aio_error:  
• aio_fsync:  
• aio_read:  
• aio_return:  
• aio_suspend:  
• aio_write:  
• alarm:  
• aligned_alloc:  
• alphasort:  
• asctime:  
• asctime_r:  
• asin:  
• asinf:  
• asinh:  
• asinhf:  
• asinhl:  
• asinl:  
• assert:  
• atan:  
• atan2:  
• atan2f:  
• atan2l:  
• atanf:  
• atanh:  
• atanhf:  
• atanhl:  
• atanl:  
• atexit:  
• atof:  
• atoi:  
• atol:  
• atoll:  
• basename:  
• bind:  
• bsearch:  
• btowc:  
• c16rtomb:  
• c32rtomb:  
• cabs:  
• cabsf:  
• cabsl:  
• cacos:  
• cacosf:  
• cacosh:  
• cacoshf:  
• cacoshl:  
• cacosl:  
• calloc:  
• carg:  
• cargf:  
• cargl:  
• casin:  
• casinf:  
• casinh:  
• casinhf:  
• casinhl:  
• casinl:  
• catan:  
• catanf:  
• catanh:  
• catanhf:  
• catanhl:  
• catanl:  
• catclose:  
• catgets:  
• catopen:  
• cbrt:  
• cbrtf:  
• cbrtl:  
• ccos:  
• ccosf:  
• ccosh:  
• ccoshf:  
• ccoshl:  
• ccosl:  
• ceil:  
• ceilf:  
• ceill:  
• cexp:  
• cexpf:  
• cexpl:  
• cfgetispeed:  
• cfgetospeed:  
• cfsetispeed:  
• cfsetospeed:  
• chdir:  
• chmod:  
• chown:  
• cimag:  
• cimagf:  
• cimagl:  
• clearerr:  
• clock:  
• clock_getcpuclockid:  
• clock_getres:  
• clock_gettime:  
• clock_nanosleep:  
• clock_settime:  
• clog:  
• clogf:  
• clogl:  
• close:  
• closedir:  
• closelog:  
• confstr:  
• conj:  
• conjf:  
• conjl:  
• connect:  
• copysign:  
• copysignf:  
• copysignl:  
• cos:  
• cosf:  
• cosh:  
• coshf:  
• coshl:  
• cosl:  
• cpow:  
• cpowf:  
• cpowl:  
• cproj:  
• cprojf:  
• cprojl:  
• creal:  
• crealf:  
• creall:  
• creat:  
• crypt:  
• csin:  
• csinf:  
• csinh:  
• csinhf:  
• csinhl:  
• csinl:  
• csqrt:  
• csqrtf:  
• csqrtl:  
• ctan:  
• ctanf:  
• ctanh:  
• ctanhf:  
• ctanhl:  
• ctanl:  
• ctermid:  
• ctime:  
• ctime_r:  
• daylight:  
• dbm_clearerr:  
• dbm_close:  
• dbm_delete:  
• dbm_error:  
• dbm_fetch:  
• dbm_firstkey:  
• dbm_nextkey:  
• dbm_open:  
• dbm_store:  
• difftime:  
• dirfd:  
• dirname:  
• div:  
• dlclose:  
• dlerror:  
• dlopen:  
• dlsym:  
• dprintf:  
• drand48:  
• dup:  
• dup2:  
• duplocale:  
• encrypt:  
• endgrent:  
• endhostent:  
• endnetent:  
• endprotoent:  
• endpwent:  
• endservent:  
• endutxent:  
• environ:  
• erand48:  
• erf:  
• erfc:  
• erfcf:  
• erfcl:  
• erff:  
• erfl:  
• errno:  
• execl:  
• execle:  
• execlp:  
• execv:  
• execve:  
• execvp:  
• exit:  
• exp:  
• exp2:  
• exp2f:  
• exp2l:  
• expf:  
• expl:  
• expm1:  
• expm1f:  
• expm1l:  
• fabs:  
• fabsf:  
• fabsl:  
• faccessat:  
• fattach:  
• fchdir:  
• fchmod:  
• fchmodat:  
• fchown:  
• fchownat:  
• fclose:  
• fcntl:  
• fdatasync:  
• fdetach:  
• fdim:  
• fdimf:  
• fdiml:  
• fdopen:  
• fdopendir:  
• feclearexcept:  
• fegetenv:  
• fegetexceptflag:  
• fegetround:  
• feholdexcept:  
• feof:  
• feraiseexcept:  
• ferror:  
• fesetenv:  
• fesetexceptflag:  
• fesetround:  
• fetestexcept:  
• feupdateenv:  
• fexecve:  
• fflush:  
• ffs:  
• fgetc:  
• fgetpos:  
• fgets:  
• fgetwc:  
• fgetws:  
• fileno:  
• flockfile:  
• floor:  
• floorf:  
• floorl:  
• fma:  
• fmaf:  
• fmal:  
• fmax:  
• fmaxf:  
• fmaxl:  
• fmemopen:  
• fmin:  
• fminf:  
• fminl:  
• fmod:  
• fmodf:  
• fmodl:  
• fmtmsg:  
• fnmatch:  
• fopen:  
• fork:  
• fpathconf:  
• fpclassify:  
• fprintf:  
• fputc:  
• fputs:  
• fputwc:  
• fputws:  
• fread:  
• free:  
• freeaddrinfo:  
• freelocale:  
• freopen:  
• frexp:  
• frexpf:  
• frexpl:  
• fscanf:  
• fseek:  
• fseeko:  
• fsetpos:  
• fstat:  
• fstatat:  
• fstatvfs:  
• fsync:  
• ftell:  
• ftello:  
• ftok:  
• ftruncate:  
• ftrylockfile:  
• ftw:  
• funlockfile:  
• futimens:  
• fwide:  
• fwprintf:  
• fwrite:  
• fwscanf:  
• gai_strerror:  
• getaddrinfo:  
• getc:  
• getc_unlocked:  
• getchar:  
• getchar_unlocked:  
• getcwd:  
• getdate:  
• getdate_err:  
• getdelim:  
• getegid:  
• getenv:  
• geteuid:  
• getgid:  
• getgrent:  
• getgrgid:  
• getgrgid_r:  
• getgrnam:  
• getgrnam_r:  
• getgroups:  
• gethostent:  
• gethostid:  
• gethostname:  
• getitimer:  
• getline:  
• getlogin:  
• getlogin_r:  
• getmsg:  
• getnameinfo:  
• getnetbyaddr:  
• getnetbyname:  
• getnetent:  
• getopt:  
• getpeername:  
• getpgid:  
• getpgrp:  
• getpid:  
• getpmsg:  
• getppid:  
• getpriority:  
• getprotobyname:  
• getprotobynumber:  
• getprotoent:  
• getpwent:  
• getpwnam:  
• getpwnam_r:  
• getpwuid:  
• getpwuid_r:  
• getrlimit:  
• getrusage:  
• gets:  
• getservbyname:  
• getservbyport:  
• getservent:  
• getsid:  
• getsockname:  
• getsockopt:  
• getsubopt:  
• gettimeofday:  
• getuid:  
• getutxent:  
• getutxid:  
• getutxline:  
• getwc:  
• getwchar:  
• glob:  
• globfree:  
• gmtime:  
• gmtime_r:  
• grantpt:  
• hcreate:  
• hdestroy:  
• hsearch:  
• htonl:  
• htons:  
• hypot:  
• hypotf:  
• hypotl:  
• iconv:  
• iconv_close:  
• iconv_open:  
• if_freenameindex:  
• if_indextoname:  
• if_nameindex:  
• if_nametoindex:  
• ilogb:  
• ilogbf:  
• ilogbl:  
• imaxabs:  
• imaxdiv:  
• inet_addr:  
• inet_ntoa:  
• inet_ntop:  
• inet_pton:  
• initstate:  
• insque:  
• ioctl:  
• isalnum:  
• isalnum_l:  
• isalpha:  
• isalpha_l:  
• isascii:  
• isastream:  
• isatty:  
• isblank:  
• isblank_l:  
• iscntrl:  
• iscntrl_l:  
• isdigit:  
• isdigit_l:  
• isfinite:  
• isgraph:  
• isgraph_l:  
• isgreater:  
• isgreaterequal:  
• isinf:  
• isless:  
• islessequal:  
• islessgreater:  
• islower:  
• islower_l:  
• isnan:  
• isnormal:  
• isprint:  
• isprint_l:  
• ispunct:  
• ispunct_l:  
• isspace:  
• isspace_l:  
• isunordered:  
• isupper:  
• isupper_l:  
• iswalnum:  
• iswalnum_l:  
• iswalpha:  
• iswalpha_l:  
• iswblank:  
• iswblank_l:  
• iswcntrl:  
• iswcntrl_l:  
• iswctype:  
• iswctype_l:  
• iswdigit:  
• iswdigit_l:  
• iswgraph:  
• iswgraph_l:  
• iswlower:  
• iswlower_l:  
• iswprint:  
• iswprint_l:  
• iswpunct:  
• iswpunct_l:  
• iswspace:  
• iswspace_l:  
• iswupper:  
• iswupper_l:  
• iswxdigit:  
• iswxdigit_l:  
• isxdigit:  
• isxdigit_l:  
• j0:  
• j1:  
• jn:  
• jrand48:  
• kill:  
• killpg:  
• l64a:  
• labs:  
• lchown:  
• lcong48:  
• ldexp:  
• ldexpf:  
• ldexpl:  
• ldiv:  
• lfind:  
• lgamma:  
• lgammaf:  
• lgammal:  
• link:  
• linkat:  
• lio_listio:  
• listen:  
• llabs:  
• lldiv:  
• llrint:  
• llrintf:  
• llrintl:  
• llround:  
• llroundf:  
• llroundl:  
• localeconv:  
• localtime:  
• localtime_r:  
• lockf:  
• log:  
• log10:  
• log10f:  
• log10l:  
• log1p:  
• log1pf:  
• log1pl:  
• log2:  
• log2f:  
• log2l:  
• logb:  
• logbf:  
• logbl:  
• logf:  
• logl:  
• longjmp:  
• lrand48:  
• lrint:  
• lrintf:  
• lrintl:  
• lround:  
• lroundf:  
• lroundl:  
• lsearch:  
• lseek:  
• lstat:  
• malloc:  
• mblen:  
• mbrlen:  
• mbrtoc16:  
• mbrtoc32:  
• mbrtowc:  
• mbsinit:  
• mbsnrtowcs:  
• mbsrtowcs:  
• mbstowcs:  
• mbtowc:  
• memccpy:  
• memchr:  
• memcmp:  
• memcpy:  
• memmove:  
• memset:  
• mkdir:  
• mkdirat:  
• mkdtemp:  
• mkfifo:  
• mkfifoat:  
• mknod:  
• mknodat:  
• mkstemp:  
• mktime:  
• mlock:  
• mlockall:  
• mmap:  
• modf:  
• modff:  
• modfl:  
• mprotect:  
• mq_close:  
• mq_getattr:  
• mq_notify:  
• mq_open:  
• mq_receive:  
• mq_send:  
• mq_setattr:  
• mq_timedreceive:  
• mq_timedsend:  
• mq_unlink:  
• mrand48:  
• msgctl:  
• msgget:  
• msgrcv:  
• msgsnd:  
• msync:  
• munlock:  
• munlockall:  
• munmap:  
• nan:  
• nanf:  
• nanl:  
• nanosleep:  
• nearbyint:  
• nearbyintf:  
• nearbyintl:  
• newlocale:  
• nextafter:  
• nextafterf:  
• nextafterl:  
• nexttoward:  
• nexttowardf:  
• nexttowardl:  
• nftw:  
• nice:  
• nl_langinfo:  
• nl_langinfo_l:  
• nrand48:  
• ntohl:  
• ntohs:  
• open:  
• openat:  
• opendir:  
• openlog:  
• open_memstream:  
• open_wmemstream:  
• optarg:  
• opterr:  
• optind:  
• optopt:  
• pathconf:  
• pause:  
• pclose:  
• perror:  
• pipe:  
• poll:  
• popen:  
• posix_fadvise:  
• posix_fallocate:  
• posix_madvise:  
• posix_mem_offset:  
• posix_memalign:  
• posix_openpt:  
• posix_spawn:  
• posix_spawn_file_actions_addclose:  
• posix_spawn_file_actions_adddup2:  
• posix_spawn_file_actions_addopen:  
• posix_spawn_file_actions_destroy:  
• posix_spawn_file_actions_init:  
• posix_spawnattr_destroy:  
• posix_spawnattr_getflags:  
• posix_spawnattr_getpgroup:  
• posix_spawnattr_getschedparam:  
• posix_spawnattr_getschedpolicy:  
• posix_spawnattr_getsigdefault:  
• posix_spawnattr_getsigmask:  
• posix_spawnattr_init:  
• posix_spawnattr_setflags:  
• posix_spawnattr_setpgroup:  
• posix_spawnattr_setschedparam:  
• posix_spawnattr_setschedpolicy:  
• posix_spawnattr_setsigdefault:  
• posix_spawnattr_setsigmask:  
• posix_spawnp:  
• posix_trace_attr_destroy:  
• posix_trace_attr_getclockres:  
• posix_trace_attr_getcreatetime:  
• posix_trace_attr_getgenversion:  
• posix_trace_attr_getinherited:  
• posix_trace_attr_getlogfullpolicy:  
• posix_trace_attr_getlogsize:  
• posix_trace_attr_getmaxdatasize:  
• posix_trace_attr_getmaxsystemeventsize:  
• posix_trace_attr_getmaxusereventsize:  
• posix_trace_attr_getname:  
• posix_trace_attr_getstreamfullpolicy:  
• posix_trace_attr_getstreamsize:  
• posix_trace_attr_init:  
• posix_trace_attr_setinherited:  
• posix_trace_attr_setlogfullpolicy:  
• posix_trace_attr_setlogsize:  
• posix_trace_attr_setmaxdatasize:  
• posix_trace_attr_setname:  
• posix_trace_attr_setstreamfullpolicy:  
• posix_trace_attr_setstreamsize:  
• posix_trace_clear:  
• posix_trace_close:  
• posix_trace_create:  
• posix_trace_create_withlog:  
• posix_trace_event:  
• posix_trace_eventid_equal:  
• posix_trace_eventid_get_name:  
• posix_trace_eventid_open:  
• posix_trace_eventset_add:  
• posix_trace_eventset_del:  
• posix_trace_eventset_empty:  
• posix_trace_eventset_fill:  
• posix_trace_eventset_ismember:  
• posix_trace_eventtypelist_getnext_id:  
• posix_trace_eventtypelist_rewind:  
• posix_trace_flush:  
• posix_trace_get_attr:  
• posix_trace_get_filter:  
• posix_trace_get_status:  
• posix_trace_getnext_event:  
• posix_trace_open:  
• posix_trace_rewind:  
• posix_trace_set_filter:  
• posix_trace_shutdown:  
• posix_trace_start:  
• posix_trace_stop:  
• posix_trace_timedgetnext_event:  
• posix_trace_trid_eventid_open:  
• posix_trace_trygetnext_event:  
• posix_typed_mem_get_info:  
• posix_typed_mem_open:  
• pow:  
• powf:  
• powl:  
• pread:  
• printf:  
• pselect:  
• psiginfo:  
• psignal:  
• pthread_atfork:  
• pthread_attr_destroy:  
• pthread_attr_getdetachstate:  
• pthread_attr_getguardsize:  
• pthread_attr_getinheritsched:  
• pthread_attr_getschedparam:  
• pthread_attr_getschedpolicy:  
• pthread_attr_getscope:  
• pthread_attr_getstack:  
• pthread_attr_getstacksize:  
• pthread_attr_init:  
• pthread_attr_setdetachstate:  
• pthread_attr_setguardsize:  
• pthread_attr_setinheritsched:  
• pthread_attr_setschedparam:  
• pthread_attr_setschedpolicy:  
• pthread_attr_setscope:  
• pthread_attr_setstack:  
• pthread_attr_setstacksize:  
• pthread_barrier_destroy:  
• pthread_barrier_init:  
• pthread_barrier_wait:  
• pthread_barrierattr_destroy:  
• pthread_barrierattr_getpshared:  
• pthread_barrierattr_init:  
• pthread_barrierattr_setpshared:  
• pthread_cancel:  
• pthread_cleanup_pop:  
• pthread_cleanup_push:  
• pthread_cond_broadcast:  
• pthread_cond_destroy:  
• pthread_cond_init:  
• pthread_cond_signal:  
• pthread_cond_timedwait:  
• pthread_cond_wait:  
• pthread_condattr_destroy:  
• pthread_condattr_getclock:  
• pthread_condattr_getpshared:  
• pthread_condattr_init:  
• pthread_condattr_setclock:  
• pthread_condattr_setpshared:  
• pthread_create:  
• pthread_detach:  
• pthread_equal:  
• pthread_exit:  
• pthread_getconcurrency:  
• pthread_getcpuclockid:  
• pthread_getschedparam:  
• pthread_getspecific:  
• pthread_join:  
• pthread_key_create:  
• pthread_key_delete:  
• pthread_kill:  
• pthread_mutex_consistent:  
• pthread_mutex_destroy:  
• pthread_mutex_getprioceiling:  
• pthread_mutex_init:  
• pthread_mutex_lock:  
• pthread_mutex_setprioceiling:  
• pthread_mutex_timedlock:  
• pthread_mutex_trylock:  
• pthread_mutex_unlock:  
• pthread_mutexattr_destroy:  
• pthread_mutexattr_getprioceiling:  
• pthread_mutexattr_getprotocol:  
• pthread_mutexattr_getpshared:  
• pthread_mutexattr_getrobust:  
• pthread_mutexattr_gettype:  
• pthread_mutexattr_init:  
• pthread_mutexattr_setprioceiling:  
• pthread_mutexattr_setprotocol:  
• pthread_mutexattr_setpshared:  
• pthread_mutexattr_setrobust:  
• pthread_mutexattr_settype:  
• pthread_once:  
• pthread_rwlock_destroy:  
• pthread_rwlock_init:  
• pthread_rwlock_rdlock:  
• pthread_rwlock_timedrdlock:  
• pthread_rwlock_timedwrlock:  
• pthread_rwlock_tryrdlock:  
• pthread_rwlock_trywrlock:  
• pthread_rwlock_unlock:  
• pthread_rwlock_wrlock:  
• pthread_rwlockattr_destroy:  
• pthread_rwlockattr_getpshared:  
• pthread_rwlockattr_init:  
• pthread_rwlockattr_setpshared:  
• pthread_self:  
• pthread_setcancelstate:  
• pthread_setcanceltype:  
• pthread_setconcurrency:  
• pthread_setschedparam:  
• pthread_setschedprio:  
• pthread_setspecific:  
• pthread_sigmask:  
• pthread_spin_destroy:  
• pthread_spin_init:  
• pthread_spin_lock:  
• pthread_spin_trylock:  
• pthread_spin_unlock:  
• pthread_testcancel:  
• ptsname:  
• putc:  
• putc_unlocked:  
• putchar:  
• putchar_unlocked:  
• putenv:  
• putmsg:  
• putpmsg:  
• puts:  
• pututxline:  
• putwc:  
• putwchar:  
• pwrite:  
• qsort:  
• quick_exit:  
• raise:  
• rand:  
• rand_r:  
• random:  
• read:  
• readdir:  
• readdir_r:  
• readlink:  
• readlinkat:  
• readv:  
• realloc:  
• realpath:  
• recv:  
• recvfrom:  
• recvmsg:  
• regcomp:  
• regerror:  
• regexec:  
• regfree:  
• remainder:  
• remainderf:  
• remainderl:  
• remove:  
• remque:  
• remquo:  
• remquof:  
• remquol:  
• rename:  
• renameat:  
• rewind:  
• rewinddir:  
• rint:  
• rintf:  
• rintl:  
• rmdir:  
• round:  
• roundf:  
• roundl:  
• scalbln:  
• scalblnf:  
• scalblnl:  
• scalbn:  
• scalbnf:  
• scalbnl:  
• scandir:  
• scanf:  
• sched_get_priority_max:  
• sched_get_priority_min:  
• sched_getparam:  
• sched_getscheduler:  
• sched_rr_get_interval:  
• sched_setparam:  
• sched_setscheduler:  
• sched_yield:  
• seed48:  
• seekdir:  
• select:  
• sem_close:  
• sem_destroy:  
• sem_getvalue:  
• sem_init:  
• sem_open:  
• sem_post:  
• sem_timedwait:  
• sem_trywait:  
• sem_unlink:  
• sem_wait:  
• semctl:  
• semget:  
• semop:  
• send:  
• sendmsg:  
• sendto:  
• setbuf:  
• setegid:  
• setenv:  
• seteuid:  
• setgid:  
• setgrent:  
• sethostent:  
• setitimer:  
• setjmp:  
• setkey:  
• setlocale:  
• setlogmask:  
• setnetent:  
• setpgid:  
• setpgrp:  
• setpriority:  
• setprotoent:  
• setpwent:  
• setregid:  
• setreuid:  
• setrlimit:  
• setservent:  
• setsid:  
• setsockopt:  
• setstate:  
• setuid:  
• setutxent:  
• setvbuf:  
• shm_open:  
• shm_unlink:  
• shmat:  
• shmctl:  
• shmdt:  
• shmget:  
• shutdown:  
• sigaction:  
• sigaddset:  
• sigaltstack:  
• sigdelset:  
• sigemptyset:  
• sigfillset:  
• sighold:  
• sigignore:  
• siginterrupt:  
• sigismember:  
• siglongjmp:  
• signal:  
• signbit:  
• signgam:  
• sigpause:  
• sigpending:  
• sigprocmask:  
• sigqueue:  
• sigrelse:  
• sigset:  
• sigsetjmp:  
• sigsuspend:  
• sigtimedwait:  
• sigwait:  
• sigwaitinfo:  
• sin:  
• sinf:  
• sinh:  
• sinhf:  
• sinhl:  
• sinl:  
• sleep:  
• snprintf:  
• sockatmark:  
• socket:  
• socketpair:  
• sprintf:  
• sqrt:  
• sqrtf:  
• sqrtl:  
• srand:  
• srand48:  
• srandom:  
• sscanf:  
• stat:  
• statvfs:  
• stderr:  
• stdin:  
• stdout:  
• stpcpy:  
• stpncpy:  
• strcasecmp:  
• strcasecmp_l:  
• strcat:  
• strchr:  
• strcmp:  
• strcoll:  
• strcoll_l:  
• strcpy:  
• strcspn:  
• strdup:  
• strerror:  
• strerror_l:  
• strerror_r:  
• strfmon:  
• strfmon_l:  
• strftime:  
• strftime_l:  
• strlen:  
• strncasecmp:  
• strncasecmp_l:  
• strncat:  
• strncmp:  
• strncpy:  
• strndup:  
• strnlen:  
• strpbrk:  
• strptime:  
• strrchr:  
• strsignal:  
• strspn:  
• strstr:  
• strtod:  
• strtof:  
• strtoimax:  
• strtok:  
• strtok_r:  
• strtol:  
• strtold:  
• strtoll:  
• strtoul:  
• strtoull:  
• strtoumax:  
• strxfrm:  
• strxfrm_l:  
• swab:  
• swprintf:  
• swscanf:  
• symlink:  
• symlinkat:  
• sync:  
• sysconf:  
• syslog:  
• system:  
• tan:  
• tanf:  
• tanh:  
• tanhf:  
• tanhl:  
• tanl:  
• tcdrain:  
• tcflow:  
• tcflush:  
• tcgetattr:  
• tcgetpgrp:  
• tcgetsid:  
• tcsendbreak:  
• tcsetattr:  
• tcsetpgrp:  
• tdelete:  
• telldir:  
• tempnam:  
• tfind:  
• tgamma:  
• tgammaf:  
• tgammal:  
• time:  
• timer_create:  
• timer_delete:  
• timer_getoverrun:  
• timer_gettime:  
• timer_settime:  
• times:  
• timezone:  
• tmpfile:  
• tmpnam:  
• toascii:  
• tolower:  
• tolower_l:  
• toupper:  
• toupper_l:  
• towctrans:  
• towctrans_l:  
• towlower:  
• towlower_l:  
• towupper:  
• towupper_l:  
• trunc:  
• truncate:  
• truncf:  
• truncl:  
• tsearch:  
• ttyname:  
• ttyname_r:  
• twalk:  
• tzname:  
• tzset:  
• ulimit:  
• umask:  
• uname:  
• ungetc:  
• ungetwc:  
• unlink:  
• unlinkat:  
• unlockpt:  
• unsetenv:  
• uselocale:  
• utime:  
• utimensat:  
• utimes:  
• va_arg:  
• va_copy:  
• va_end:  
• va_start:  
• vdprintf:  
• vfprintf:  
• vfscanf:  
• vfwprintf:  
• vfwscanf:  
• vprintf:  
• vscanf:  
• vsnprintf:  
• vsprintf:  
• vsscanf:  
• vswprintf:  
• vswscanf:  
• vwprintf:  
• vwscanf:  
• wait:  
• waitid:  
• waitpid:  
• wcpcpy:  
• wcpncpy:  
• wcrtomb:  
• wcscasecmp:  
• wcscasecmp_l:  
• wcscat:  
• wcschr:  
• wcscmp:  
• wcscoll:  
• wcscoll_l:  
• wcscpy:  
• wcscspn:  
• wcsdup:  
• wcsftime:  
• wcslen:  
• wcsncasecmp:  
• wcsncasecmp_l:  
• wcsncat:  
• wcsncmp:  
• wcsncpy:  
• wcsnlen:  
• wcsnrtombs:  
• wcspbrk:  
• wcsrchr:  
• wcsrtombs:  
• wcsspn:  
• wcsstr:  
• wcstod:  
• wcstof:  
• wcstoimax:  
• wcstok:  
• wcstol:  
• wcstold:  
• wcstoll:  
• wcstombs:  
• wcstoul:  
• wcstoull:  
• wcstoumax:  
• wcswidth:  
• wcsxfrm:  
• wcsxfrm_l:  
• wctob:  
• wctomb:  
• wctrans:  
• wctrans_l:  
• wctype:  
• wctype_l:  
• wcwidth:  
• wmemchr:  
• wmemcmp:  
• wmemcpy:  
• wmemmove:  
• wmemset:  
• wordexp:  
• wordfree:  
• wprintf:  
• write:  
• writev:  
• wscanf:  
• y0:  
• y1:  
• yn:  

Next: , Up: Function Substitutes   [Contents][Index]

9.1 FD_CLR

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/FD_CLR.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.2 FD_ISSET

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/FD_ISSET.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.3 FD_SET

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/FD_SET.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.4 FD_ZERO

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/FD_ZERO.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.5 _Exit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_Exit.html

Gnulib module: _Exit

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.6 _exit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_exit.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.7 _longjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_longjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: A future revision of POSIX later than the 2008/2009 one may drop the functions _setjmp and _longjmp. Still, in 2008, on all systems which have _setjmp, it is the fastest way to save the registers but not the signal mask (up to 30 times faster than setjmp on some systems).

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9.8 _setjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_setjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: A future revision of POSIX later than the 2008/2009 one may drop the functions _setjmp and _longjmp. Still, in 2008, on all systems which have _setjmp, it is the fastest way to save the registers but not the signal mask (up to 30 times faster than setjmp on some systems).

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9.9 _tolower

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_tolower.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.10 _toupper

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/_toupper.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.11 a64l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/a64l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.12 abort

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/abort.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.13 abs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/abs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.14 accept

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/accept.html

Gnulib module: accept

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.15 access

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/access.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Other problems of this function:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.16 acos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acos.html

Gnulib module: acos

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.17 acosf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acosf.html

Gnulib module: acosf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.18 acosh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acosh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.19 acoshf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acoshf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.20 acoshl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acoshl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.21 acosl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/acosl.html

Gnulib module: acosl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.22 aio_cancel

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_cancel.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.23 aio_error

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_error.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.24 aio_fsync

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_fsync.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.25 aio_read

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_read.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.26 aio_return

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_return.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.27 aio_suspend

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_suspend.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.28 aio_write

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/aio_write.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.29 alarm

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/alarm.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.30 aligned_alloc

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.31 alphasort

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/alphasort.html

Gnulib module: alphasort

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.32 asctime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asctime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.33 asctime_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asctime_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.34 asin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asin.html

Gnulib module: asin

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.35 asinf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asinf.html

Gnulib module: asinf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.36 asinh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asinh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.37 asinhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asinhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.38 asinhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asinhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.39 asinl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/asinl.html

Gnulib module: asinl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.40 assert

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/assert.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib offers a module ‘assert’ that allows the installer to disable assertions through a ‘configure’ option: ‘--disable-assert’.

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9.41 atan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atan.html

Gnulib module: atan

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.42 atan2

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atan2.html

Gnulib module: atan2

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.43 atan2f

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atan2f.html

Gnulib module: atan2f

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.44 atan2l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atan2l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.45 atanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atanf.html

Gnulib module: atanf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.46 atanh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atanh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.47 atanhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atanhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.48 atanhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atanhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.49 atanl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atanl.html

Gnulib module: atanl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.50 atexit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atexit.html

Gnulib module: atexit

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.51 atof

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atof.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.52 atoi

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atoi.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.53 atol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atol.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.54 atoll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/atoll.html

Gnulib module: atoll

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.55 basename

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/basename.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.56 bind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/bind.html

Gnulib module: bind

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.57 bsearch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/bsearch.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.58 btowc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/btowc.html

Gnulib module: btowc

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.59 c16rtomb

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.60 c32rtomb

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.61 cabs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cabs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.62 cabsf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cabsf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.63 cabsl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cabsl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.64 cacos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacos.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.65 cacosf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacosf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.66 cacosh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacosh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.67 cacoshf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacoshf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.68 cacoshl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacoshl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.69 cacosl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cacosl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.70 calloc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/calloc.html

Gnulib module: calloc-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib provides a module ‘calloc-gnu’ that substitutes a calloc implementation that behaves more like the glibc implementation.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.71 carg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/carg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.72 cargf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cargf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.73 cargl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cargl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.74 casin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casin.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.75 casinf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casinf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.76 casinh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casinh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.77 casinhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casinhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.78 casinhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casinhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.79 casinl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/casinl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.80 catan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catan.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.81 catanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.82 catanh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catanh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.83 catanhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catanhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.84 catanhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catanhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.85 catanl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catanl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.86 catclose

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catclose.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.87 catgets

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catgets.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.88 catopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/catopen.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.89 cbrt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cbrt.html

Gnulib module: cbrt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.90 cbrtf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cbrtf.html

Gnulib module: cbrtf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.91 cbrtl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cbrtl.html

Gnulib module: cbrtl or cbrtl-ieee

Portability problems fixed by either Gnulib module cbrtl or cbrtl-ieee

Portability problems fixed by Gnulib module cbrtl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.92 ccos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccos.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.93 ccosf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccosf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.94 ccosh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccosh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.95 ccoshf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccoshf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.96 ccoshl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccoshl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.97 ccosl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ccosl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.98 ceil

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ceil.html

Gnulib module: ceil or ceil-ieee

Portability problems fixed by either Gnulib module ceil or ceil-ieee:

Portability problems fixed by Gnulib module ceil-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.99 ceilf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ceilf.html

Gnulib module: ceilf or ceilf-ieee

Portability problems fixed by either Gnulib module ceilf or ceilf-ieee:

Portability problems fixed by Gnulib module ceilf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.100 ceill

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ceill.html

Gnulib module: ceill or ceill-ieee

Portability problems fixed by either Gnulib module ceill or ceill-ieee:

Portability problems fixed by Gnulib module ceill-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.101 cexp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cexp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.102 cexpf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cexpf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.103 cexpl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cexpl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.104 cfgetispeed

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cfgetispeed.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.105 cfgetospeed

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cfgetospeed.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.106 cfsetispeed

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cfsetispeed.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.107 cfsetospeed

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cfsetospeed.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.108 chdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/chdir.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.109 chmod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/chmod.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.110 chown

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/chown.html

Gnulib module: chown

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.111 cimag

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cimag.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.112 cimagf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cimagf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.113 cimagl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cimagl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.114 clearerr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clearerr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.115 clock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.116 clock_getcpuclockid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock_getcpuclockid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.117 clock_getres

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock_getres.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.118 clock_gettime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock_gettime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.119 clock_nanosleep

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock_nanosleep.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.120 clock_settime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clock_settime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.121 clog

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clog.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.122 clogf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clogf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.123 clogl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/clogl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.124 close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/close.html

Gnulib module: close

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.125 closedir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/closedir.html

Gnulib module: closedir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.126 closelog

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/closelog.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.127 confstr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/confstr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.128 conj

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/conj.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.129 conjf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/conjf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.130 conjl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/conjl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.131 connect

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/connect.html

Gnulib module: connect

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.132 copysign

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/copysign.html

Gnulib module: copysign

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.133 copysignf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/copysignf.html

Gnulib module: copysignf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.134 copysignl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/copysignl.html

Gnulib module: copysignl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.135 cos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cos.html

Gnulib module: cos

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.136 cosf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cosf.html

Gnulib module: cosf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.137 cosh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cosh.html

Gnulib module: cosh

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.138 coshf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/coshf.html

Gnulib module: coshf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.139 coshl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/coshl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.140 cosl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cosl.html

Gnulib module: cosl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.141 cpow

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cpow.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.142 cpowf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cpowf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.143 cpowl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cpowl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.144 cproj

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cproj.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.145 cprojf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cprojf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.146 cprojl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/cprojl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.147 creal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/creal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.148 crealf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/crealf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.149 creall

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/creall.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.150 creat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/creat.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.151 crypt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/crypt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.152 csin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csin.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.153 csinf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csinf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.154 csinh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csinh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.155 csinhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csinhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.156 csinhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csinhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.157 csinl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csinl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.158 csqrt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csqrt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.159 csqrtf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csqrtf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.160 csqrtl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/csqrtl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.161 ctan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctan.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.162 ctanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.163 ctanh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctanh.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.164 ctanhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctanhf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.165 ctanhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctanhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.166 ctanl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctanl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.167 ctermid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctermid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.168 ctime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

A more flexible function is strftime. However, note that it is locale dependent.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.169 ctime_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ctime_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

ctime_r takes a pre-allocated buffer and length of the buffer, and returns NULL on errors. The input buffer should be at least 26 bytes in size. The output string is locale-independent. However, years can have more than 4 digits if time_t is sufficiently wide, so the length of the required output buffer is not easy to determine. Increasing the buffer size when ctime_r returns NULL is not necessarily sufficient. The NULL return value could mean some other error condition, which will not go away by increasing the buffer size.

A more flexible function is strftime. However, note that it is locale dependent.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.170 daylight

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/daylight.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.171 dbm_clearerr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_clearerr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.172 dbm_close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_close.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.173 dbm_delete

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_delete.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.174 dbm_error

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_error.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.175 dbm_fetch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_fetch.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.176 dbm_firstkey

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_firstkey.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.177 dbm_nextkey

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_nextkey.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.178 dbm_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.179 dbm_store

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dbm_store.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.180 difftime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/difftime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.181 dirfd

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dirfd.html

Gnulib module: dirfd

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

With the dirfd module, this functions always sets errno when it fails. (POSIX does not require that dirfd sets errno when it fails.)

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9.182 dirname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dirname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The Gnulib module dirname provides similar API that also works with Windows file names.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.183 div

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/div.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.184 dlclose

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dlclose.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.185 dlerror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dlerror.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.186 dlopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dlopen.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.187 dlsym

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dlsym.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.188 dprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dprintf.html

Gnulib module: dprintf or dprintf-posix

Portability problems fixed by either Gnulib module dprintf or dprintf-posix:

Portability problems fixed by Gnulib module dprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.189 drand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/drand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.190 dup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dup.html

Gnulib module: dup

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.191 dup2

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/dup2.html

Gnulib module: dup2 or dup2-obsolete

Portability problems fixed by either Gnulib module dup2 or dup2-obsolete:

Portability problems fixed by Gnulib module dup2-obsolete:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.192 duplocale

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/duplocale.html

Gnulib module: duplocale

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.193 encrypt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/encrypt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.194 endgrent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endgrent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.195 endhostent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endhostent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.196 endnetent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endnetent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.197 endprotoent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endprotoent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.198 endpwent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endpwent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.199 endservent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endservent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.200 endutxent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/endutxent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.201 environ

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/environ.html

Gnulib module: environ

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.202 erand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.203 erf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erf.html

Gnulib module: erf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.204 erfc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erfc.html

Gnulib module: erfc

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.205 erfcf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erfcf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.206 erfcl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erfcl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.207 erff

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erff.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.208 erfl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/erfl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.209 errno

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/errno.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.210 execl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.211 execle

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execle.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.212 execlp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execlp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.213 execv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.214 execve

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execve.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.215 execvp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/execvp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.216 exit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/exit.html

Gnulib module: stdlib

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.217 exp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/exp.html

Gnulib module: exp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.218 exp2

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/exp2.html

Gnulib module: exp2

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.219 exp2f

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/exp2f.html

Gnulib module: exp2f

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.220 exp2l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/exp2l.html

Gnulib module: exp2l or exp2l-ieee

Portability problems fixed by either Gnulib module exp2l or exp2l-ieee:

Portability problems fixed by Gnulib module exp2l-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.221 expf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/expf.html

Gnulib module: expf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.222 expl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/expl.html

Gnulib module: expl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.223 expm1

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/expm1.html

Gnulib module: expm1 or expm1-ieee

Portability problems fixed by either Gnulib module expm1 or expm1-ieee:

Portability problems fixed by Gnulib module expm1-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.224 expm1f

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/expm1f.html

Gnulib module: expm1f

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.225 expm1l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/expm1l.html

Gnulib module: expm1l

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.226 fabs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fabs.html

Gnulib module: fabs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.227 fabsf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fabsf.html

Gnulib module: fabsf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.228 fabsl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fabsl.html

Gnulib module: fabsl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.229 faccessat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/faccessat.html

Gnulib module: faccessat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Other problems of this function:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.230 fattach

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fattach.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.231 fchdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fchdir.html

Gnulib module: fchdir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.232 fchmod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fchmod.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.233 fchmodat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fchmodat.html

Gnulib module: fchmodat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.234 fchown

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fchown.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.235 fchownat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fchownat.html

Gnulib module: fchownat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.236 fclose

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fclose.html

Gnulib module: fclose

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.237 fcntl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fcntl.html

Gnulib module: fcntl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.238 fdatasync

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdatasync.html

Gnulib module: fdatasync

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.239 fdetach

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdetach.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.240 fdim

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdim.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.241 fdimf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdimf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.242 fdiml

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdiml.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.243 fdopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdopen.html

Gnulib module: fdopen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.244 fdopendir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fdopendir.html

Gnulib module: fdopendir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.245 feclearexcept

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/feclearexcept.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.246 fegetenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fegetenv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.247 fegetexceptflag

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fegetexceptflag.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.248 fegetround

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fegetround.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.249 feholdexcept

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/feholdexcept.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.250 feof

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/feof.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.251 feraiseexcept

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/feraiseexcept.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.252 ferror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ferror.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.253 fesetenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fesetenv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.254 fesetexceptflag

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fesetexceptflag.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.255 fesetround

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fesetround.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.256 fetestexcept

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fetestexcept.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.257 feupdateenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/feupdateenv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.258 fexecve

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fexecve.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.259 fflush

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fflush.html

Gnulib module: fflush

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.260 ffs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ffs.html

Gnulib module: ffs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.261 fgetc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fgetc.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

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9.262 fgetpos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fgetpos.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.263 fgets

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fgets.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.264 fgetwc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fgetwc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.265 fgetws

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fgetws.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.266 fileno

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fileno.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.267 flockfile

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/flockfile.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.268 floor

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/floor.html

Gnulib module: floor or floor-ieee

Portability problems fixed by either Gnulib module floor or floor-ieee:

Portability problems fixed by Gnulib module floor-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.269 floorf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/floorf.html

Gnulib module: floorf or floorf-ieee

Portability problems fixed by either Gnulib module floorf or floorf-ieee:

Portability problems fixed by Gnulib module floorf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.270 floorl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/floorl.html

Gnulib module: floorl or floorl-ieee

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.271 fma

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fma.html

Gnulib module: fma

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.272 fmaf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmaf.html

Gnulib module: fmaf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.273 fmal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmal.html

Gnulib module: fmal

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.274 fmax

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmax.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.275 fmaxf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmaxf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.276 fmaxl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmaxl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.277 fmemopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmemopen.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.278 fmin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmin.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.279 fminf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fminf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.280 fminl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fminl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.281 fmod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmod.html

Gnulib module: fmod or fmod-ieee

Portability problems fixed by either Gnulib module fmod or fmod-ieee:

Portability problems fixed by Gnulib module fmod-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.282 fmodf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmodf.html

Gnulib module: fmodf or fmodf-ieee

Portability problems fixed by either Gnulib module fmodf or fmodf-ieee:

Portability problems fixed by Gnulib module fmodf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.283 fmodl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmodl.html

Gnulib module: fmodl or fmodl-ieee

Portability problems fixed by either Gnulib module fmodl or fmodl-ieee:

Portability problems fixed by Gnulib module fmodl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.284 fmtmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fmtmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.285 fnmatch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fnmatch.html

Gnulib module: fnmatch or fnmatch-gnu

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.286 fopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fopen.html

Gnulib module: fopen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.287 fork

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fork.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.288 fpathconf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fpathconf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.289 fpclassify

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fpclassify.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.290 fprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fprintf.html

Gnulib module: fprintf-posix or stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module fprintf-posix:

Portability problems fixed by Gnulib module stdio or fprintf-posix, together with module nonblocking:

Portability problems fixed by Gnulib module stdio or fprintf-posix, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.291 fputc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fputc.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.292 fputs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fputs.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.293 fputwc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fputwc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.294 fputws

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fputws.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.295 fread

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fread.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.296 free

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/free.html

Gnulib module: free

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.297 freeaddrinfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/freeaddrinfo.html

Gnulib module: getaddrinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.298 freelocale

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/freelocale.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.299 freopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/freopen.html

Gnulib module: freopen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.300 frexp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/frexp.html

Gnulib module: frexp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.301 frexpf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/frexpf.html

Gnulib module: frexpf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.302 frexpl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/frexpl.html

Gnulib module: frexpl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.303 fscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fscanf.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.304 fseek

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fseek.html

Gnulib module: fseek

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.305 fseeko

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fseeko.html

Gnulib module: fseeko

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.306 fsetpos

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fsetpos.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.307 fstat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fstat.html

Gnulib module: fstat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.308 fstatat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fstatat.html

Gnulib module: fstatat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.309 fstatvfs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fstatvfs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.310 fsync

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fsync.html

Gnulib module: fsync

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.311 ftell

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftell.html

Gnulib module: ftell

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.312 ftello

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftello.html

Gnulib module: ftello

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.313 ftok

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftok.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.314 ftruncate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftruncate.html

Gnulib module: ftruncate

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.315 ftrylockfile

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftrylockfile.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.316 ftw

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ftw.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.317 funlockfile

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/funlockfile.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.318 futimens

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/futimens.html

Gnulib module: futimens

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.319 fwide

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fwide.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.320 fwprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fwprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.321 fwrite

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fwrite.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.322 fwscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/fwscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.323 gai_strerror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gai_strerror.html

Gnulib module: getaddrinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.324 getaddrinfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getaddrinfo.html

Gnulib module: getaddrinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.325 getc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getc.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.326 getc_unlocked

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getc_unlocked.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.327 getchar

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getchar.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.328 getchar_unlocked

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getchar_unlocked.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.329 getcwd

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getcwd.html

Gnulib module: getcwd or getcwd-lgpl

Portability problems fixed by either Gnulib module getcwd or getcwd-lgpl:

Portability problems fixed by Gnulib module getcwd:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.330 getdate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getdate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Gnulib provides a module parse-datetime that contains a function parse_datetime that has similar functionality as the getdate function.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.331 getdate_err

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getdate_err.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.332 getdelim

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getdelim.html

Gnulib module: getdelim

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.333 getegid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getegid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.334 getenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getenv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.335 geteuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/geteuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.336 getgid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.337 getgrent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgrent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.338 getgrgid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgrgid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.339 getgrgid_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgrgid_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.340 getgrnam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgrnam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.341 getgrnam_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgrnam_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.342 getgroups

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getgroups.html

Gnulib module: getgroups

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The Gnulib module mgetgroups provides a similar API.

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9.343 gethostent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gethostent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.344 gethostid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gethostid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.345 gethostname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gethostname.html

Gnulib module: gethostname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.346 getitimer

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getitimer.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.347 getline

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getline.html

Gnulib module: getline

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.348 getlogin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getlogin.html

Gnulib module: getlogin

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.349 getlogin_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getlogin_r.html

Gnulib module: getlogin_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.350 getmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.351 getnameinfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getnameinfo.html

Gnulib module: getaddrinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.352 getnetbyaddr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getnetbyaddr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.353 getnetbyname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getnetbyname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.354 getnetent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getnetent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.355 getopt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getopt.html

Gnulib module: getopt-posix or getopt-gnu

The module getopt-gnu has support for “long options” and for “options that take optional arguments”. Compared to the API defined by POSIX, it adds a header file <getopt.h> and a function getopt_long.

Portability problems fixed by either Gnulib module getopt-posix or getopt-gnu:

Portability problems fixed by Gnulib module getopt-gnu:

Portability problems not fixed by Gnulib:

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9.356 getpeername

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpeername.html

Gnulib module: getpeername

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.357 getpgid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpgid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.358 getpgrp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpgrp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.359 getpid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.360 getpmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.361 getppid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getppid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.362 getpriority

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpriority.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.363 getprotobyname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getprotobyname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.364 getprotobynumber

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getprotobynumber.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.365 getprotoent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getprotoent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.366 getpwent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpwent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.367 getpwnam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpwnam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.368 getpwnam_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpwnam_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.369 getpwuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpwuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.370 getpwuid_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getpwuid_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.371 getrlimit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getrlimit.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.372 getrusage

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getrusage.html

Gnulib module: getrusage

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.373 gets

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gets.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.374 getservbyname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getservbyname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.375 getservbyport

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getservbyport.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.376 getservent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getservent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.377 getsid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getsid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.378 getsockname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getsockname.html

Gnulib module: getsockname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.379 getsockopt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getsockopt.html

Gnulib module: getsockopt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.380 getsubopt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getsubopt.html

Gnulib module: getsubopt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.381 gettimeofday

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gettimeofday.html

Gnulib module: gettimeofday

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.382 getuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.383 getutxent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getutxent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.384 getutxid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getutxid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.385 getutxline

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getutxline.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.386 getwc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getwc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.387 getwchar

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/getwchar.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.388 glob

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/glob.html

Gnulib module: glob

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.389 globfree

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/globfree.html

Gnulib module: glob

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.390 gmtime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gmtime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.391 gmtime_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/gmtime_r.html

Gnulib module: time_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.392 grantpt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/grantpt.html

Gnulib module: grantpt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.393 hcreate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hcreate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.394 hdestroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hdestroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.395 hsearch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hsearch.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.396 htonl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/htonl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.397 htons

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/htons.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.398 hypot

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hypot.html

Gnulib module: hypot or hypot-ieee

Portability problems fixed by either Gnulib module hypot or hypot-ieee:

Portability problems fixed by Gnulib module hypot-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.399 hypotf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hypotf.html

Gnulib module: hypotf or hypotf-ieee

Portability problems fixed by either Gnulib module hypotf or hypotf-ieee:

Portability problems fixed by Gnulib module hypot-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.400 hypotl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/hypotl.html

Gnulib module: hypotl or hypotl-ieee

Portability problems fixed by either Gnulib module hypotl or hypotl-ieee:

Portability problems fixed by Gnulib module hypotl-ieee:

Portability problems not fixed by Gnulib:

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9.401 iconv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iconv.html

Gnulib module: iconv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.402 iconv_close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iconv_close.html

Gnulib module: iconv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.403 iconv_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iconv_open.html

Gnulib module: iconv, iconv_open, iconv_open-utf

Portability problems fixed by either Gnulib module iconv or iconv_open:

Portability problems fixed by Gnulib module iconv_open:

Portability problems fixed by Gnulib module iconv_open-utf:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.404 if_freenameindex

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/if_freenameindex.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.405 if_indextoname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/if_indextoname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.406 if_nameindex

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/if_nameindex.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.407 if_nametoindex

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/if_nametoindex.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.408 ilogb

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ilogb.html

Gnulib module: ilogb

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.409 ilogbf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ilogbf.html

Gnulib module: ilogbf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.410 ilogbl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ilogbl.html

Gnulib module: ilogbl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.411 imaxabs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/imaxabs.html

Gnulib module: imaxabs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.412 imaxdiv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/imaxdiv.html

Gnulib module: imaxdiv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.413 inet_addr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/inet_addr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.414 inet_ntoa

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/inet_ntoa.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: inet_ntoa is specific for IPv4 addresses. A protocol independent function is inet_ntop.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.415 inet_ntop

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/inet_ntop.html

Gnulib module: inet_ntop

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.416 inet_pton

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/inet_pton.html

Gnulib module: inet_pton

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.417 initstate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/initstate.html

Gnulib module: random

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.418 insque

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/insque.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.419 ioctl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ioctl.html

Gnulib module: ioctl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.420 isalnum

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isalnum.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isalnum

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswalnum

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isalnum

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_alnum

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-alnum’.

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9.421 isalnum_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isalnum_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.422 isalpha

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isalpha.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isalpha

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswalpha

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isalpha

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_alpha

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-alpha’.

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9.423 isalpha_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isalpha_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.424 isascii

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isascii.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but requires special handling for the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are two alternative APIs:

c_isascii

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

mb_isascii

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

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9.425 isastream

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isastream.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.426 isatty

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isatty.html

Gnulib module: isatty

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.427 isblank

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isblank.html

Gnulib module: isblank

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isblank

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswblank

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isblank

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_blank

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-blank’.

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9.428 isblank_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isblank_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.429 iscntrl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iscntrl.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_iscntrl

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswcntrl

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_iscntrl

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_cntrl

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-cntrl’.

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9.430 iscntrl_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iscntrl_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.431 isdigit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isdigit.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isdigit

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswdigit

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isdigit

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_digit

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-digit’.

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9.432 isdigit_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isdigit_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.433 isfinite

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isfinite.html

Gnulib module: isfinite

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.434 isgraph

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isgraph.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isgraph

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswgraph

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isgraph

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_graph

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-graph’.

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9.435 isgraph_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isgraph_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.436 isgreater

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isgreater.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.437 isgreaterequal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isgreaterequal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.438 isinf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isinf.html

Gnulib module: isinf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.439 isless

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isless.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.440 islessequal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/islessequal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.441 islessgreater

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/islessgreater.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.442 islower

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/islower.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_islower

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswlower

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_islower

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_lower

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-lower’.

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9.443 islower_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/islower_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.444 isnan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isnan.html

Gnulib module: isnan

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.445 isnormal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isnormal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.446 isprint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isprint.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isprint

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswprint

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isprint

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_print

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-print’.

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9.447 isprint_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isprint_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.448 ispunct

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ispunct.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_ispunct

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswpunct

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_ispunct

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_punct

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-punct’.

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9.449 ispunct_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ispunct_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.450 isspace

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isspace.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isspace

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswspace

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isspace

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_space

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-space’.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.451 isspace_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isspace_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.452 isunordered

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isunordered.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.453 isupper

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isupper.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isupper

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswupper

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isupper

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_upper

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-upper’.

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9.454 isupper_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isupper_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.455 iswalnum

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswalnum.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.456 iswalnum_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswalnum_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.457 iswalpha

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswalpha.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.458 iswalpha_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswalpha_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.459 iswblank

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswblank.html

Gnulib module: iswblank

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.460 iswblank_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswblank_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.461 iswcntrl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswcntrl.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.462 iswcntrl_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswcntrl_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.463 iswctype

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswctype.html

Gnulib module: iswctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.464 iswctype_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswctype_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.465 iswdigit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswdigit.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.466 iswdigit_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswdigit_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.467 iswgraph

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswgraph.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.468 iswgraph_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswgraph_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.469 iswlower

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswlower.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.470 iswlower_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswlower_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.471 iswprint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswprint.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.472 iswprint_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswprint_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.473 iswpunct

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswpunct.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.474 iswpunct_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswpunct_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.475 iswspace

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswspace.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.476 iswspace_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswspace_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.477 iswupper

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswupper.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.478 iswupper_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswupper_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.479 iswxdigit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswxdigit.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.480 iswxdigit_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/iswxdigit_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.481 isxdigit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isxdigit.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function’s behaviour depends on the locale, but does not support the multibyte characters that occur in strings in locales with MB_CUR_MAX > 1 (this includes all the common UTF-8 locales). There are four alternative APIs:

c_isxdigit

This function operates in a locale independent way and returns true only for ASCII characters. It is provided by the Gnulib module ‘c-ctype’.

iswxdigit

This function operates in a locale dependent way, on wide characters. In order to use it, you first have to convert from multibyte to wide characters, using the mbrtowc function. It is provided by the Gnulib module ‘wctype’.

mb_isxdigit

This function operates in a locale dependent way, on multibyte characters. It is provided by the Gnulib module ‘mbchar’.

uc_is_xdigit

This function operates in a locale independent way, on Unicode characters. It is provided by the Gnulib module ‘unictype/ctype-xdigit’.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.482 isxdigit_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/isxdigit_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.483 j0

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/j0.html

Gnulib module: j0

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.484 j1

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/j1.html

Gnulib module: j1

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.485 jn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/jn.html

Gnulib module: jn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.486 jrand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/jrand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.487 kill

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/kill.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.488 killpg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/killpg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.489 l64a

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/l64a.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.490 labs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/labs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.491 lchown

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lchown.html

Gnulib module: lchown

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.492 lcong48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lcong48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.493 ldexp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ldexp.html

Gnulib module: ldexp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.494 ldexpf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ldexpf.html

Gnulib module: ldexpf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.495 ldexpl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ldexpl.html

Gnulib module: ldexpl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.496 ldiv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ldiv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.497 lfind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lfind.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.498 lgamma

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lgamma.html

Gnulib module: lgamma

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.499 lgammaf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lgammaf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.500 lgammal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lgammal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.501 link

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/link.html

Gnulib module: link

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.502 linkat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/linkat.html

Gnulib module: linkat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.503 lio_listio

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lio_listio.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.504 listen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/listen.html

Gnulib module: listen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.505 llabs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llabs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.506 lldiv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lldiv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.507 llrint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llrint.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.508 llrintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llrintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.509 llrintl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llrintl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.510 llround

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llround.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.511 llroundf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llroundf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.512 llroundl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/llroundl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.513 localeconv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/localeconv.html

Gnulib module: localeconv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.514 localtime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/localtime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.515 localtime_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/localtime_r.html

Gnulib module: time_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.516 lockf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lockf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.517 log

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log.html

Gnulib module: log or log-ieee

Portability problems fixed by either Gnulib module log or log-ieee:

Portability problems fixed by Gnulib module log-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.518 log10

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log10.html

Gnulib module: log10 or log10-ieee

Portability problems fixed by either Gnulib module log10 or log10-ieee:

Portability problems fixed by Gnulib module log10-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.519 log10f

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log10f.html

Gnulib module: log10f or log10f-ieee

Portability problems fixed by either Gnulib module log10f or log10f-ieee:

Portability problems fixed by Gnulib module log10f-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.520 log10l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log10l.html

Gnulib module: log10l

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.521 log1p

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log1p.html

Gnulib module: log1p or log1p-ieee

Portability problems fixed by either Gnulib module log1p or log1p-ieee:

Portability problems fixed by Gnulib module log1p-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.522 log1pf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log1pf.html

Gnulib module: log1pf or log1pf-ieee

Portability problems fixed by either Gnulib module log1pf or log1pf-ieee:

Portability problems fixed by Gnulib module log1pf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.523 log1pl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log1pl.html

Gnulib module: log1pl or log1pl-ieee

Portability problems fixed by either Gnulib module log1pl or log1pl-ieee:

Portability problems fixed by Gnulib module log1pl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.524 log2

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log2.html

Gnulib module: log2 or log2-ieee

Portability problems fixed by either Gnulib module log2 or log2-ieee:

Portability problems fixed by Gnulib module log2-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.525 log2f

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log2f.html

Gnulib module: log2f or log2f-ieee

Portability problems fixed by either Gnulib module log2f or log2f-ieee:

Portability problems fixed by Gnulib module log2f-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.526 log2l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/log2l.html

Gnulib module: log2l

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.527 logb

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/logb.html

Gnulib module: logb

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.528 logbf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/logbf.html

Gnulib module: logbf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.529 logbl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/logbl.html

Gnulib module: logbl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.530 logf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/logf.html

Gnulib module: logf or logf-ieee

Portability problems fixed by either Gnulib module logf or logf-ieee:

Portability problems fixed by Gnulib module logf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.531 logl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/logl.html

Gnulib module: logl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.532 longjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/longjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.533 lrand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lrand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.534 lrint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lrint.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.535 lrintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lrintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.536 lrintl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lrintl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.537 lround

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lround.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.538 lroundf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lroundf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.539 lroundl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lroundl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.540 lsearch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lsearch.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.541 lseek

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lseek.html

Gnulib module: lseek

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.542 lstat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/lstat.html

Gnulib module: lstat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.543 malloc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/malloc.html

Gnulib module: malloc-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib provides a module ‘malloc-gnu’ that substitutes a malloc implementation that behaves more like the glibc implementation, regarding the result of malloc (0).

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.544 mblen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mblen.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.545 mbrlen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbrlen.html

Gnulib module: mbrlen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.546 mbrtoc16

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.547 mbrtoc32

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.548 mbrtowc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbrtowc.html

Gnulib module: mbrtowc

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.549 mbsinit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbsinit.html

Gnulib module: mbsinit

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.550 mbsnrtowcs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbsnrtowcs.html

Gnulib module: mbsnrtowcs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.551 mbsrtowcs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbsrtowcs.html

Gnulib module: mbsrtowcs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.552 mbstowcs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbstowcs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.553 mbtowc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mbtowc.html

Gnulib module: mbtowc

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.554 memccpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memccpy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.555 memchr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memchr.html

Gnulib module: memchr or memchr-obsolete

Portability problems fixed by either Gnulib module memchr or memchr-obsolete:

Portability problems fixed by Gnulib module memchr-obsolete:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.556 memcmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memcmp.html

Gnulib module: memcmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.557 memcpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memcpy.html

Gnulib module: memcpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.558 memmove

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memmove.html

Gnulib module: memmove

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.559 memset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/memset.html

Gnulib module: memset

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.560 mkdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkdir.html

Gnulib module: mkdir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.561 mkdirat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkdirat.html

Gnulib module: mkdirat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.562 mkdtemp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkdtemp.html

Gnulib module: mkdtemp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.563 mkfifo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkfifo.html

Gnulib module: mkfifo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.564 mkfifoat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkfifoat.html

Gnulib module: mkfifoat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.565 mknod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mknod.html

Gnulib module: mknod

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.566 mknodat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mknodat.html

Gnulib module: mkfifoat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.567 mkstemp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mkstemp.html

Gnulib module: mkstemp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The gnulib module clean-temp can create temporary files that will not be left behind after signals such as SIGINT.

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9.568 mktime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mktime.html

Gnulib module: mktime

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.569 mlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.570 mlockall

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mlockall.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.571 mmap

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mmap.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.572 modf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/modf.html

Gnulib module: modf or modf-ieee

Portability problems fixed by either Gnulib module modf or modf-ieee:

Portability problems fixed by Gnulib module modf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.573 modff

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/modff.html

Gnulib module: modff or modff-ieee

Portability problems fixed by either Gnulib module modff or modff-ieee:

Portability problems fixed by Gnulib module modff-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.574 modfl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/modfl.html

Gnulib module: modfl or modfl-ieee

Portability problems fixed by either Gnulib module modfl or modfl-ieee:

Portability problems fixed by Gnulib module modfl-ieee:

Portability problems not fixed by Gnulib:

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9.575 mprotect

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mprotect.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.576 mq_close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_close.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.577 mq_getattr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_getattr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.578 mq_notify

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_notify.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.579 mq_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.580 mq_receive

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_receive.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.581 mq_send

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_send.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.582 mq_setattr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_setattr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.583 mq_timedreceive

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_timedreceive.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.584 mq_timedsend

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_timedsend.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.585 mq_unlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mq_unlink.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.586 mrand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/mrand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.587 msgctl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/msgctl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.588 msgget

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/msgget.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.589 msgrcv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/msgrcv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.590 msgsnd

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/msgsnd.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.591 msync

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/msync.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.592 munlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/munlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.593 munlockall

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/munlockall.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.594 munmap

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/munmap.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.595 nan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nan.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.596 nanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.597 nanl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nanl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.598 nanosleep

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nanosleep.html

Gnulib module: nanosleep

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.599 nearbyint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nearbyint.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.600 nearbyintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nearbyintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.601 nearbyintl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nearbyintl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.602 newlocale

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/newlocale.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.603 nextafter

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nextafter.html

Gnulib module: nextafter

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.604 nextafterf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nextafterf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.605 nextafterl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nextafterl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.606 nexttoward

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nexttoward.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.607 nexttowardf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nexttowardf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.608 nexttowardl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nexttowardl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.609 nftw

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nftw.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.610 nice

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nice.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.611 nl_langinfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nl_langinfo.html

Gnulib module: nl_langinfo

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.612 nl_langinfo_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nl_langinfo_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.613 nrand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/nrand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.614 ntohl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ntohl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.615 ntohs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ntohs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.616 open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/open.html

Gnulib module: open, fchdir

Portability problems fixed by the Gnulib module open:

Portability problems fixed by the Gnulib module fchdir:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.617 openat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/openat.html

Gnulib module: openat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.618 opendir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/opendir.html

Gnulib module: opendir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.619 openlog

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/openlog.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.620 open_memstream

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/open_memstream.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.621 open_wmemstream

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/open_wmemstream.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.622 optarg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/optarg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.623 opterr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/opterr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.624 optind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/optind.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.625 optopt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/optopt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.626 pathconf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pathconf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.627 pause

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pause.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.628 pclose

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pclose.html

Gnulib module: pclose

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.629 perror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/perror.html

Gnulib module: perror

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.630 pipe

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pipe.html

Gnulib module: pipe-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.631 poll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/poll.html

Gnulib module: poll

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.632 popen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html

Gnulib module: popen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.633 posix_fadvise

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_fadvise.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.634 posix_fallocate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_fallocate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.635 posix_madvise

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_madvise.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.636 posix_mem_offset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_mem_offset.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.637 posix_memalign

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_memalign.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The Gnulib module pagealign_alloc provides a similar API that returns memory aligned on a system page boundary.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.638 posix_openpt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_openpt.html

Gnulib module: posix_openpt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note that when using this function to open the master side of a pseudo-terminal, you still need platform dependent code to open the corresponding slave side. The Gnulib module openpty provides an easy-to-use API that does both at once.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.639 posix_spawn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn.html

Gnulib module: posix_spawn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.640 posix_spawn_file_actions_addclose

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn_file_actions_addclose.html

Gnulib module: posix_spawn_file_actions_addclose

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.641 posix_spawn_file_actions_adddup2

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn_file_actions_adddup2.html

Gnulib module: posix_spawn_file_actions_adddup2

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.642 posix_spawn_file_actions_addopen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn_file_actions_addopen.html

Gnulib module: posix_spawn_file_actions_addopen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.643 posix_spawn_file_actions_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn_file_actions_destroy.html

Gnulib module: posix_spawn_file_actions_destroy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.644 posix_spawn_file_actions_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawn_file_actions_init.html

Gnulib module: posix_spawn_file_actions_init

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.645 posix_spawnattr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_destroy.html

Gnulib module: posix_spawnattr_destroy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.646 posix_spawnattr_getflags

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getflags.html

Gnulib module: posix_spawnattr_getflags

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.647 posix_spawnattr_getpgroup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getpgroup.html

Gnulib module: posix_spawnattr_getpgroup

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.648 posix_spawnattr_getschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getschedparam.html

Gnulib module: posix_spawnattr_getschedparam

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.649 posix_spawnattr_getschedpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getschedpolicy.html

Gnulib module: posix_spawnattr_getschedpolicy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.650 posix_spawnattr_getsigdefault

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getsigdefault.html

Gnulib module: posix_spawnattr_getsigdefault

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.651 posix_spawnattr_getsigmask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_getsigmask.html

Gnulib module: posix_spawnattr_getsigmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.652 posix_spawnattr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_init.html

Gnulib module: posix_spawnattr_init

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.653 posix_spawnattr_setflags

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setflags.html

Gnulib module: posix_spawnattr_setflags

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.654 posix_spawnattr_setpgroup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setpgroup.html

Gnulib module: posix_spawnattr_setpgroup

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.655 posix_spawnattr_setschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setschedparam.html

Gnulib module: posix_spawnattr_setschedparam

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.656 posix_spawnattr_setschedpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setschedpolicy.html

Gnulib module: posix_spawnattr_setschedpolicy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.657 posix_spawnattr_setsigdefault

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setsigdefault.html

Gnulib module: posix_spawnattr_setsigdefault

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.658 posix_spawnattr_setsigmask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnattr_setsigmask.html

Gnulib module: posix_spawnattr_setsigmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.659 posix_spawnp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_spawnp.html

Gnulib module: posix_spawnp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.660 posix_trace_attr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.661 posix_trace_attr_getclockres

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getclockres.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.662 posix_trace_attr_getcreatetime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getcreatetime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.663 posix_trace_attr_getgenversion

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getgenversion.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.664 posix_trace_attr_getinherited

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getinherited.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.665 posix_trace_attr_getlogfullpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getlogfullpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.666 posix_trace_attr_getlogsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getlogsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.667 posix_trace_attr_getmaxdatasize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getmaxdatasize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.668 posix_trace_attr_getmaxsystemeventsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getmaxsystemeventsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.669 posix_trace_attr_getmaxusereventsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getmaxusereventsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.670 posix_trace_attr_getname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.671 posix_trace_attr_getstreamfullpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getstreamfullpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.672 posix_trace_attr_getstreamsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_getstreamsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.673 posix_trace_attr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.674 posix_trace_attr_setinherited

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setinherited.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.675 posix_trace_attr_setlogfullpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setlogfullpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.676 posix_trace_attr_setlogsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setlogsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.677 posix_trace_attr_setmaxdatasize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setmaxdatasize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.678 posix_trace_attr_setname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.679 posix_trace_attr_setstreamfullpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setstreamfullpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.680 posix_trace_attr_setstreamsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_attr_setstreamsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.681 posix_trace_clear

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_clear.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.682 posix_trace_close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_close.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.683 posix_trace_create

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_create.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.684 posix_trace_create_withlog

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_create_withlog.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.685 posix_trace_event

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_event.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.686 posix_trace_eventid_equal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventid_equal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.687 posix_trace_eventid_get_name

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventid_get_name.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.688 posix_trace_eventid_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventid_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.689 posix_trace_eventset_add

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventset_add.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.690 posix_trace_eventset_del

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventset_del.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.691 posix_trace_eventset_empty

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventset_empty.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.692 posix_trace_eventset_fill

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventset_fill.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.693 posix_trace_eventset_ismember

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventset_ismember.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.694 posix_trace_eventtypelist_getnext_id

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventtypelist_getnext_id.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.695 posix_trace_eventtypelist_rewind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_eventtypelist_rewind.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.696 posix_trace_flush

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_flush.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.697 posix_trace_get_attr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_get_attr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.698 posix_trace_get_filter

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_get_filter.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.699 posix_trace_get_status

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_get_status.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.700 posix_trace_getnext_event

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_getnext_event.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.701 posix_trace_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.702 posix_trace_rewind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_rewind.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.703 posix_trace_set_filter

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_set_filter.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.704 posix_trace_shutdown

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_shutdown.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.705 posix_trace_start

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_start.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.706 posix_trace_stop

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_stop.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.707 posix_trace_timedgetnext_event

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_timedgetnext_event.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.708 posix_trace_trid_eventid_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_trid_eventid_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.709 posix_trace_trygetnext_event

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_trace_trygetnext_event.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.710 posix_typed_mem_get_info

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_typed_mem_get_info.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.711 posix_typed_mem_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/posix_typed_mem_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.712 pow

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pow.html

Gnulib module: pow

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.713 powf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/powf.html

Gnulib module: powf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.714 powl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/powl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.715 pread

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pread.html

Gnulib module: pread

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.716 printf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/printf.html

Gnulib module: printf-posix or stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module printf-posix:

Portability problems fixed by Gnulib module stdio or printf-posix, together with module nonblocking:

Portability problems fixed by Gnulib module stdio or printf-posix, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.717 pselect

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pselect.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.718 psiginfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/psiginfo.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.719 psignal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/psignal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.720 pthread_atfork

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_atfork.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.721 pthread_attr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.722 pthread_attr_getdetachstate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getdetachstate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.723 pthread_attr_getguardsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getguardsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.724 pthread_attr_getinheritsched

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getinheritsched.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.725 pthread_attr_getschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getschedparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.726 pthread_attr_getschedpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getschedpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.727 pthread_attr_getscope

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getscope.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.728 pthread_attr_getstack

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getstack.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.729 pthread_attr_getstacksize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_getstacksize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.730 pthread_attr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.731 pthread_attr_setdetachstate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setdetachstate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.732 pthread_attr_setguardsize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setguardsize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.733 pthread_attr_setinheritsched

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setinheritsched.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.734 pthread_attr_setschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setschedparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.735 pthread_attr_setschedpolicy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setschedpolicy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.736 pthread_attr_setscope

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setscope.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.737 pthread_attr_setstack

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setstack.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.738 pthread_attr_setstacksize

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_attr_setstacksize.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.739 pthread_barrier_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrier_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.740 pthread_barrier_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrier_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.741 pthread_barrier_wait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrier_wait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.742 pthread_barrierattr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrierattr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.743 pthread_barrierattr_getpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrierattr_getpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.744 pthread_barrierattr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrierattr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.745 pthread_barrierattr_setpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_barrierattr_setpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.746 pthread_cancel

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cancel.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.747 pthread_cleanup_pop

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cleanup_pop.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.748 pthread_cleanup_push

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cleanup_push.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.749 pthread_cond_broadcast

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_broadcast.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.750 pthread_cond_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.751 pthread_cond_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.752 pthread_cond_signal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_signal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.753 pthread_cond_timedwait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_timedwait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.754 pthread_cond_wait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_cond_wait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.755 pthread_condattr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.756 pthread_condattr_getclock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_getclock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.757 pthread_condattr_getpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_getpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.758 pthread_condattr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.759 pthread_condattr_setclock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_setclock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.760 pthread_condattr_setpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_condattr_setpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.761 pthread_create

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_create.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.762 pthread_detach

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_detach.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.763 pthread_equal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_equal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.764 pthread_exit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_exit.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.765 pthread_getconcurrency

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_getconcurrency.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.766 pthread_getcpuclockid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_getcpuclockid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.767 pthread_getschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_getschedparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.768 pthread_getspecific

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_getspecific.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.769 pthread_join

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_join.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.770 pthread_key_create

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_key_create.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.771 pthread_key_delete

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_key_delete.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.772 pthread_kill

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_kill.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.773 pthread_mutex_consistent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_consistent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.774 pthread_mutex_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.775 pthread_mutex_getprioceiling

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_getprioceiling.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.776 pthread_mutex_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.777 pthread_mutex_lock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_lock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.778 pthread_mutex_setprioceiling

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_setprioceiling.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.779 pthread_mutex_timedlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_timedlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.780 pthread_mutex_trylock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_trylock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.781 pthread_mutex_unlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutex_unlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.782 pthread_mutexattr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.783 pthread_mutexattr_getprioceiling

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getprioceiling.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.784 pthread_mutexattr_getprotocol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getprotocol.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.785 pthread_mutexattr_getpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.786 pthread_mutexattr_getrobust

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_getrobust.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.787 pthread_mutexattr_gettype

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_gettype.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.788 pthread_mutexattr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.789 pthread_mutexattr_setprioceiling

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_setprioceiling.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.790 pthread_mutexattr_setprotocol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_setprotocol.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.791 pthread_mutexattr_setpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_setpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.792 pthread_mutexattr_setrobust

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_setrobust.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.793 pthread_mutexattr_settype

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_mutexattr_settype.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.794 pthread_once

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_once.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.795 pthread_rwlock_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.796 pthread_rwlock_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.797 pthread_rwlock_rdlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_rdlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.798 pthread_rwlock_timedrdlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_timedrdlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.799 pthread_rwlock_timedwrlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_timedwrlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.800 pthread_rwlock_tryrdlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_tryrdlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.801 pthread_rwlock_trywrlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_trywrlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.802 pthread_rwlock_unlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_unlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.803 pthread_rwlock_wrlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_wrlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.804 pthread_rwlockattr_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.805 pthread_rwlockattr_getpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_getpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.806 pthread_rwlockattr_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.807 pthread_rwlockattr_setpshared

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlockattr_setpshared.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.808 pthread_self

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_self.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.809 pthread_setcancelstate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setcancelstate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.810 pthread_setcanceltype

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setcanceltype.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.811 pthread_setconcurrency

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setconcurrency.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.812 pthread_setschedparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setschedparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.813 pthread_setschedprio

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setschedprio.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.814 pthread_setspecific

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_setspecific.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.815 pthread_sigmask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_sigmask.html

Gnulib module: pthread_sigmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.816 pthread_spin_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_spin_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.817 pthread_spin_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_spin_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.818 pthread_spin_lock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_spin_lock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.819 pthread_spin_trylock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_spin_trylock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.820 pthread_spin_unlock

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_spin_unlock.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.821 pthread_testcancel

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pthread_testcancel.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.822 ptsname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ptsname.html

Gnulib module: ptsname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note that the Gnulib module ptsname_r is a version of this function that is more likely to be thread-safe.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.823 putc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putc.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.824 putc_unlocked

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putc_unlocked.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.825 putchar

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putchar.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.826 putchar_unlocked

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putchar_unlocked.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.827 putenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putenv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib provides a module ‘putenv’ that substitutes a putenv implementation that can also be used to remove environment variables.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.828 putmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.829 putpmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putpmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.830 puts

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/puts.html

Gnulib module: stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.831 pututxline

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pututxline.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.832 putwc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putwc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.833 putwchar

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/putwchar.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.834 pwrite

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/pwrite.html

Gnulib module: pwrite

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.835 qsort

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/qsort.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.836 quick_exit

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.837 raise

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/raise.html

Gnulib module: raise

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.838 rand

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rand.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.839 rand_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rand_r.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.840 random

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/random.html

Gnulib module: random

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.841 read

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/read.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

For handling EINTR, Gnulib provides a module ‘safe-read’ with a function safe_read.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.842 readdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/readdir.html

Gnulib module: readdir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.843 readdir_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/readdir_r.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.844 readlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/readlink.html

Gnulib module: readlink

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.845 readlinkat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/readlinkat.html

Gnulib module: readlinkat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.846 readv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/readv.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.847 realloc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/realloc.html

Gnulib module: realloc-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib provides a module ‘realloc-gnu’ that substitutes a realloc implementation that behaves more like the glibc implementation.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.848 realpath

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/realpath.html

Gnulib module: canonicalize-lgpl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.849 recv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/recv.html

Gnulib module: recv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.850 recvfrom

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/recvfrom.html

Gnulib module: recvfrom

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.851 recvmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/recvmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.852 regcomp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/regcomp.html

Gnulib module: regex

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.853 regerror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/regerror.html

Gnulib module: regex

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.854 regexec

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/regexec.html

Gnulib module: regex

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.855 regfree

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/regfree.html

Gnulib module: regex

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.856 remainder

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remainder.html

Gnulib module: remainder or remainder-ieee

Portability problems fixed by either Gnulib module remainder or remainder-ieee:

Portability problems fixed by Gnulib module remainder-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.857 remainderf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remainderf.html

Gnulib module: remainderf or remainderf-ieee

Portability problems fixed by either Gnulib module remainderf or remainderf-ieee:

Portability problems fixed by Gnulib module remainderf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.858 remainderl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remainderl.html

Gnulib module: remainderl or remainderl-ieee

Portability problems fixed by either Gnulib module remainderl or remainderl-ieee:

Portability problems fixed by Gnulib module remainderl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.859 remove

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remove.html

Gnulib module: remove

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.860 remque

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remque.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.861 remquo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remquo.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.862 remquof

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remquof.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.863 remquol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/remquol.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.864 rename

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rename.html

Gnulib module: rename

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.865 renameat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/renameat.html

Gnulib module: renameat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.866 rewind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rewind.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.867 rewinddir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rewinddir.html

Gnulib module: rewinddir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.868 rint

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rint.html

Gnulib module: rint

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.869 rintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rintf.html

Gnulib module: rintf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.870 rintl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rintl.html

Gnulib module: rintl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.871 rmdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/rmdir.html

Gnulib module: rmdir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.872 round

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/round.html

Gnulib module: round or round-ieee

Portability problems fixed by either Gnulib module round or round-ieee:

Portability problems fixed by Gnulib module round-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.873 roundf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/roundf.html

Gnulib module: roundf or roundf-ieee

Portability problems fixed by either Gnulib module roundf or roundf-ieee:

Portability problems fixed by Gnulib module roundf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.874 roundl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/roundl.html

Gnulib module: roundl or roundl-ieee

Portability problems fixed by either Gnulib module roundl or roundl-ieee:

Portability problems fixed by Gnulib module roundl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.875 scalbln

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalbln.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.876 scalblnf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalblnf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.877 scalblnl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalblnl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.878 scalbn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalbn.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.879 scalbnf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalbnf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.880 scalbnl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scalbnl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.881 scandir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scandir.html

Gnulib module: scandir

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.882 scanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/scanf.html

Gnulib module: stdio, nonblocking

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.883 sched_get_priority_max

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_max.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.884 sched_get_priority_min

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_get_priority_min.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.885 sched_getparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_getparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.886 sched_getscheduler

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_getscheduler.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.887 sched_rr_get_interval

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_rr_get_interval.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.888 sched_setparam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_setparam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.889 sched_setscheduler

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_setscheduler.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.890 sched_yield

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sched_yield.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.891 seed48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/seed48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.892 seekdir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/seekdir.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.893 select

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/select.html

Gnulib module: select

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.894 sem_close

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_close.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.895 sem_destroy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_destroy.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.896 sem_getvalue

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_getvalue.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.897 sem_init

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_init.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.898 sem_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.899 sem_post

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_post.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.900 sem_timedwait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_timedwait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.901 sem_trywait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_trywait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.902 sem_unlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_unlink.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.903 sem_wait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sem_wait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.904 semctl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/semctl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.905 semget

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/semget.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.906 semop

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/semop.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.907 send

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/send.html

Gnulib module: send

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.908 sendmsg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sendmsg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.909 sendto

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sendto.html

Gnulib module: sendto

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.910 setbuf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setbuf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.911 setegid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setegid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.912 setenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setenv.html

Gnulib module: setenv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.913 seteuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/seteuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.914 setgid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setgid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.915 setgrent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setgrent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.916 sethostent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sethostent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.917 setitimer

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setitimer.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.918 setjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.919 setkey

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setkey.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.920 setlocale

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setlocale.html

Gnulib module: setlocale

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.921 setlogmask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setlogmask.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.922 setnetent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setnetent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.923 setpgid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setpgid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.924 setpgrp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setpgrp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.925 setpriority

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setpriority.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.926 setprotoent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setprotoent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.927 setpwent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setpwent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.928 setregid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setregid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.929 setreuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setreuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.930 setrlimit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setrlimit.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.931 setservent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setservent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.932 setsid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setsid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.933 setsockopt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html

Gnulib module: setsockopt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.934 setstate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setstate.html

Gnulib module: random

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.935 setuid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setuid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.936 setutxent

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setutxent.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.937 setvbuf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/setvbuf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.938 shm_open

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shm_open.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.939 shm_unlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shm_unlink.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.940 shmat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shmat.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.941 shmctl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shmctl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.942 shmdt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shmdt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.943 shmget

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shmget.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.944 shutdown

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/shutdown.html

Gnulib module: shutdown

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.945 sigaction

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigaction.html

Gnulib module: sigaction

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.946 sigaddset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigaddset.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.947 sigaltstack

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigaltstack.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.948 sigdelset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigdelset.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.949 sigemptyset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigemptyset.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.950 sigfillset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigfillset.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.951 sighold

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sighold.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.952 sigignore

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigignore.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.953 siginterrupt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/siginterrupt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: POSIX recommends using sigaction with SA_RESTART instead of siginterrupt (sig, 0).

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.954 sigismember

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigismember.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.955 siglongjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/siglongjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.956 signal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/signal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.957 signbit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/signbit.html

Gnulib module: signbit

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.958 signgam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/signgam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.959 sigpause

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigpause.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.960 sigpending

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigpending.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.961 sigprocmask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigprocmask.html

Gnulib module: sigprocmask

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.962 sigqueue

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigqueue.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.963 sigrelse

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigrelse.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.964 sigset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigset.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.965 sigsetjmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigsetjmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.966 sigsuspend

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigsuspend.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.967 sigtimedwait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigtimedwait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.968 sigwait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigwait.html

Gnulib module: extensions

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.969 sigwaitinfo

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sigwaitinfo.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.970 sin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sin.html

Gnulib module: sin

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.971 sinf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sinf.html

Gnulib module: sinf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.972 sinh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sinh.html

Gnulib module: sinh

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.973 sinhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sinhf.html

Gnulib module: sinhf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.974 sinhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sinhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.975 sinl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sinl.html

Gnulib module: sinl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.976 sleep

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sleep.html

Gnulib module: sleep

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.977 snprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/snprintf.html

Gnulib module: snprintf or snprintf-posix

Portability problems fixed by either Gnulib module snprintf or snprintf-posix:

Portability problems fixed by Gnulib module snprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.978 sockatmark

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sockatmark.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.979 socket

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/socket.html

Gnulib module: socket

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.980 socketpair

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/socketpair.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.981 sprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sprintf.html

Gnulib module: sprintf-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.982 sqrt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sqrt.html

Gnulib module: sqrt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.983 sqrtf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sqrtf.html

Gnulib module: sqrtf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.984 sqrtl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sqrtl.html

Gnulib module: sqrtl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.985 srand

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/srand.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.986 srand48

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/srand48.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.987 srandom

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/srandom.html

Gnulib module: random

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.988 sscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.989 stat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stat.html

Gnulib module: stat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.990 statvfs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/statvfs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Gnulib provides a module fsusage that provides similar information as statvfs.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.991 stderr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stderr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.992 stdin

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stdin.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.993 stdout

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stdout.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.994 stpcpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stpcpy.html

Gnulib module: stpcpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.995 stpncpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/stpncpy.html

Gnulib module: stpncpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.996 strcasecmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcasecmp.html

Gnulib module: strcase

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.997 strcasecmp_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcasecmp_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.998 strcat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcat.html

Gnulib module: string

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.999 strchr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strchr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1000 strcmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1001 strcoll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcoll.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1002 strcoll_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcoll_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1003 strcpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcpy.html

Gnulib module: string

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1004 strcspn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strcspn.html

Gnulib module: strcspn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1005 strdup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strdup.html

Gnulib module: strdup or strdup-posix

Portability problems fixed by either Gnulib module strdup or strdup-posix:

Portability problems fixed by Gnulib module strdup-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1006 strerror

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strerror.html

Gnulib module: strerror

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1007 strerror_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strerror_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1008 strerror_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strerror_r.html

Gnulib module: strerror_r-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1009 strfmon

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strfmon.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1010 strfmon_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strfmon_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1011 strftime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strftime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib offers a module ‘strftime’ that provides an nstrftime function with various GNU extensions.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1012 strftime_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strftime_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1013 strlen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strlen.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1014 strncasecmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strncasecmp.html

Gnulib module: strcase

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1015 strncasecmp_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strncasecmp_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1016 strncat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strncat.html

Gnulib module: strncat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1017 strncmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strncmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1018 strncpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strncpy.html

Gnulib module: string

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1019 strndup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strndup.html

Gnulib module: strndup

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1020 strnlen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strnlen.html

Gnulib module: strnlen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1021 strpbrk

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strpbrk.html

Gnulib module: strpbrk

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1022 strptime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strptime.html

Gnulib module: strptime

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1023 strrchr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strrchr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1024 strsignal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strsignal.html

Gnulib module: strsignal

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1025 strspn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strspn.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1026 strstr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strstr.html

Gnulib module: strstr or strstr-simple

Portability problems fixed by either Gnulib module strstr-simple or strstr:

Portability problems fixed by Gnulib strstr:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1027 strtod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtod.html

Gnulib module: strtod or strtod-obsolete

Portability problems fixed by either Gnulib module strtod or strtod-obsolete:

Portability problems fixed by Gnulib module strtod-obsolete:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1028 strtof

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtof.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1029 strtoimax

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtoimax.html

Gnulib module: strtoimax

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1030 strtok

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtok.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1031 strtok_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtok_r.html

Gnulib module: strtok_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1032 strtol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtol.html

Gnulib module: strtol

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1033 strtold

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtold.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1034 strtoll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtoll.html

Gnulib module: strtoll

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1035 strtoul

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtoul.html

Gnulib module: strtoul

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1036 strtoull

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtoull.html

Gnulib module: strtoull

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1037 strtoumax

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strtoumax.html

Gnulib module: strtoumax

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1038 strxfrm

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strxfrm.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1039 strxfrm_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strxfrm_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1040 swab

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/swab.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1041 swprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/swprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1042 swscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/swscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1043 symlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/symlink.html

Gnulib module: symlink

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1044 symlinkat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/symlinkat.html

Gnulib module: symlinkat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1045 sync

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sync.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1046 sysconf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/sysconf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1047 syslog

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/syslog.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1048 system

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/system.html

Gnulib module: system-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1049 tan

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tan.html

Gnulib module: tan

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1050 tanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tanf.html

Gnulib module: tanf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1051 tanh

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tanh.html

Gnulib module: tanh

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1052 tanhf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tanhf.html

Gnulib module: tanhf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1053 tanhl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tanhl.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1054 tanl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tanl.html

Gnulib module: tanl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1055 tcdrain

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcdrain.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1056 tcflow

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcflow.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1057 tcflush

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcflush.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1058 tcgetattr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcgetattr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1059 tcgetpgrp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcgetpgrp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1060 tcgetsid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcgetsid.html

Gnulib module: tcgetsid

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1061 tcsendbreak

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcsendbreak.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1062 tcsetattr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcsetattr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1063 tcsetpgrp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tcsetpgrp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1064 tdelete

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tdelete.html

Gnulib module: tsearch

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1065 telldir

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/telldir.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1066 tempnam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tempnam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1067 tfind

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tfind.html

Gnulib module: tsearch

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1068 tgamma

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tgamma.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1069 tgammaf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tgammaf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1070 tgammal

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tgammal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1071 time

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/time.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1072 timer_create

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timer_create.html

Gnulib module: timer-time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1073 timer_delete

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timer_delete.html

Gnulib module: timer-time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1074 timer_getoverrun

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timer_getoverrun.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1075 timer_gettime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timer_gettime.html

Gnulib module: timer-time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1076 timer_settime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timer_settime.html

Gnulib module: timer-time

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1077 times

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/times.html

Gnulib module: times

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1078 timezone

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/timezone.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1079 tmpfile

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tmpfile.html

Gnulib module: tmpfile

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1080 tmpnam

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tmpnam.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1081 toascii

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/toascii.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1082 tolower

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tolower.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1083 tolower_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tolower_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1084 toupper

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/toupper.html

Gnulib module: ctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1085 toupper_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/toupper_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1086 towctrans

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towctrans.html

Gnulib module: towctrans

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1087 towctrans_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towctrans_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1088 towlower

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towlower.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1089 towlower_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towlower_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1090 towupper

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towupper.html

Gnulib module: wctype-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1091 towupper_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/towupper_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1092 trunc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/trunc.html

Gnulib module: trunc or trunc-ieee

Portability problems fixed by either Gnulib module trunc or trunc-ieee:

Portability problems fixed by Gnulib module trunc-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1093 truncate

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/truncate.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1094 truncf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/truncf.html

Gnulib module: truncf or truncf-ieee

Portability problems fixed by either Gnulib module truncf or truncf-ieee:

Portability problems fixed by Gnulib module truncf-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1095 truncl

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/truncl.html

Gnulib module: truncl or truncl-ieee

Portability problems fixed by either Gnulib module truncl or truncl-ieee:

Portability problems fixed by Gnulib module truncl-ieee:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1096 tsearch

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tsearch.html

Gnulib module: tsearch

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1097 ttyname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1098 ttyname_r

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ttyname_r.html

Gnulib module: ttyname_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1099 twalk

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/twalk.html

Gnulib module: tsearch

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1100 tzname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tzname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1101 tzset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/tzset.html

Gnulib module: tzset

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1102 ulimit

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ulimit.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1103 umask

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/umask.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1104 uname

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/uname.html

Gnulib module: uname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1105 ungetc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ungetc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1106 ungetwc

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/ungetwc.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1107 unlink

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/unlink.html

Gnulib module: unlink

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1108 unlinkat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/unlinkat.html

Gnulib module: unlinkat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1109 unlockpt

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/unlockpt.html

Gnulib module: unlockpt

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1110 unsetenv

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/unsetenv.html

Gnulib module: unsetenv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1111 uselocale

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/uselocale.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1112 utime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/utime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1113 utimensat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/utimensat.html

Gnulib module: utimensat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The gnulib module fdutimensat provides a similar interface.

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1114 utimes

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/utimes.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Extension: Gnulib provides a module ‘utimens’ that works around these problems and allows to set the time with nanosecond resolution (as far as supported by the file system).

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9.1115 va_arg

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/va_arg.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1116 va_copy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/va_copy.html

Gnulib module: stdarg

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1117 va_end

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/va_end.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1118 va_start

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/va_start.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1119 vdprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vdprintf.html

Gnulib module: vdprintf or vdprintf-posix

Portability problems fixed by either Gnulib module vdprintf or vdprintf-posix:

Portability problems fixed by Gnulib module vdprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1120 vfprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vfprintf.html

Gnulib module: vfprintf-posix or stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module vfprintf-posix:

Portability problems fixed by Gnulib module stdio or vfprintf-posix, together with module nonblocking:

Portability problems fixed by Gnulib module stdio or vfprintf-posix, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1121 vfscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vfscanf.html

Gnulib module: vfscanf, nonblocking

Portability problems fixed by Gnulib module vfscanf, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1122 vfwprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vfwprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1123 vfwscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vfwscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1124 vprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vprintf.html

Gnulib module: vprintf-posix or stdio, nonblocking, sigpipe

Portability problems fixed by Gnulib module vprintf-posix:

Portability problems fixed by Gnulib module stdio or vprintf-posix, together with module nonblocking:

Portability problems fixed by Gnulib module stdio or vprintf-posix, together with module sigpipe:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1125 vscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vscanf.html

Gnulib module: vscanf, nonblocking

Portability problems fixed by Gnulib module vscanf, together with module nonblocking:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1126 vsnprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vsnprintf.html

Gnulib module: vsnprintf or vsnprintf-posix

Portability problems fixed by either Gnulib module vsnprintf or vsnprintf-posix:

Portability problems fixed by Gnulib module vsnprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1127 vsprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vsprintf.html

Gnulib module: vsprintf-posix

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1128 vsscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vsscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1129 vswprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vswprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1130 vswscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vswscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1131 vwprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vwprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1132 vwscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/vwscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1133 wait

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wait.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1134 waitid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/waitid.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1135 waitpid

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/waitpid.html

Gnulib module: waitpid

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1136 wcpcpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcpcpy.html

Gnulib module: wcpcpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1137 wcpncpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcpncpy.html

Gnulib module: wcpncpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1138 wcrtomb

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcrtomb.html

Gnulib module: wcrtomb

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1139 wcscasecmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscasecmp.html

Gnulib module: wcscasecmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1140 wcscasecmp_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscasecmp_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1141 wcscat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscat.html

Gnulib module: wcscat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1142 wcschr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcschr.html

Gnulib module: wcschr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1143 wcscmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscmp.html

Gnulib module: wcscmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1144 wcscoll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscoll.html

Gnulib module: wcscoll

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1145 wcscoll_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscoll_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1146 wcscpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscpy.html

Gnulib module: wcscpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1147 wcscspn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcscspn.html

Gnulib module: wcscspn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1148 wcsdup

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsdup.html

Gnulib module: wcsdup

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1149 wcsftime

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsftime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1150 wcslen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcslen.html

Gnulib module: wcslen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1151 wcsncasecmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsncasecmp.html

Gnulib module: wcsncasecmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1152 wcsncasecmp_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsncasecmp_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1153 wcsncat

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsncat.html

Gnulib module: wcsncat

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1154 wcsncmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsncmp.html

Gnulib module: wcsncmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1155 wcsncpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsncpy.html

Gnulib module: wcsncpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1156 wcsnlen

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsnlen.html

Gnulib module: wcsnlen

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1157 wcsnrtombs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsnrtombs.html

Gnulib module: wcsnrtombs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1158 wcspbrk

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcspbrk.html

Gnulib module: wcspbrk

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1159 wcsrchr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsrchr.html

Gnulib module: wcsrchr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1160 wcsrtombs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsrtombs.html

Gnulib module: wcsrtombs

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1161 wcsspn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsspn.html

Gnulib module: wcsspn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1162 wcsstr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsstr.html

Gnulib module: wcsstr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1163 wcstod

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstod.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1164 wcstof

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstof.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1165 wcstoimax

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstoimax.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1166 wcstok

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstok.html

Gnulib module: wcstok

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1167 wcstol

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstol.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1168 wcstold

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstold.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1169 wcstoll

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstoll.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1170 wcstombs

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstombs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1171 wcstoul

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstoul.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1172 wcstoull

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstoull.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1173 wcstoumax

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcstoumax.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1174 wcswidth

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcswidth.html

Gnulib module: wcswidth

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1175 wcsxfrm

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsxfrm.html

Gnulib module: wcsxfrm

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1176 wcsxfrm_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcsxfrm_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1177 wctob

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctob.html

Gnulib module: wctob

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1178 wctomb

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctomb.html

Gnulib module: wctomb

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1179 wctrans

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctrans.html

Gnulib module: wctrans

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1180 wctrans_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctrans_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1181 wctype

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctype.html

Gnulib module: wctype

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1182 wctype_l

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wctype_l.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1183 wcwidth

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wcwidth.html

Gnulib module: wcwidth

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1184 wmemchr

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wmemchr.html

Gnulib module: wmemchr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1185 wmemcmp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wmemcmp.html

Gnulib module: wmemcmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1186 wmemcpy

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wmemcpy.html

Gnulib module: wmemcpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1187 wmemmove

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wmemmove.html

Gnulib module: wmemmove

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1188 wmemset

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wmemset.html

Gnulib module: wmemset

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1189 wordexp

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wordexp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1190 wordfree

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wordfree.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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9.1191 wprintf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wprintf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1192 write

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/write.html

Gnulib module: write, nonblocking, sigpipe

Portability problems fixed by Gnulib module stdio, together with module nonblocking:

Portability problems fixed by Gnulib module stdio, together with module sigpipe:

Portability problems not fixed by Gnulib:

For handling EINTR, Gnulib provides a module ‘safe-write’ with a function safe_write.

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9.1193 writev

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/writev.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1194 wscanf

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/wscanf.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1195 y0

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/y0.html

Gnulib module: y0

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Function Substitutes   [Contents][Index]

9.1196 y1

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/y1.html

Gnulib module: y1

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Function Substitutes   [Contents][Index]

9.1197 yn

POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/yn.html

Gnulib module: yn

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10 Past POSIX Function Substitutes

This chapter describes which functions and function-like macros specified by older versions of POSIX are substituted by Gnulib, which portability pitfalls are fixed by Gnulib, and which (known) portability problems are not worked around by Gnulib.

The notation “Gnulib module: —” means that Gnulib does not provide a module providing a substitute for the function. When the list “Portability problems not fixed by Gnulib” is empty, such a module is not needed: No portability problems are known. Otherwise, it indicates that such a module would be useful but is not available: No one so far found this function important enough to contribute a substitute for it. If you need this particular function, you may write to <bug-gnulib at gnu dot org>.

• bcmp:  
• bcopy:  
• bsd_signal:  
• bzero:  
• ecvt:  
• fcvt:  
• ftime:  
• gcvt:  
• getcontext:  
• gethostbyaddr:  
• gethostbyname:  
• getwd:  
• h_errno:  
• index:  
• makecontext:  
• mktemp:  
• pthread_attr_getstackaddr:  
• pthread_attr_setstackaddr:  
• rindex:  
• scalb:  
• setcontext:  
• swapcontext:  
• ualarm:  
• usleep:  
• vfork:  
• wcswcs:  

Next: , Up: Legacy Function Substitutes   [Contents][Index]

10.1 bcmp

POSIX specification: http://www.opengroup.org/susv3xsh/bcmp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.2 bcopy

POSIX specification: http://www.opengroup.org/susv3xsh/bcopy.html

Gnulib module: bcopy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.3 bsd_signal

POSIX specification: http://www.opengroup.org/susv3xsh/bsd_signal.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.4 bzero

POSIX specification: http://www.opengroup.org/susv3xsh/bzero.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.5 ecvt

POSIX specification: http://www.opengroup.org/susv3xsh/ecvt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.6 fcvt

POSIX specification: http://www.opengroup.org/susv3xsh/fcvt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.7 ftime

POSIX specification: http://www.opengroup.org/susv3xsh/ftime.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.8 gcvt

POSIX specification: http://www.opengroup.org/susv3xsh/gcvt.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.9 getcontext

POSIX specification: http://www.opengroup.org/susv3xsh/getcontext.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.10 gethostbyaddr

POSIX specification: http://www.opengroup.org/susv3xsh/gethostbyaddr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.11 gethostbyname

POSIX specification: http://www.opengroup.org/susv3xsh/gethostbyname.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.12 getwd

POSIX specification: http://www.opengroup.org/susv3xsh/getwd.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.13 h_errno

POSIX specification: http://www.opengroup.org/susv3xsh/h_errno.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.14 index

POSIX specification: http://www.opengroup.org/susv3xsh/index.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.15 makecontext

POSIX specification: http://www.opengroup.org/susv3xsh/makecontext.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.16 mktemp

POSIX specification: http://www.opengroup.org/susv3xsh/mktemp.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.17 pthread_attr_getstackaddr

POSIX specification: http://www.opengroup.org/susv3xsh/pthread_attr_getstackaddr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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10.18 pthread_attr_setstackaddr

POSIX specification: http://www.opengroup.org/susv3xsh/pthread_attr_setstackaddr.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.19 rindex

POSIX specification: http://www.opengroup.org/susv3xsh/rindex.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.20 scalb

POSIX specification: http://www.opengroup.org/susv3xsh/scalb.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.21 setcontext

POSIX specification: http://www.opengroup.org/susv3xsh/setcontext.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.22 swapcontext

POSIX specification: http://www.opengroup.org/susv3xsh/swapcontext.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.23 ualarm

POSIX specification: http://www.opengroup.org/susv3xsh/ualarm.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.24 usleep

POSIX specification: http://www.opengroup.org/susv3xsh/usleep.html

Gnulib module: usleep

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.25 vfork

POSIX specification: http://www.opengroup.org/susv3xsh/vfork.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Legacy Function Substitutes   [Contents][Index]

10.26 wcswcs

POSIX specification: http://www.opengroup.org/susv3xsh/wcswcs.html

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11 Glibc Header File Substitutes

This chapter describes which header files contained in GNU libc but not specified by ISO C or POSIX are substituted by Gnulib, which portability pitfalls are fixed by Gnulib, and which (known) portability problems are not worked around by Gnulib.

The notation “Gnulib module: —” means that Gnulib does not provide a module providing a substitute for the header file. When the list “Portability problems not fixed by Gnulib” is empty, such a module is not needed: No portability problems are known. Otherwise, it indicates that such a module would be useful but is not available: No one so far found this header file important enough to contribute a substitute for it. If you need this particular header file, you may write to <bug-gnulib at gnu dot org>.

• a.out.h:  
• aliases.h:  
• alloca.h:  
• ar.h:  
• argp.h:  
• argz.h:  
• byteswap.h:  
• crypt.h:  
• endian.h:  
• envz.h:  
• err.h:  
• error.h:  
• execinfo.h:  
• fpu_control.h:  
• fstab.h:  
• fts.h:  
• getopt.h:  
• gshadow.h:  
• ieee754.h:  
• ifaddrs.h:  
• libintl.h:  
• mcheck.h:  
• mntent.h:  
• obstack.h:  
• paths.h:  
• printf.h:  
• pty.h:  
• resolv.h:  
• shadow.h:  
• sys/ioctl.h:  
• sysexits.h:  
• ttyent.h:  

Next: , Up: Glibc Header File Substitutes   [Contents][Index]

11.1 a.out.h

Describes the structure of executables (and object files?) in the old a.out format.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.2 aliases.h

Defines the type struct aliasent and declares the functions setaliasent, endaliasent, getaliasent, getaliasent_r, getaliasbyname, getaliasbyname_r.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.3 alloca.h

Declares the alloca function of function-like macro.

Documentation:

Gnulib module: alloca

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.4 ar.h

Describes the structure of files produced by the ‘ar’ program. Defines the type struct ar_hdr and the macros ARMAG, SARMAG, ARFMAG.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.5 argp.h

Documentation:

Gnulib module: argp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.6 argz.h

Documentation:

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.7 byteswap.h

Defines the functions or function-like macros bswap_16, bswap_32, bswap_64.

Gnulib module: byteswap

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.8 crypt.h

Defines the type struct crypt_data and declares the functions crypt, crypt_r, setkey, setkey_r, encrypt, encrypt_r.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.9 endian.h

Describe’s the platform’s endianness (byte ordering of words stored in memory). Defines the macros BYTE_ORDER, LITTLE_ENDIAN, BIG_ENDIAN, PDP_ENDIAN.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.10 envz.h

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.11 err.h

Declares the functions warn, vwarn, warnx, vwarnx, err, verr, errx, verrx.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.12 error.h

Declares the functions error, error_at_line and the variables error_print_progname, error_message_count, error_one_per_line.

Documentation:

Gnulib module: error

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.13 execinfo.h

Declares the functions backtrace, backtrace_symbols, backtrace_symbols_fd.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.14 fpu_control.h

Handling of the FPU control word. Defines the fpu_control_t type, declares the __fpu_control variable, and defines the _FPU_GETCW, _FPU_SETCW macros.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.15 fstab.h

Defines the type struct fstab, the macros FSTAB_*, _PATH_FSTAB, and declares the functions setfsent, endfsent, getfsent, getfsspec, getfsfile.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.16 fts.h

Defines the types FTS, FTSENT and the macros FTS_*, and declares the functions fts_open, fts_read, fts_children, fts_set, fts_close.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.17 getopt.h

Defines the type struct option and declares the variables optarg, optind, opterr, optopt and the functions getopt, getopt_long, getopt_long_only.

Documentation:

Gnulib module: getopt-gnu

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.18 gshadow.h

Defines the type struct sgrp and declares the functions setsgent, endsgent, getsgent, getsgnam, sgetsgent, fgetsgent, putsgent, getsgent_r, getsgnam_r, sgetsgent_r, fgetsgent_r.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.19 ieee754.h

Defines the types union ieee754_float, union ieee754_double, union ieee854_long_double.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.20 ifaddrs.h

Defines the type struct ifaddrs and declares the functions getifaddrs, freeifaddrs.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.21 libintl.h

Defines the macros __USE_GNU_GETTEXT, __GNU_GETTEXT_SUPPORTED_REVISION, and declares the functions gettext, dgettext, dcgettext, ngettext, dngettext, dcngettext, textdomain, bindtextdomain, bind_textdomain_codeset.

Documentation:

Gnulib module: gettext

Portability problems fixed by Gnulib, if GNU gettext is installed:

Portability problems not fixed by Gnulib:

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11.22 mcheck.h

Defines the type enum mcheck_status and declares the functions mcheck, mcheck_pedantic, mcheck_check_all, mprobe, mtrace, muntrace.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.23 mntent.h

Defines the type struct mntent and the macros MNTTAB, MOUNTED, MNTTYPE_*, MNTOPT_*, and declares the functions setmntent, getmntent, getmntent_r, addmntent, endmntent, hasmntopt.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Gnulib module mountlist provides a higher-level abstraction.

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11.24 obstack.h

Documentation:

Gnulib module: obstack

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.25 paths.h

Defines the macros _PATH_*.

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.26 printf.h

Defines the type struct printf_info and the macros and enum values PA_*, and declares the functions printf_function, printf_arginfo_function, register_printf_function, parse_printf_format, printf_size, printf_size_info.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.27 pty.h

Declares the functions openpty and forkpty.

Documentation:

Gnulib module: pty

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.28 resolv.h

Defines the types res_sendhookact, res_send_qhook, res_send_rhook, res_state, struct res_sym and the macros _PATH_RESCONF, RES_*, and declares the functions fp_nquery, fp_query, hostalias, p_query, res_close, res_init, res_isourserver, res_mkquery, res_query, res_querydomain, res_search, res_send.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.29 shadow.h

Defines the type struct spwd and declares the functions setspent, endspent, getspent, getspent_r, getspnam, getspnam_r, sgetspent, sgetspent_r, fgetspent, fgetspent_r, putspent, lckpwdf, ulckpwdf.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.30 sys/ioctl.h

Declares the function ioctl.

Documentation:

Gnulib module: sys_ioctl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.31 sysexits.h

Defines the EX_* macros, including EX_OK.

Gnulib module: sysexits

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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11.32 ttyent.h

Defines the type struct ttyent and declares the functions setttyent, endttyent, getttyent, getttynam.

Documentation:

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12 Glibc Function Substitutes

This chapter describes which functions and function-like macros provided as extensions by at least GNU libc are also supported by Gnulib, which portability pitfalls are fixed by Gnulib, and which (known) portability problems are not worked around by Gnulib.

The notation “Gnulib module: —” means that Gnulib does not provide a module providing a substitute for the function. When the list “Portability problems not fixed by Gnulib” is empty, such a module is not needed: No portability problems are known. Otherwise, it indicates that such a module would be useful but is not available: No one so far found this function important enough to contribute a substitute for it. If you need this particular function, you may write to <bug-gnulib at gnu dot org>.

This list of functions is sorted according to the header that declares them.

• Glibc aio.h:  
• Glibc aliases.h:  
• Glibc argp.h:  
• Glibc argz.h:  
• Glibc arpa/inet.h:  
• Glibc byteswap.h:  
• Glibc complex.h:  
• Glibc crypt.h:  
• Glibc ctype.h:  
• Glibc dirent.h:  
• Glibc dlfcn.h:  
• Glibc envz.h:  
• Glibc err.h:  
• Glibc errno.h:  
• Glibc error.h:  
• Glibc execinfo.h:  
• Glibc fcntl.h:  
• Glibc fenv.h:  
• Glibc fmtmsg.h:  
• Glibc fstab.h:  
• Glibc fts.h:  
• Glibc getopt.h:  
• Glibc glob.h:  
• Glibc gnu/libc-version.h:  
• Glibc grp.h:  
• Glibc gshadow.h:  
• Glibc ifaddrs.h:  
• Glibc libintl.h:  
• Glibc link.h:  
• Glibc malloc.h:  
• Glibc math.h:  
• Glibc mcheck.h:  
• Glibc mntent.h:  
• Glibc netdb.h:  
• Glibc netinet/ether.h:  
• Glibc netinet/in.h:  
• Glibc obstack.h:  
• Glibc printf.h:  
• Glibc pthread.h:  
• Glibc pty.h:  
• Glibc pwd.h:  
• Glibc regex.h:  
• Glibc regexp.h:  
• Glibc resolv.h:  
• Glibc rpc/auth.h:  
• Glibc rpc/auth_des.h:  
• Glibc rpc/auth_unix.h:  
• Glibc rpc/clnt.h:  
• Glibc rpc/des_crypt.h:  
• Glibc rpc/key_prot.h:  
• Glibc rpc/netdb.h:  
• Glibc rpc/pmap_clnt.h:  
• Glibc rpc/pmap_prot.h:  
• Glibc rpc/pmap_rmt.h:  
• Glibc rpc/rpc_msg.h:  
• Glibc rpc/svc.h:  
• Glibc rpc/xdr.h:  
• Glibc rpcsvc/nislib.h:  
• Glibc rpcsvc/nis_callback.h:  
• Glibc rpcsvc/yp.h:  
• Glibc rpcsvc/yp_prot.h:  
• Glibc rpcsvc/ypclnt.h:  
• Glibc rpcsvc/ypupd.h:  
• Glibc sched.h:  
• Glibc search.h:  
• Glibc selinux/selinux.h:  
• Glibc shadow.h:  
• Glibc signal.h:  
• Glibc stdio.h:  
• Glibc stdlib.h:  
• Glibc string.h:  
• Glibc sys/capability.h:  
• Glibc sys/epoll.h:  
• Glibc sys/fanotify.h:  
• Glibc sys/file.h:  
• Glibc sys/fsuid.h:  
• Glibc sys/gmon.h:  
• Glibc sys/io.h and sys/perm.h:  
• Glibc sys/kdaemon.h:  
• Glibc sys/klog.h:  
• Glibc sys/mman.h:  
• Glibc sys/mount.h:  
• Glibc sys/personality.h:  
• Glibc sys/prctl.h:  
• Glibc sys/profil.h:  
• Glibc sys/ptrace.h:  
• Glibc sys/quota.h:  
• Glibc sys/reboot.h:  
• Glibc sys/resource.h:  
• Glibc sys/sem.h:  
• Glibc sys/sendfile.h:  
• Glibc sys/socket.h:  
• Glibc sys/stat.h:  
• Glibc sys/statfs.h:  
• Glibc sys/swap.h:  
• Glibc sys/sysctl.h:  
• Glibc sys/sysinfo.h:  
• Glibc sys/syslog.h:  
• Glibc sys/sysmacros.h:  
• Glibc sys/time.h:  
• Glibc sys/timex.h:  
• Glibc sys/uio.h:  
• Glibc sys/ustat.h:  
• Glibc sys/vlimit.h:  
• Glibc sys/vm86.h:  
• Glibc sys/vtimes.h:  
• Glibc sys/wait.h:  
• Glibc sys/xattr.h:  
• Glibc termios.h:  
• Glibc time.h:  
• Glibc ttyent.h:  
• Glibc unistd.h:  
• Glibc utmp.h:  
• Glibc utmpx.h:  
• Glibc wchar.h:  

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12.1 Glibc Extensions to <aio.h>

• aio_init:  

Up: Glibc aio.h   [Contents][Index]

12.1.1 aio_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.2 Glibc <aliases.h>

• endaliasent:  
• getaliasbyname:  
• getaliasbyname_r:  
• getaliasent:  
• getaliasent_r:  
• setaliasent:  

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12.2.1 endaliasent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.2.2 getaliasbyname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.2.3 getaliasbyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.2.4 getaliasent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.2.5 getaliasent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc aliases.h   [Contents][Index]

12.2.6 setaliasent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3 Glibc <argp.h>

• argp_err_exit_status:  
• argp_error:  
• argp_failure:  
• argp_help:  
• argp_parse:  
• argp_program_bug_address:  
• argp_program_version:  
• argp_program_version_hook:  
• argp_state_help:  
• argp_usage:  

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12.3.1 argp_err_exit_status

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.2 argp_error

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.3 argp_failure

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.4 argp_help

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.5 argp_parse

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.6 argp_program_bug_address

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.7 argp_program_version

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.8 argp_program_version_hook

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.9 argp_state_help

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.3.10 argp_usage

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4 Glibc <argz.h>

• argz_add:  
• argz_add_sep:  
• argz_append:  
• argz_count:  
• argz_create:  
• argz_create_sep:  
• argz_delete:  
• argz_extract:  
• argz_insert:  
• argz_next:  
• argz_replace:  
• argz_stringify:  

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12.4.1 argz_add

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.2 argz_add_sep

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.3 argz_append

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.4 argz_count

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.5 argz_create

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.6 argz_create_sep

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.7 argz_delete

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.8 argz_extract

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.9 argz_insert

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.10 argz_next

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.4.11 argz_replace

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc argz.h   [Contents][Index]

12.4.12 argz_stringify

Gnulib module: argz

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.5 Glibc Extensions to <arpa/inet.h>

• inet_aton:  
• inet_lnaof:  
• inet_makeaddr:  
• inet_net_ntop:  
• inet_net_pton:  
• inet_neta:  
• inet_netof:  
• inet_network:  
• inet_nsap_addr:  
• inet_nsap_ntoa:  

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12.5.1 inet_aton

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.5.2 inet_lnaof

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.5.3 inet_makeaddr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.4 inet_net_ntop

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.5 inet_net_pton

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.6 inet_neta

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.7 inet_netof

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.8 inet_network

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.9 inet_nsap_addr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc arpa/inet.h   [Contents][Index]

12.5.10 inet_nsap_ntoa

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.6 Glibc <byteswap.h>

• bswap_16:  
• bswap_32:  
• bswap_64:  

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12.6.1 bswap_16

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc byteswap.h   [Contents][Index]

12.6.2 bswap_32

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc byteswap.h   [Contents][Index]

12.6.3 bswap_64

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.7 Glibc Extensions to <complex.h>

• clog10:  
• clog10f:  
• clog10l:  

Next: , Up: Glibc complex.h   [Contents][Index]

12.7.1 clog10

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc complex.h   [Contents][Index]

12.7.2 clog10f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc complex.h   [Contents][Index]

12.7.3 clog10l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.8 Glibc <crypt.h>

• crypt_r:  
• encrypt_r:  
• setkey_r:  

Next: , Up: Glibc crypt.h   [Contents][Index]

12.8.1 crypt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc crypt.h   [Contents][Index]

12.8.2 encrypt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc crypt.h   [Contents][Index]

12.8.3 setkey_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.9 Glibc Extensions to <ctype.h>

• isctype:  

Up: Glibc ctype.h   [Contents][Index]

12.9.1 isctype

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.10 Glibc Extensions to <dirent.h>

• getdirentries:  
• scandirat:  
• versionsort:  

Next: , Up: Glibc dirent.h   [Contents][Index]

12.10.1 getdirentries

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc dirent.h   [Contents][Index]

12.10.2 scandirat

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc dirent.h   [Contents][Index]

12.10.3 versionsort

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.11 Glibc Extensions to <dlfcn.h>

• dladdr:  
• dladdr1:  
• dlinfo:  
• dlmopen:  
• dlvsym:  

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12.11.1 dladdr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc dlfcn.h   [Contents][Index]

12.11.2 dladdr1

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc dlfcn.h   [Contents][Index]

12.11.3 dlinfo

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc dlfcn.h   [Contents][Index]

12.11.4 dlmopen

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc dlfcn.h   [Contents][Index]

12.11.5 dlvsym

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.12 Glibc <envz.h>

• envz_add:  
• envz_entry:  
• envz_get:  
• envz_merge:  
• envz_remove:  
• envz_strip:  

Next: , Up: Glibc envz.h   [Contents][Index]

12.12.1 envz_add

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc envz.h   [Contents][Index]

12.12.2 envz_entry

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc envz.h   [Contents][Index]

12.12.3 envz_get

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc envz.h   [Contents][Index]

12.12.4 envz_merge

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc envz.h   [Contents][Index]

12.12.5 envz_remove

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc envz.h   [Contents][Index]

12.12.6 envz_strip

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.13 Glibc <err.h>

• err:  
• errx:  
• verr:  
• verrx:  
• vwarn:  
• vwarnx:  
• warn:  
• warnx:  

Next: , Up: Glibc err.h   [Contents][Index]

12.13.1 err

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.2 errx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.3 verr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.4 verrx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.5 vwarn

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.6 vwarnx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc err.h   [Contents][Index]

12.13.7 warn

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc err.h   [Contents][Index]

12.13.8 warnx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.14 Glibc Extensions to <errno.h>

• program_invocation_name:  
• program_invocation_short_name:  

Next: , Up: Glibc errno.h   [Contents][Index]

12.14.1 program_invocation_name

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc errno.h   [Contents][Index]

12.14.2 program_invocation_short_name

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.15 Glibc <error.h>

• error:  
• error_at_line:  
• error_message_count:  
• error_one_per_line:  
• error_print_progname:  

Next: , Up: Glibc error.h   [Contents][Index]

12.15.1 error

Gnulib module: error

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc error.h   [Contents][Index]

12.15.2 error_at_line

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc error.h   [Contents][Index]

12.15.3 error_message_count

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc error.h   [Contents][Index]

12.15.4 error_one_per_line

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc error.h   [Contents][Index]

12.15.5 error_print_progname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.16 Glibc <execinfo.h>

• backtrace:  
• backtrace_symbols:  
• backtrace_symbols_fd:  

Next: , Up: Glibc execinfo.h   [Contents][Index]

12.16.1 backtrace

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc execinfo.h   [Contents][Index]

12.16.2 backtrace_symbols

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc execinfo.h   [Contents][Index]

12.16.3 backtrace_symbols_fd

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.17 Glibc Extensions to <fcntl.h>

• fallocate:  
• name_to_handle_at:  
• readahead:  
• open_by_handle_at:  

Next: , Up: Glibc fcntl.h   [Contents][Index]

12.17.1 fallocate

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fcntl.h   [Contents][Index]

12.17.2 name_to_handle_at

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fcntl.h   [Contents][Index]

12.17.3 readahead

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc fcntl.h   [Contents][Index]

12.17.4 open_by_handle_at

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.18 Glibc Extensions to <fenv.h>

• fedisableexcept:  
• feenableexcept:  
• fegetexcept:  

Next: , Up: Glibc fenv.h   [Contents][Index]

12.18.1 fedisableexcept

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fenv.h   [Contents][Index]

12.18.2 feenableexcept

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc fenv.h   [Contents][Index]

12.18.3 fegetexcept

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.19 Glibc Extensions to <fmtmsg.h>

• addseverity:  

Up: Glibc fmtmsg.h   [Contents][Index]

12.19.1 addseverity

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.20 Glibc <fstab.h>

• endfsent:  
• getfsent:  
• getfsfile:  
• getfsspec:  
• setfsent:  

Next: , Up: Glibc fstab.h   [Contents][Index]

12.20.1 endfsent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fstab.h   [Contents][Index]

12.20.2 getfsent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fstab.h   [Contents][Index]

12.20.3 getfsfile

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fstab.h   [Contents][Index]

12.20.4 getfsspec

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc fstab.h   [Contents][Index]

12.20.5 setfsent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.21 Glibc <fts.h>

• fts_children:  
• fts_close:  
• fts_open:  
• fts_read:  
• fts_set:  

Next: , Up: Glibc fts.h   [Contents][Index]

12.21.1 fts_children

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fts.h   [Contents][Index]

12.21.2 fts_close

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fts.h   [Contents][Index]

12.21.3 fts_open

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc fts.h   [Contents][Index]

12.21.4 fts_read

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc fts.h   [Contents][Index]

12.21.5 fts_set

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.22 Glibc <getopt.h>

• getopt_long:  
• getopt_long_only:  

Next: , Up: Glibc getopt.h   [Contents][Index]

12.22.1 getopt_long

Gnulib module: getopt-gnu

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc getopt.h   [Contents][Index]

12.22.2 getopt_long_only

Gnulib module: getopt-gnu

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.23 Glibc Extensions to <glob.h>

• glob_pattern_p:  

Up: Glibc glob.h   [Contents][Index]

12.23.1 glob_pattern_p

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.24 Glibc Extensions to <gnu/libc-version.h>

• gnu_get_libc_release:  
• gnu_get_libc_version:  

Next: , Up: Glibc gnu/libc-version.h   [Contents][Index]

12.24.1 gnu_get_libc_release

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc gnu/libc-version.h   [Contents][Index]

12.24.2 gnu_get_libc_version

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.25 Glibc Extensions to <grp.h>

• fgetgrent:  
• fgetgrent_r:  
• getgrent_r:  
• getgrouplist:  
• initgroups:  
• putgrent:  
• setgroups:  

Next: , Up: Glibc grp.h   [Contents][Index]

12.25.1 fgetgrent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.2 fgetgrent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.3 getgrent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.4 getgrouplist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The Gnulib module getugroups provides a similar API.

Next: , Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.5 initgroups

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.6 putgrent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc grp.h   [Contents][Index]

12.25.7 setgroups

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.26 Glibc <gshadow.h>

• endsgent:  
• fgetsgent:  
• fgetsgent_r:  
• getsgent:  
• getsgent_r:  
• getsgnam:  
• getsgnam_r:  
• putsgent:  
• setsgent:  
• sgetsgent:  
• sgetsgent_r:  

Next: , Up: Glibc gshadow.h   [Contents][Index]

12.26.1 endsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.2 fgetsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.3 fgetsgent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.4 getsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.5 getsgent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.6 getsgnam

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.7 getsgnam_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.8 putsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.9 setsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.10 sgetsgent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc gshadow.h   [Contents][Index]

12.26.11 sgetsgent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.27 Glibc <ifaddrs.h>

• getifaddrs:  
• freeifaddrs:  

Next: , Up: Glibc ifaddrs.h   [Contents][Index]

12.27.1 getifaddrs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc ifaddrs.h   [Contents][Index]

12.27.2 freeifaddrs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.28 Glibc <libintl.h>

• bind_textdomain_codeset:  
• bindtextdomain:  
• dcgettext:  
• dcngettext:  
• dgettext:  
• dngettext:  
• gettext:  
• ngettext:  
• textdomain:  

Next: , Up: Glibc libintl.h   [Contents][Index]

12.28.1 bind_textdomain_codeset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.2 bindtextdomain

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.3 dcgettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.4 dcngettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.5 dgettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.6 dngettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.7 gettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.8 ngettext

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc libintl.h   [Contents][Index]

12.28.9 textdomain

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.29 Glibc <link.h>

• dl_iterate_phdr:  

Up: Glibc link.h   [Contents][Index]

12.29.1 dl_iterate_phdr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.30 Glibc <malloc.h>

• mallinfo:  
• malloc_get_state:  
• malloc_set_state:  
• malloc_info:  
• malloc_stats:  
• malloc_trim:  
• malloc_usable_size:  
• mallopt:  
• memalign:  
• pvalloc:  

Next: , Up: Glibc malloc.h   [Contents][Index]

12.30.1 mallinfo

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc malloc.h   [Contents][Index]

12.30.2 malloc_get_state

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc malloc.h   [Contents][Index]

12.30.3 malloc_set_state

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc malloc.h   [Contents][Index]

12.30.4 malloc_info

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc malloc.h   [Contents][Index]

12.30.5 malloc_stats

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.30.6 malloc_trim

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.30.7 malloc_usable_size

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.30.8 mallopt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.30.9 memalign

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc malloc.h   [Contents][Index]

12.30.10 pvalloc

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31 Glibc Extensions to <math.h>

• drem:  
• dremf:  
• dreml:  
• exp10:  
• exp10f:  
• exp10l:  
• finite:  
• finitef:  
• finitel:  
• gamma:  
• gammaf:  
• gammal:  
• isinff:  
• isinfl:  
• isnanf:  
• isnanl:  
• j0f:  
• j0l:  
• j1f:  
• j1l:  
• jnf:  
• jnl:  
• lgamma_r:  
• lgammaf_r:  
• lgammal_r:  
• matherr:  
• pow10:  
• pow10f:  
• pow10l:  
• scalbf:  
• scalbl:  
• significand:  
• significandf:  
• significandl:  
• sincos:  
• sincosf:  
• sincosl:  
• y0f:  
• y0l:  
• y1f:  
• y1l:  
• ynf:  
• ynl:  

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12.31.1 drem

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.2 dremf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.3 dreml

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.4 exp10

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.5 exp10f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.6 exp10l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.7 finite

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.8 finitef

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.9 finitel

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.10 gamma

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.11 gammaf

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.31.12 gammal

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.13 isinff

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.14 isinfl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.15 isnanf

Gnulib module: isnanf

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.16 isnanl

Gnulib module: isnanl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.17 j0f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.18 j0l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.19 j1f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.20 j1l

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.31.21 jnf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.22 jnl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.23 lgamma_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.24 lgammaf_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.25 lgammal_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.26 matherr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.27 pow10

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.28 pow10f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.29 pow10l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.30 scalbf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.31 scalbl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.32 significand

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.33 significandf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.34 significandl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.35 sincos

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.36 sincosf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.37 sincosl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.31.38 y0f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.39 y0l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.40 y1f

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.41 y1l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc math.h   [Contents][Index]

12.31.42 ynf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc math.h   [Contents][Index]

12.31.43 ynl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.32 Glibc <mcheck.h>

• mcheck:  
• mcheck_check_all:  
• mcheck_pedantic:  
• mprobe:  
• mtrace:  
• muntrace:  

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12.32.1 mcheck

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc mcheck.h   [Contents][Index]

12.32.2 mcheck_check_all

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.32.3 mcheck_pedantic

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.32.4 mprobe

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc mcheck.h   [Contents][Index]

12.32.5 mtrace

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc mcheck.h   [Contents][Index]

12.32.6 muntrace

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.33 Glibc <mntent.h>

• addmntent:  
• endmntent:  
• getmntent:  
• getmntent_r:  
• hasmntopt:  
• setmntent:  

Next: , Up: Glibc mntent.h   [Contents][Index]

12.33.1 addmntent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.33.2 endmntent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.33.3 getmntent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.33.4 getmntent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.33.5 hasmntopt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc mntent.h   [Contents][Index]

12.33.6 setmntent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34 Glibc Extensions to <netdb.h>

• endnetgrent:  
• gethostbyaddr_r:  
• gethostbyname2:  
• gethostbyname2_r:  
• gethostbyname_r:  
• gethostent_r:  
• getnetbyaddr_r:  
• getnetbyname_r:  
• getnetent_r:  
• getnetgrent:  
• getnetgrent_r:  
• getprotobyname_r:  
• getprotobynumber_r:  
• getprotoent_r:  
• getservbyname_r:  
• getservbyport_r:  
• getservent_r:  
• herror:  
• hstrerror:  
• innetgr:  
• rcmd:  
• rcmd_af:  
• rexec:  
• rexec_af:  
• rresvport:  
• rresvport_af:  
• ruserok:  
• ruserok_af:  
• setnetgrent:  

Next: , Up: Glibc netdb.h   [Contents][Index]

12.34.1 endnetgrent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.2 gethostbyaddr_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.3 gethostbyname2

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.4 gethostbyname2_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.5 gethostbyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.6 gethostent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.7 getnetbyaddr_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.8 getnetbyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.9 getnetent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.10 getnetgrent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.11 getnetgrent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.12 getprotobyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.13 getprotobynumber_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.14 getprotoent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.15 getservbyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.16 getservbyport_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.17 getservent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.18 herror

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netdb.h   [Contents][Index]

12.34.19 hstrerror

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.20 innetgr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.21 rcmd

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.22 rcmd_af

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.23 rexec

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.24 rexec_af

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.25 rresvport

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.26 rresvport_af

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.27 ruserok

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.34.28 ruserok_af

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc netdb.h   [Contents][Index]

12.34.29 setnetgrent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35 Glibc <netinet/ether.h>

• ether_aton:  
• ether_aton_r:  
• ether_hostton:  
• ether_line:  
• ether_ntoa:  
• ether_ntoa_r:  
• ether_ntohost:  

Next: , Up: Glibc netinet/ether.h   [Contents][Index]

12.35.1 ether_aton

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.2 ether_aton_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.3 ether_hostton

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.4 ether_line

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.5 ether_ntoa

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.6 ether_ntoa_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.35.7 ether_ntohost

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36 Glibc Extensions to <netinet/in.h>

• bindresvport:  
• getipv4sourcefilter:  
• getsourcefilter:  
• in6addr_any:  
• in6addr_loopback:  
• inet6_option_alloc:  
• inet6_option_append:  
• inet6_option_find:  
• inet6_option_init:  
• inet6_option_next:  
• inet6_option_space:  
• inet6_opt_append:  
• inet6_opt_find:  
• inet6_opt_finish:  
• inet6_opt_get_val:  
• inet6_opt_init:  
• inet6_opt_next:  
• inet6_opt_set_val:  
• inet6_rth_add:  
• inet6_rth_getaddr:  
• inet6_rth_init:  
• inet6_rth_reverse:  
• inet6_rth_segments:  
• inet6_rth_space:  
• setipv4sourcefilter:  
• setsourcefilter:  

Next: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.1 bindresvport

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.2 getipv4sourcefilter

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.3 getsourcefilter

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.4 in6addr_any

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.5 in6addr_loopback

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.6 inet6_option_alloc

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.7 inet6_option_append

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.8 inet6_option_find

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.9 inet6_option_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.10 inet6_option_next

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.11 inet6_option_space

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.12 inet6_opt_append

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.13 inet6_opt_find

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.14 inet6_opt_finish

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.15 inet6_opt_get_val

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.16 inet6_opt_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.17 inet6_opt_next

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.18 inet6_opt_set_val

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.36.19 inet6_rth_add

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.20 inet6_rth_getaddr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.21 inet6_rth_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.22 inet6_rth_reverse

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.23 inet6_rth_segments

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.24 inet6_rth_space

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.25 setipv4sourcefilter

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc netinet/in.h   [Contents][Index]

12.36.26 setsourcefilter

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.37 Glibc <obstack.h>

• obstack_alloc_failed_handler:  
• obstack_exit_failure:  
• obstack_free:  
• obstack_printf:  
• obstack_vprintf:  

Next: , Up: Glibc obstack.h   [Contents][Index]

12.37.1 obstack_alloc_failed_handler

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc obstack.h   [Contents][Index]

12.37.2 obstack_exit_failure

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.37.3 obstack_free

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc obstack.h   [Contents][Index]

12.37.4 obstack_printf

Gnulib module: obstack-printf or obstack-printf-posix

Portability problems fixed by either Gnulib module obstack-printf or obstack-printf-posix:

Portability problems fixed by Gnulib module ostack-printf-posix:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc obstack.h   [Contents][Index]

12.37.5 obstack_vprintf

Gnulib module: obstack-printf or obstack-printf-posix

Portability problems fixed by either Gnulib module obstack-printf or obstack-printf-posix:

Portability problems fixed by Gnulib module ostack-printf-posix:

Portability problems not fixed by Gnulib:

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12.38 Glibc <printf.h>

• parse_printf_format:  
• printf_size:  
• printf_size_info:  
• register_printf_function:  
• register_printf_modifier:  
• register_printf_specifier:  
• register_printf_type:  

Next: , Up: Glibc printf.h   [Contents][Index]

12.38.1 parse_printf_format

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.2 printf_size

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.3 printf_size_info

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.4 register_printf_function

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.5 register_printf_modifier

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.6 register_printf_specifier

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc printf.h   [Contents][Index]

12.38.7 register_printf_type

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.39 Glibc Extensions to <pthread.h>

• pthread_attr_getaffinity_np:  
• pthread_attr_setaffinity_np:  
• pthread_getaffinity_np:  
• pthread_getattr_np:  
• pthread_getname_np:  
• pthread_kill_other_threads_np:  
• pthread_mutex_consistent_np:  
• pthread_mutexattr_getrobust_np:  
• pthread_mutexattr_setrobust_np:  
• pthread_rwlockattr_getkind_np:  
• pthread_rwlockattr_setkind_np:  
• pthread_setaffinity_np:  
• pthread_setname_np:  
• pthread_sigqueue:  
• pthread_timedjoin_np:  
• pthread_tryjoin_np:  
• pthread_yield:  

Next: , Up: Glibc pthread.h   [Contents][Index]

12.39.1 pthread_attr_getaffinity_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.2 pthread_attr_setaffinity_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.3 pthread_getaffinity_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.4 pthread_getattr_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.5 pthread_getname_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.6 pthread_kill_other_threads_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.7 pthread_mutex_consistent_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.8 pthread_mutexattr_getrobust_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

This function has now been standardized by POSIX under the name pthread_mutexattr_getrobust.

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.9 pthread_mutexattr_setrobust_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

This function has now been standardized by POSIX under the name pthread_mutexattr_setrobust.

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.10 pthread_rwlockattr_getkind_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.11 pthread_rwlockattr_setkind_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.12 pthread_setaffinity_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.13 pthread_setname_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.14 pthread_sigqueue

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.15 pthread_timedjoin_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.16 pthread_tryjoin_np

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc pthread.h   [Contents][Index]

12.39.17 pthread_yield

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.40 Glibc <pty.h>

• forkpty:  
• openpty:  

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12.40.1 forkpty

Gnulib module: forkpty

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc pty.h   [Contents][Index]

12.40.2 openpty

Gnulib module: openpty

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.41 Glibc Extensions to <pwd.h>

• fgetpwent:  
• fgetpwent_r:  
• getpw:  
• getpwent_r:  
• putpwent:  

Next: , Up: Glibc pwd.h   [Contents][Index]

12.41.1 fgetpwent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pwd.h   [Contents][Index]

12.41.2 fgetpwent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pwd.h   [Contents][Index]

12.41.3 getpw

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc pwd.h   [Contents][Index]

12.41.4 getpwent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc pwd.h   [Contents][Index]

12.41.5 putpwent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.42 Glibc Extensions to <regex.h>

• re_comp:  
• re_compile_fastmap:  
• re_compile_pattern:  
• re_exec:  
• re_match:  
• re_match_2:  
• re_search:  
• re_search_2:  
• re_set_registers:  
• re_set_syntax:  
• re_syntax_options:  

Next: , Up: Glibc regex.h   [Contents][Index]

12.42.1 re_comp

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.2 re_compile_fastmap

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.3 re_compile_pattern

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.4 re_exec

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.5 re_match

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.6 re_match_2

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.7 re_search

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.8 re_search_2

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.9 re_set_registers

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.10 re_set_syntax

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc regex.h   [Contents][Index]

12.42.11 re_syntax_options

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.43 Glibc <regexp.h>

• advance:  
• loc1:  
• loc2:  
• locs:  
• step:  

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12.43.1 advance

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regexp.h   [Contents][Index]

12.43.2 loc1

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regexp.h   [Contents][Index]

12.43.3 loc2

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc regexp.h   [Contents][Index]

12.43.4 locs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc regexp.h   [Contents][Index]

12.43.5 step

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.44 Glibc <resolv.h>

• dn_expand:  
• res_init:  
• res_mkquery:  
• res_query:  
• res_querydomain:  
• res_search:  

Next: , Up: Glibc resolv.h   [Contents][Index]

12.44.1 dn_expand

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc resolv.h   [Contents][Index]

12.44.2 res_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc resolv.h   [Contents][Index]

12.44.3 res_mkquery

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc resolv.h   [Contents][Index]

12.44.4 res_query

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc resolv.h   [Contents][Index]

12.44.5 res_querydomain

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc resolv.h   [Contents][Index]

12.44.6 res_search

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.45 Glibc <rpc/auth.h>

• authdes_create:  
• authdes_pk_create:  
• authnone_create:  
• authunix_create:  
• authunix_create_default:  
• getnetname:  
• host2netname:  
• key_decryptsession:  
• key_decryptsession_pk:  
• key_encryptsession:  
• key_encryptsession_pk:  
• key_gendes:  
• key_get_conv:  
• key_secretkey_is_set:  
• key_setsecret:  
• netname2host:  
• netname2user:  
• user2netname:  
• xdr_des_block:  
• xdr_opaque_auth:  

Next: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.1 authdes_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.2 authdes_pk_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.3 authnone_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.4 authunix_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.5 authunix_create_default

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.6 getnetname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.7 host2netname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.8 key_decryptsession

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.9 key_decryptsession_pk

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.10 key_encryptsession

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.11 key_encryptsession_pk

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.12 key_gendes

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.13 key_get_conv

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.14 key_secretkey_is_set

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.15 key_setsecret

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.16 netname2host

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.17 netname2user

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.18 user2netname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.19 xdr_des_block

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc rpc/auth.h   [Contents][Index]

12.45.20 xdr_opaque_auth

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.46 Glibc <rpc/auth_des.h>

• authdes_getucred:  
• getpublickey:  
• getsecretkey:  
• rtime:  

Next: , Up: Glibc rpc/auth_des.h   [Contents][Index]

12.46.1 authdes_getucred

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth_des.h   [Contents][Index]

12.46.2 getpublickey

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpc/auth_des.h   [Contents][Index]

12.46.3 getsecretkey

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc rpc/auth_des.h   [Contents][Index]

12.46.4 rtime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.47 Glibc <rpc/auth_unix.h>

• xdr_authunix_parms:  

Up: Glibc rpc/auth_unix.h   [Contents][Index]

12.47.1 xdr_authunix_parms

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.48 Glibc <rpc/clnt.h>

• callrpc:  
• clnt_create:  
• clnt_pcreateerror:  
• clnt_perrno:  
• clnt_perror:  
• clnt_spcreateerror:  
• clnt_sperrno:  
• clnt_sperror:  
• clntraw_create:  
• clnttcp_create:  
• clntudp_bufcreate:  
• clntudp_create:  
• clntunix_create:  
• get_myaddress:  
• getrpcport:  
• rpc_createerr:  

Next: , Up: Glibc rpc/clnt.h   [Contents][Index]

12.48.1 callrpc

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.48.2 clnt_create

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.48.3 clnt_pcreateerror

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.48.4 clnt_perrno

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.48.5 clnt_perror

Gnulib module: —

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12.48.6 clnt_spcreateerror

Gnulib module: —

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12.48.7 clnt_sperrno

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.48.8 clnt_sperror

Gnulib module: —

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12.48.9 clntraw_create

Gnulib module: —

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12.48.10 clnttcp_create

Gnulib module: —

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12.48.11 clntudp_bufcreate

Gnulib module: —

Portability problems fixed by Gnulib:

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12.48.12 clntudp_create

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.48.13 clntunix_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.48.14 get_myaddress

Gnulib module: —

Portability problems fixed by Gnulib:

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12.48.15 getrpcport

Gnulib module: —

Portability problems fixed by Gnulib:

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12.48.16 rpc_createerr

Gnulib module: —

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12.49 Glibc <rpc/des_crypt.h>

• cbc_crypt:  
• des_setparity:  
• ecb_crypt:  

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12.49.1 cbc_crypt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.49.2 des_setparity

Gnulib module: —

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12.49.3 ecb_crypt

Gnulib module: —

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12.50 Glibc <rpc/key_prot.h>

• xdr_cryptkeyarg:  
• xdr_cryptkeyarg2:  
• xdr_cryptkeyres:  
• xdr_getcredres:  
• xdr_key_netstarg:  
• xdr_key_netstres:  
• xdr_keybuf:  
• xdr_keystatus:  
• xdr_netnamestr:  
• xdr_unixcred:  

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12.50.1 xdr_cryptkeyarg

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.50.2 xdr_cryptkeyarg2

Gnulib module: —

Portability problems fixed by Gnulib:

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12.50.3 xdr_cryptkeyres

Gnulib module: —

Portability problems fixed by Gnulib:

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12.50.4 xdr_getcredres

Gnulib module: —

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12.50.5 xdr_key_netstarg

Gnulib module: —

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12.50.6 xdr_key_netstres

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.50.7 xdr_keybuf

Gnulib module: —

Portability problems fixed by Gnulib:

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12.50.8 xdr_keystatus

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.50.9 xdr_netnamestr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.50.10 xdr_unixcred

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51 Glibc <rpc/netdb.h>

• endrpcent:  
• getrpcbyname:  
• getrpcbyname_r:  
• getrpcbynumber:  
• getrpcbynumber_r:  
• getrpcent:  
• getrpcent_r:  
• setrpcent:  

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12.51.1 endrpcent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.2 getrpcbyname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.3 getrpcbyname_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.4 getrpcbynumber

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.5 getrpcbynumber_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.6 getrpcent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.7 getrpcent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.51.8 setrpcent

Gnulib module: —

Portability problems fixed by Gnulib:

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12.52 Glibc <rpc/pmap_clnt.h>

• clnt_broadcast:  
• pmap_getmaps:  
• pmap_getport:  
• pmap_rmtcall:  
• pmap_set:  
• pmap_unset:  

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12.52.1 clnt_broadcast

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.52.2 pmap_getmaps

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.52.3 pmap_getport

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.52.4 pmap_rmtcall

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.52.5 pmap_set

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.52.6 pmap_unset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.53 Glibc <rpc/pmap_prot.h>

• xdr_pmap:  
• xdr_pmaplist:  

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12.53.1 xdr_pmap

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.53.2 xdr_pmaplist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.54 Glibc <rpc/pmap_rmt.h>

• xdr_rmtcall_args:  
• xdr_rmtcallres:  

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12.54.1 xdr_rmtcall_args

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.54.2 xdr_rmtcallres

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.55 Glibc <rpc/rpc_msg.h>

• xdr_callhdr:  
• xdr_callmsg:  
• xdr_replymsg:  

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12.55.1 xdr_callhdr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.55.2 xdr_callmsg

Gnulib module: —

Portability problems fixed by Gnulib:

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12.55.3 xdr_replymsg

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56 Glibc <rpc/svc.h>

• svc_exit:  
• svc_fdset:  
• svc_getreq:  
• svc_getreq_common:  
• svc_getreq_poll:  
• svc_getreqset:  
• svc_max_pollfd:  
• svc_pollfd:  
• svc_register:  
• svc_run:  
• svc_sendreply:  
• svc_unregister:  
• svcerr_auth:  
• svcerr_decode:  
• svcerr_noproc:  
• svcerr_noprog:  
• svcerr_progvers:  
• svcerr_systemerr:  
• svcerr_weakauth:  
• svcraw_create:  
• svctcp_create:  
• svcudp_bufcreate:  
• svcudp_create:  
• svcunix_create:  
• xprt_register:  
• xprt_unregister:  

Next: , Up: Glibc rpc/svc.h   [Contents][Index]

12.56.1 svc_exit

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.2 svc_fdset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.3 svc_getreq

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.4 svc_getreq_common

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.5 svc_getreq_poll

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.6 svc_getreqset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.7 svc_max_pollfd

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.8 svc_pollfd

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.9 svc_register

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.10 svc_run

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.11 svc_sendreply

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.12 svc_unregister

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.13 svcerr_auth

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.14 svcerr_decode

Gnulib module: —

Portability problems fixed by Gnulib:

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12.56.15 svcerr_noproc

Gnulib module: —

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12.56.16 svcerr_noprog

Gnulib module: —

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12.56.17 svcerr_progvers

Gnulib module: —

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12.56.18 svcerr_systemerr

Gnulib module: —

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12.56.19 svcerr_weakauth

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.56.20 svcraw_create

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.56.21 svctcp_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.22 svcudp_bufcreate

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.23 svcudp_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.24 svcunix_create

Gnulib module: —

Portability problems fixed by Gnulib:

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12.56.25 xprt_register

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.56.26 xprt_unregister

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.57 Glibc <rpc/xdr.h>

• xdr_array:  
• xdr_bool:  
• xdr_bytes:  
• xdr_char:  
• xdr_double:  
• xdr_enum:  
• xdr_float:  
• xdr_free:  
• xdr_hyper:  
• xdr_int:  
• xdr_int16_t:  
• xdr_int32_t:  
• xdr_int64_t:  
• xdr_int8_t:  
• xdr_long:  
• xdr_longlong_t:  
• xdr_netobj:  
• xdr_opaque:  
• xdr_pointer:  
• xdr_quad_t:  
• xdr_reference:  
• xdr_short:  
• xdr_sizeof:  
• xdr_string:  
• xdr_u_char:  
• xdr_u_hyper:  
• xdr_u_int:  
• xdr_u_long:  
• xdr_u_longlong_t:  
• xdr_u_quad_t:  
• xdr_u_short:  
• xdr_uint16_t:  
• xdr_uint32_t:  
• xdr_uint64_t:  
• xdr_uint8_t:  
• xdr_union:  
• xdr_vector:  
• xdr_void:  
• xdr_wrapstring:  
• xdrmem_create:  
• xdrrec_create:  
• xdrrec_endofrecord:  
• xdrrec_eof:  
• xdrrec_skiprecord:  
• xdrstdio_create:  

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12.57.1 xdr_array

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.57.2 xdr_bool

Gnulib module: —

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12.57.3 xdr_bytes

Gnulib module: —

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12.57.4 xdr_char

Gnulib module: —

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12.57.5 xdr_double

Gnulib module: —

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12.57.6 xdr_enum

Gnulib module: —

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12.57.7 xdr_float

Gnulib module: —

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12.57.8 xdr_free

Gnulib module: —

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12.57.9 xdr_hyper

Gnulib module: —

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12.57.10 xdr_int

Gnulib module: —

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12.57.11 xdr_int16_t

Gnulib module: —

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12.57.12 xdr_int32_t

Gnulib module: —

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12.57.13 xdr_int64_t

Gnulib module: —

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12.57.14 xdr_int8_t

Gnulib module: —

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12.57.15 xdr_long

Gnulib module: —

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12.57.16 xdr_longlong_t

Gnulib module: —

Portability problems fixed by Gnulib:

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12.57.17 xdr_netobj

Gnulib module: —

Portability problems fixed by Gnulib:

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12.57.18 xdr_opaque

Gnulib module: —

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12.57.19 xdr_pointer

Gnulib module: —

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12.57.20 xdr_quad_t

Gnulib module: —

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12.57.21 xdr_reference

Gnulib module: —

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12.57.22 xdr_short

Gnulib module: —

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12.57.23 xdr_sizeof

Gnulib module: —

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12.57.24 xdr_string

Gnulib module: —

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12.57.25 xdr_u_char

Gnulib module: —

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12.57.26 xdr_u_hyper

Gnulib module: —

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12.57.27 xdr_u_int

Gnulib module: —

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12.57.28 xdr_u_long

Gnulib module: —

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12.57.29 xdr_u_longlong_t

Gnulib module: —

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12.57.30 xdr_u_quad_t

Gnulib module: —

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12.57.31 xdr_u_short

Gnulib module: —

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12.57.32 xdr_uint16_t

Gnulib module: —

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12.57.33 xdr_uint32_t

Gnulib module: —

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12.57.34 xdr_uint64_t

Gnulib module: —

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12.57.35 xdr_uint8_t

Gnulib module: —

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12.57.36 xdr_union

Gnulib module: —

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12.57.37 xdr_vector

Gnulib module: —

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12.57.38 xdr_void

Gnulib module: —

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12.57.39 xdr_wrapstring

Gnulib module: —

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12.57.40 xdrmem_create

Gnulib module: —

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12.57.41 xdrrec_create

Gnulib module: —

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12.57.42 xdrrec_endofrecord

Gnulib module: —

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12.57.43 xdrrec_eof

Gnulib module: —

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12.57.44 xdrrec_skiprecord

Gnulib module: —

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12.57.45 xdrstdio_create

Gnulib module: —

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12.58 Glibc <rpcsvc/nislib.h>

• nis_add:  
• nis_add_entry:  
• nis_addmember:  
• nis_checkpoint:  
• nis_clone_object:  
• nis_creategroup:  
• nis_destroy_object:  
• nis_destroygroup:  
• nis_dir_cmp:  
• nis_domain_of:  
• nis_domain_of_r:  
• nis_first_entry:  
• nis_freenames:  
• nis_freeresult:  
• nis_freeservlist:  
• nis_freetags:  
• nis_getnames:  
• nis_getservlist:  
• nis_ismember:  
• nis_leaf_of:  
• nis_leaf_of_r:  
• nis_lerror:  
• nis_list:  
• nis_local_directory:  
• nis_local_group:  
• nis_local_host:  
• nis_local_principal:  
• nis_lookup:  
• nis_mkdir:  
• nis_modify:  
• nis_modify_entry:  
• nis_name_of:  
• nis_name_of_r:  
• nis_next_entry:  
• nis_perror:  
• nis_ping:  
• nis_print_directory:  
• nis_print_entry:  
• nis_print_group:  
• nis_print_group_entry:  
• nis_print_link:  
• nis_print_object:  
• nis_print_result:  
• nis_print_rights:  
• nis_print_table:  
• nis_remove:  
• nis_remove_entry:  
• nis_removemember:  
• nis_rmdir:  
• nis_servstate:  
• nis_sperrno:  
• nis_sperror:  
• nis_sperror_r:  
• nis_stats:  
• nis_verifygroup:  

Next: , Up: Glibc rpcsvc/nislib.h   [Contents][Index]

12.58.1 nis_add

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.2 nis_add_entry

Gnulib module: —

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12.58.3 nis_addmember

Gnulib module: —

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12.58.4 nis_checkpoint

Gnulib module: —

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12.58.5 nis_clone_object

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.6 nis_creategroup

Gnulib module: —

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12.58.7 nis_destroy_object

Gnulib module: —

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12.58.8 nis_destroygroup

Gnulib module: —

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12.58.9 nis_dir_cmp

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.10 nis_domain_of

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.11 nis_domain_of_r

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.12 nis_first_entry

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.13 nis_freenames

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.14 nis_freeresult

Gnulib module: —

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12.58.15 nis_freeservlist

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.16 nis_freetags

Gnulib module: —

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12.58.17 nis_getnames

Gnulib module: —

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12.58.18 nis_getservlist

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.19 nis_ismember

Gnulib module: —

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12.58.20 nis_leaf_of

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.21 nis_leaf_of_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.22 nis_lerror

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.23 nis_list

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.24 nis_local_directory

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.25 nis_local_group

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.26 nis_local_host

Gnulib module: —

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12.58.27 nis_local_principal

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.28 nis_lookup

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.29 nis_mkdir

Gnulib module: —

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12.58.30 nis_modify

Gnulib module: —

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12.58.31 nis_modify_entry

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.32 nis_name_of

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.33 nis_name_of_r

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.34 nis_next_entry

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.35 nis_perror

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.36 nis_ping

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.37 nis_print_directory

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.38 nis_print_entry

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.39 nis_print_group

Gnulib module: —

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12.58.40 nis_print_group_entry

Gnulib module: —

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12.58.41 nis_print_link

Gnulib module: —

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12.58.42 nis_print_object

Gnulib module: —

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12.58.43 nis_print_result

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.44 nis_print_rights

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.45 nis_print_table

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.46 nis_remove

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.47 nis_remove_entry

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.48 nis_removemember

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.49 nis_rmdir

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.50 nis_servstate

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.51 nis_sperrno

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.52 nis_sperror

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.53 nis_sperror_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.58.54 nis_stats

Gnulib module: —

Portability problems fixed by Gnulib:

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12.58.55 nis_verifygroup

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.59 Glibc <rpcsvc/nis_callback.h>

• xdr_cback_data:  
• xdr_obj_p:  

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12.59.1 xdr_cback_data

Gnulib module: —

Portability problems fixed by Gnulib:

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12.59.2 xdr_obj_p

Gnulib module: —

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Portability problems not fixed by Gnulib:

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12.60 Glibc <rpcsvc/yp.h>

• xdr_domainname:  
• xdr_keydat:  
• xdr_mapname:  
• xdr_peername:  
• xdr_valdat:  
• xdr_ypbind_binding:  
• xdr_ypbind_resp:  
• xdr_ypbind_resptype:  
• xdr_ypbind_setdom:  
• xdr_ypmap_parms:  
• xdr_ypmaplist:  
• xdr_yppush_status:  
• xdr_yppushresp_xfr:  
• xdr_ypreq_key:  
• xdr_ypreq_nokey:  
• xdr_ypreq_xfr:  
• xdr_ypresp_all:  
• xdr_ypresp_key_val:  
• xdr_ypresp_maplist:  
• xdr_ypresp_master:  
• xdr_ypresp_order:  
• xdr_ypresp_val:  
• xdr_ypresp_xfr:  
• xdr_ypstat:  
• xdr_ypxfrstat:  

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12.60.1 xdr_domainname

Gnulib module: —

Portability problems fixed by Gnulib:

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12.60.2 xdr_keydat

Gnulib module: —

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12.60.3 xdr_mapname

Gnulib module: —

Portability problems fixed by Gnulib:

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12.60.4 xdr_peername

Gnulib module: —

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12.60.5 xdr_valdat

Gnulib module: —

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12.60.6 xdr_ypbind_binding

Gnulib module: —

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12.60.7 xdr_ypbind_resp

Gnulib module: —

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12.60.8 xdr_ypbind_resptype

Gnulib module: —

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12.60.9 xdr_ypbind_setdom

Gnulib module: —

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12.60.10 xdr_ypmap_parms

Gnulib module: —

Portability problems fixed by Gnulib:

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12.60.11 xdr_ypmaplist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.60.12 xdr_yppush_status

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.60.13 xdr_yppushresp_xfr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.60.14 xdr_ypreq_key

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.15 xdr_ypreq_nokey

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.16 xdr_ypreq_xfr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.17 xdr_ypresp_all

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.18 xdr_ypresp_key_val

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.19 xdr_ypresp_maplist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.20 xdr_ypresp_master

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.21 xdr_ypresp_order

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.22 xdr_ypresp_val

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.23 xdr_ypresp_xfr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.24 xdr_ypstat

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc rpcsvc/yp.h   [Contents][Index]

12.60.25 xdr_ypxfrstat

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.61 Glibc <rpcsvc/yp_prot.h>

• xdr_ypall:  

Up: Glibc rpcsvc/yp_prot.h   [Contents][Index]

12.61.1 xdr_ypall

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.62 Glibc <rpcsvc/ypclnt.h>

• yp_all:  
• yp_bind:  
• yp_first:  
• yp_get_default_domain:  
• yp_master:  
• yp_match:  
• yp_next:  
• yp_order:  
• yp_unbind:  
• yp_update:  
• ypbinderr_string:  
• yperr_string:  
• ypprot_err:  

Next: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.1 yp_all

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.2 yp_bind

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.3 yp_first

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.4 yp_get_default_domain

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.62.5 yp_master

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.6 yp_match

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.7 yp_next

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.8 yp_order

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.9 yp_unbind

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.10 yp_update

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.11 ypbinderr_string

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.12 yperr_string

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc rpcsvc/ypclnt.h   [Contents][Index]

12.62.13 ypprot_err

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.63 Glibc <rpcsvc/ypupd.h>

• xdr_yp_buf:  
• xdr_ypdelete_args:  
• xdr_ypupdate_args:  

Next: , Up: Glibc rpcsvc/ypupd.h   [Contents][Index]

12.63.1 xdr_yp_buf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc rpcsvc/ypupd.h   [Contents][Index]

12.63.2 xdr_ypdelete_args

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc rpcsvc/ypupd.h   [Contents][Index]

12.63.3 xdr_ypupdate_args

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.64 Glibc Extensions to <sched.h>

• clone:  
• sched_getaffinity:  
• sched_setaffinity:  
• setns:  

Next: , Up: Glibc sched.h   [Contents][Index]

12.64.1 clone

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sched.h   [Contents][Index]

12.64.2 sched_getaffinity

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sched.h   [Contents][Index]

12.64.3 sched_setaffinity

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sched.h   [Contents][Index]

12.64.4 setns

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.65 Glibc Extensions to <search.h>

• hcreate_r:  
• hdestroy_r:  
• hsearch_r:  
• tdestroy:  

Next: , Up: Glibc search.h   [Contents][Index]

12.65.1 hcreate_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc search.h   [Contents][Index]

12.65.2 hdestroy_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc search.h   [Contents][Index]

12.65.3 hsearch_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc search.h   [Contents][Index]

12.65.4 tdestroy

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.66 Glibc Extensions to <selinux/selinux.h>

• fgetfilecon:  
• getfilecon:  
• lgetfilecon:  

Next: , Up: Glibc selinux/selinux.h   [Contents][Index]

12.66.1 fgetfilecon

Gnulib module: selinux-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc selinux/selinux.h   [Contents][Index]

12.66.2 getfilecon

Gnulib module: selinux-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc selinux/selinux.h   [Contents][Index]

12.66.3 lgetfilecon

Gnulib module: selinux-h

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.67 Glibc <shadow.h>

• endspent:  
• fgetspent:  
• fgetspent_r:  
• getspent:  
• getspent_r:  
• getspnam:  
• getspnam_r:  
• lckpwdf:  
• putspent:  
• setspent:  
• sgetspent:  
• sgetspent_r:  
• ulckpwdf:  

Next: , Up: Glibc shadow.h   [Contents][Index]

12.67.1 endspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.2 fgetspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.3 fgetspent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.4 getspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.5 getspent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.6 getspnam

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.7 getspnam_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.8 lckpwdf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.9 putspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.10 setspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.11 sgetspent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.12 sgetspent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc shadow.h   [Contents][Index]

12.67.13 ulckpwdf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.68 Glibc Extensions to <signal.h>

• gsignal:  
• sigandset:  
• sigblock:  
• siggetmask:  
• sigisemptyset:  
• sigorset:  
• sigreturn:  
• sigsetmask:  
• sigstack:  
• sigvec:  
• ssignal:  
• sys_siglist:  
• sysv_signal:  

Next: , Up: Glibc signal.h   [Contents][Index]

12.68.1 gsignal

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.2 sigandset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.3 sigblock

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.4 siggetmask

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.5 sigisemptyset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.6 sigorset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.7 sigreturn

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.8 sigsetmask

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.9 sigstack

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.10 sigvec

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.11 ssignal

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.12 sys_siglist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc signal.h   [Contents][Index]

12.68.13 sysv_signal

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.69 Glibc Extensions to <stdio.h>

• asprintf:  
• cuserid:  
• clearerr_unlocked:  
• fcloseall:  
• feof_unlocked:  
• ferror_unlocked:  
• fflush_unlocked:  
• fgetc_unlocked:  
• fgets_unlocked:  
• fileno_unlocked:  
• fopencookie:  
• fputc_unlocked:  
• fputs_unlocked:  
• fread_unlocked:  
• fwrite_unlocked:  
• getw:  
• putw:  
• setbuffer:  
• setlinebuf:  
• sys_errlist:  
• sys_nerr:  
• tmpnam_r:  
• vasprintf:  

Next: , Up: Glibc stdio.h   [Contents][Index]

12.69.1 asprintf

Gnulib module: vasprintf or vasprintf-posix

Portability problems fixed by either Gnulib module vasprintf or vasprintf-posix:

Portability problems fixed by Gnulib module vasprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.2 cuserid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.3 clearerr_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.4 fcloseall

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.5 feof_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.6 ferror_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.7 fflush_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.8 fgetc_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.9 fgets_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.10 fileno_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.11 fopencookie

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.12 fputc_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.13 fputs_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.14 fread_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.15 fwrite_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.16 getw

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.17 putw

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.18 setbuffer

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.19 setlinebuf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.20 sys_errlist

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.21 sys_nerr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.22 tmpnam_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc stdio.h   [Contents][Index]

12.69.23 vasprintf

Gnulib module: vasprintf or vasprintf-posix

Portability problems fixed by either Gnulib module vasprintf or vasprintf-posix:

Portability problems fixed by Gnulib module vasprintf-posix:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.70 Glibc Extensions to <stdlib.h>

• canonicalize_file_name:  
• cfree:  
• clearenv:  
• drand48_r:  
• ecvt_r:  
• erand48_r:  
• fcvt_r:  
• getloadavg:  
• getpt:  
• initstate_r:  
• jrand48_r:  
• lcong48_r:  
• lrand48_r:  
• mkostemp:  
• mkostemps:  
• mrand48_r:  
• mkstemps:  
• nrand48_r:  
• on_exit:  
• ptsname_r:  
• qecvt:  
• qecvt_r:  
• qfcvt:  
• qfcvt_r:  
• qgcvt:  
• qsort_r:  
• random_r:  
• rpmatch:  
• secure_getenv:  
• seed48_r:  
• setstate_r:  
• srand48_r:  
• srandom_r:  
• strtod_l:  
• strtof_l:  
• strtol_l:  
• strtold_l:  
• strtoll_l:  
• strtoq:  
• strtoul_l:  
• strtoull_l:  
• strtouq:  
• valloc:  

Next: , Up: Glibc stdlib.h   [Contents][Index]

12.70.1 canonicalize_file_name

Gnulib module: canonicalize-lgpl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.2 cfree

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.3 clearenv

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.4 drand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.5 ecvt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.6 erand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.7 fcvt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.8 getloadavg

Gnulib module: getloadavg

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.9 getpt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.10 initstate_r

Gnulib module: random_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.11 jrand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.12 lcong48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.13 lrand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.14 mkostemp

Gnulib module: mkostemp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The gnulib module clean-temp can create temporary files that will not be left behind after signals such as SIGINT.

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.15 mkostemps

Gnulib module: mkostemps

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The gnulib module clean-temp can create temporary files that will not be left behind after signals such as SIGINT.

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.16 mrand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.17 mkstemps

Gnulib module: mkstemps

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

The gnulib module clean-temp can create temporary files that will not be left behind after signals such as SIGINT.

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.18 nrand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.19 on_exit

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.20 ptsname_r

Gnulib module: ptsname_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.21 qecvt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.22 qecvt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.23 qfcvt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.24 qfcvt_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.25 qgcvt

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.26 qsort_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.27 random_r

Gnulib module: random_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.28 rpmatch

Gnulib module: rpmatch

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.29 secure_getenv

Gnulib module: secure_getenv

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.30 seed48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.31 setstate_r

Gnulib module: random_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.32 srand48_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.33 srandom_r

Gnulib module: random_r

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.34 strtod_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.35 strtof_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.36 strtol_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.37 strtold_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.38 strtoll_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.39 strtoq

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.40 strtoul_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.41 strtoull_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.70.42 strtouq

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc stdlib.h   [Contents][Index]

12.70.43 valloc

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.71 Glibc Extensions to <string.h>

• ffsl:  
• ffsll:  
• memfrob:  
• memmem:  
• mempcpy:  
• memrchr:  
• rawmemchr:  
• strcasestr:  
• strchrnul:  
• strfry:  
• strsep:  
• strverscmp:  

Next: , Up: Glibc string.h   [Contents][Index]

12.71.1 ffsl

Gnulib module: ffsl

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc string.h   [Contents][Index]

12.71.2 ffsll

Gnulib module: ffsll

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.71.3 memfrob

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc string.h   [Contents][Index]

12.71.4 memmem

Gnulib module: memmem or memmem-simple

Both modules implement the same replacement for the memmem function with the memmem module providing a replacement on more platforms where the existing memmem function has a quadratic worst-case complexity.

Portability problems fixed by either Gnulib module memmem-simple or memmem:

Performance problems fixed by Gnulib module memmem:

Portability problems not fixed by Gnulib:

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12.71.5 mempcpy

Gnulib module: mempcpy

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc string.h   [Contents][Index]

12.71.6 memrchr

Gnulib module: memrchr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.71.7 rawmemchr

Gnulib module: rawmemchr

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.71.8 strcasestr

Gnulib module: strcasestr or strcasestr-simple

Portability problems fixed by either Gnulib module strcasestr-simple or strcasestr:

Portability problems fixed by Gnulib module strcasestr:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc string.h   [Contents][Index]

12.71.9 strchrnul

Gnulib module: strchrnul

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.71.10 strfry

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc string.h   [Contents][Index]

12.71.11 strsep

Gnulib module: strsep

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc string.h   [Contents][Index]

12.71.12 strverscmp

Gnulib module: strverscmp

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.72 Glibc <sys/capability.h>

• capget:  
• capset:  

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12.72.1 capget

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/capability.h   [Contents][Index]

12.72.2 capset

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.73 Glibc <sys/epoll.h>

• epoll_create:  
• epoll_ctl:  
• epoll_wait:  

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12.73.1 epoll_create

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/epoll.h   [Contents][Index]

12.73.2 epoll_ctl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/epoll.h   [Contents][Index]

12.73.3 epoll_wait

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.74 Glibc <sys/fanotify.h>

• fanotify_init:  
• fanotify_mark:  

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12.74.1 fanotify_init

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/fanotify.h   [Contents][Index]

12.74.2 fanotify_mark

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.75 Glibc <sys/file.h>

• flock:  

Up: Glibc sys/file.h   [Contents][Index]

12.75.1 flock

Gnulib module: flock

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.76 Glibc <sys/fsuid.h>

• setfsgid:  
• setfsuid:  

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12.76.1 setfsgid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/fsuid.h   [Contents][Index]

12.76.2 setfsuid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.77 Glibc <sys/gmon.h>

• monstartup:  

Up: Glibc sys/gmon.h   [Contents][Index]

12.77.1 monstartup

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.78 Glibc <sys/io.h>, <sys/perm.h>

• ioperm:  
• iopl:  

Next: , Up: Glibc sys/io.h and sys/perm.h   [Contents][Index]

12.78.1 ioperm

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/io.h and sys/perm.h   [Contents][Index]

12.78.2 iopl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.79 Glibc <sys/kdaemon.h>

• bdflush:  

Up: Glibc sys/kdaemon.h   [Contents][Index]

12.79.1 bdflush

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.80 Glibc <sys/klog.h>

• klogctl:  

Up: Glibc sys/klog.h   [Contents][Index]

12.80.1 klogctl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.81 Glibc Extensions to <sys/mman.h>

• madvise:  
• mincore:  
• mremap:  
• remap_file_pages:  

Next: , Up: Glibc sys/mman.h   [Contents][Index]

12.81.1 madvise

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/mman.h   [Contents][Index]

12.81.2 mincore

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/mman.h   [Contents][Index]

12.81.3 mremap

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/mman.h   [Contents][Index]

12.81.4 remap_file_pages

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.82 Glibc <sys/mount.h>

• mount:  
• umount:  
• umount2:  

Next: , Up: Glibc sys/mount.h   [Contents][Index]

12.82.1 mount

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/mount.h   [Contents][Index]

12.82.2 umount

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/mount.h   [Contents][Index]

12.82.3 umount2

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.83 Glibc <sys/personality.h>

• personality:  

Up: Glibc sys/personality.h   [Contents][Index]

12.83.1 personality

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.84 Glibc <sys/prctl.h>

• prctl:  

Up: Glibc sys/prctl.h   [Contents][Index]

12.84.1 prctl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.85 Glibc <sys/profil.h>

• sprofil:  

Up: Glibc sys/profil.h   [Contents][Index]

12.85.1 sprofil

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.86 Glibc <sys/ptrace.h>

• ptrace:  

Up: Glibc sys/ptrace.h   [Contents][Index]

12.86.1 ptrace

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.87 Glibc <sys/quota.h>

• quotactl:  

Up: Glibc sys/quota.h   [Contents][Index]

12.87.1 quotactl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.88 Glibc <sys/reboot.h>

• reboot:  

Up: Glibc sys/reboot.h   [Contents][Index]

12.88.1 reboot

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.89 Glibc Extensions to <sys/resource.h>

• prlimit:  

Up: Glibc sys/resource.h   [Contents][Index]

12.89.1 prlimit

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.90 Glibc Extensions to <sys/sem.h>

• semtimedop:  

Up: Glibc sys/sem.h   [Contents][Index]

12.90.1 semtimedop

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.91 Glibc <sys/sendfile.h>

• sendfile:  

Up: Glibc sys/sendfile.h   [Contents][Index]

12.91.1 sendfile

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.92 Glibc Extensions to <sys/socket.h>

• accept4:  
• isfdtype:  
• recvmmsg:  
• sendmmsg:  

Next: , Up: Glibc sys/socket.h   [Contents][Index]

12.92.1 accept4

Gnulib module: accept4

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/socket.h   [Contents][Index]

12.92.2 isfdtype

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/socket.h   [Contents][Index]

12.92.3 recvmmsg

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/socket.h   [Contents][Index]

12.92.4 sendmmsg

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.93 Glibc Extensions to <sys/stat.h>

• lchmod:  

Up: Glibc sys/stat.h   [Contents][Index]

12.93.1 lchmod

Gnulib module: lchmod

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.94 Glibc <sys/statfs.h>

• fstatfs:  
• statfs:  

Next: , Up: Glibc sys/statfs.h   [Contents][Index]

12.94.1 fstatfs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/statfs.h   [Contents][Index]

12.94.2 statfs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.95 Glibc <sys/swap.h>

• swapoff:  
• swapon:  

Next: , Up: Glibc sys/swap.h   [Contents][Index]

12.95.1 swapoff

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/swap.h   [Contents][Index]

12.95.2 swapon

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.96 Glibc <sys/sysctl.h>

• sysctl:  

Up: Glibc sys/sysctl.h   [Contents][Index]

12.96.1 sysctl

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.97 Glibc <sys/sysinfo.h>

• get_avphys_pages:  
• get_nprocs:  
• get_nprocs_conf:  
• get_phys_pages:  
• sysinfo:  

Next: , Up: Glibc sys/sysinfo.h   [Contents][Index]

12.97.1 get_avphys_pages

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/sysinfo.h   [Contents][Index]

12.97.2 get_nprocs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Gnulib provides the module nproc that performs a similar function but is portable to more systems.

Next: , Previous: , Up: Glibc sys/sysinfo.h   [Contents][Index]

12.97.3 get_nprocs_conf

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/sysinfo.h   [Contents][Index]

12.97.4 get_phys_pages

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/sysinfo.h   [Contents][Index]

12.97.5 sysinfo

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.98 Glibc <sys/syslog.h>

• vsyslog:  

Up: Glibc sys/syslog.h   [Contents][Index]

12.98.1 vsyslog

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.99 Glibc <sys/sysmacros.h>

• gnu_dev_major:  
• gnu_dev_makedev:  
• gnu_dev_minor:  

Next: , Up: Glibc sys/sysmacros.h   [Contents][Index]

12.99.1 gnu_dev_major

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/sysmacros.h   [Contents][Index]

12.99.2 gnu_dev_makedev

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/sysmacros.h   [Contents][Index]

12.99.3 gnu_dev_minor

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.100 Glibc Extensions to <sys/time.h>

• adjtime:  
• futimes:  
• futimesat:  
• lutimes:  
• settimeofday:  

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12.100.1 adjtime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc sys/time.h   [Contents][Index]

12.100.2 futimes

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.100.3 futimesat

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.100.4 lutimes

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/time.h   [Contents][Index]

12.100.5 settimeofday

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.101 Glibc <sys/timex.h>

• adjtimex:  
• ntp_adjtime:  
• ntp_gettime:  
• ntp_gettimex:  

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12.101.1 adjtimex

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.101.2 ntp_adjtime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.101.3 ntp_gettime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/timex.h   [Contents][Index]

12.101.4 ntp_gettimex

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.102 Glibc Extensions to <sys/uio.h>

• preadv:  
• process_vm_readv:  
• process_vm_writev:  
• pwritev:  

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12.102.1 preadv

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.102.2 process_vm_readv

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.102.3 process_vm_writev

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/uio.h   [Contents][Index]

12.102.4 pwritev

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.103 Glibc <sys/ustat.h>

• ustat:  

Up: Glibc sys/ustat.h   [Contents][Index]

12.103.1 ustat

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.104 Glibc <sys/vlimit.h>

• vlimit:  

Up: Glibc sys/vlimit.h   [Contents][Index]

12.104.1 vlimit

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.105 Glibc <sys/vm86.h>

• vm86:  

Up: Glibc sys/vm86.h   [Contents][Index]

12.105.1 vm86

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.106 Glibc <sys/vtimes.h>

• vtimes:  

Up: Glibc sys/vtimes.h   [Contents][Index]

12.106.1 vtimes

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.107 Glibc Extensions to <sys/wait.h>

• wait3:  
• wait4:  

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12.107.1 wait3

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/wait.h   [Contents][Index]

12.107.2 wait4

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108 Glibc <sys/xattr.h>

• fgetxattr:  
• flistxattr:  
• fremovexattr:  
• fsetxattr:  
• getxattr:  
• lgetxattr:  
• listxattr:  
• llistxattr:  
• lremovexattr:  
• lsetxattr:  
• removexattr:  
• setxattr:  

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12.108.1 fgetxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.2 flistxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.3 fremovexattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.4 fsetxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.5 getxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.6 lgetxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.7 listxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.8 llistxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.9 lremovexattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.10 lsetxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.108.11 removexattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc sys/xattr.h   [Contents][Index]

12.108.12 setxattr

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.109 Glibc Extensions to <termios.h>

• cfmakeraw:  
• cfsetspeed:  

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12.109.1 cfmakeraw

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc termios.h   [Contents][Index]

12.109.2 cfsetspeed

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110 Glibc Extensions to <time.h>

• clock_adjtime:  
• dysize:  
• getdate_r:  
• stime:  
• strptime_l:  
• timegm:  
• timelocal:  
• timespec_get:  

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12.110.1 clock_adjtime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.2 dysize

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.3 getdate_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.4 stime

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.5 strptime_l

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.6 timegm

Gnulib module: timegm

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.110.7 timelocal

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc time.h   [Contents][Index]

12.110.8 timespec_get

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.111 Glibc <ttyent.h>

• endttyent:  
• getttyent:  
• getttynam:  
• setttyent:  

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12.111.1 endttyent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc ttyent.h   [Contents][Index]

12.111.2 getttyent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.111.3 getttynam

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc ttyent.h   [Contents][Index]

12.111.4 setttyent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112 Glibc Extensions to <unistd.h>

• acct:  
• brk:  
• chroot:  
• daemon:  
• dup3:  
• endusershell:  
• euidaccess:  
• execvpe:  
• get_current_dir_name:  
• getdomainname:  
• getdtablesize:  
• getpagesize:  
• getpass:  
• getresgid:  
• getresuid:  
• getusershell:  
• group_member:  
• pipe2:  
• profil:  
• revoke:  
• sbrk:  
• setlogin:  
• setdomainname:  
• sethostid:  
• sethostname:  
• setresgid:  
• setresuid:  
• setusershell:  
• syncfs:  
• syscall:  
• ttyslot:  
• vhangup:  

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12.112.1 acct

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.2 brk

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.3 chroot

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.4 daemon

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.5 dup3

Gnulib module: dup3

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.6 endusershell

Gnulib module: getusershell

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.7 euidaccess

Gnulib module: euidaccess

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Other problems of this function:

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12.112.8 execvpe

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.9 get_current_dir_name

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.10 getdomainname

Gnulib module: getdomainname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.11 getdtablesize

Gnulib module: getdtablesize

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.12 getpagesize

Gnulib module: getpagesize

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.13 getpass

Gnulib module: getpass or getpass-gnu

Portability problems fixed by either Gnulib module getpass or getpass-gnu:

Portability problems fixed by Gnulib module getpass-gnu:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.14 getresgid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.15 getresuid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.16 getusershell

Gnulib module: getusershell

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.17 group_member

Gnulib module: group-member

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.18 pipe2

Gnulib module: pipe2

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Note: This function portably supports the O_NONBLOCK flag only if the gnulib module nonblocking is also used.

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12.112.19 profil

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.112.20 revoke

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.21 sbrk

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.22 setlogin

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.23 setdomainname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.24 sethostid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.25 sethostname

Gnulib module: sethostname

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.26 setresgid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.27 setresuid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.28 setusershell

Gnulib module: getusershell

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.29 syncfs

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.30 syscall

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.31 ttyslot

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc unistd.h   [Contents][Index]

12.112.32 vhangup

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.113 Glibc <utmp.h>

• endutent:  
• getutent:  
• getutent_r:  
• getutid:  
• getutid_r:  
• getutline:  
• getutline_r:  
• pututline:  
• setutent:  
• updwtmp:  
• utmpname:  
• login:  
• login_tty:  

Next: , Up: Glibc utmp.h   [Contents][Index]

12.113.1 endutent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.113.2 getutent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.3 getutent_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.4 getutid

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.5 getutid_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.6 getutline

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.7 getutline_r

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.8 pututline

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.9 setutent

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.10 updwtmp

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.11 utmpname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.12 login

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc utmp.h   [Contents][Index]

12.113.13 login_tty

Gnulib module: login_tty

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.114 Glibc Extensions to <utmpx.h>

• getutmp:  
• getutmpx:  
• updwtmpx:  
• utmpxname:  

Next: , Up: Glibc utmpx.h   [Contents][Index]

12.114.1 getutmp

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmpx.h   [Contents][Index]

12.114.2 getutmpx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc utmpx.h   [Contents][Index]

12.114.3 updwtmpx

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc utmpx.h   [Contents][Index]

12.114.4 utmpxname

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Previous: , Up: Glibc Function Substitutes   [Contents][Index]

12.115 Glibc Extensions to <wchar.h>

• fgetwc_unlocked:  
• fgetws_unlocked:  
• fputwc_unlocked:  
• fputws_unlocked:  
• getwc_unlocked:  
• getwchar_unlocked:  
• putwc_unlocked:  
• putwchar_unlocked:  
• wcschrnul:  
• wcsftime_l:  
• wcstod_l:  
• wcstof_l:  
• wcstol_l:  
• wcstold_l:  
• wcstoll_l:  
• wcstoq:  
• wcstoul_l:  
• wcstoull_l:  
• wcstouq:  
• wmempcpy:  

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12.115.1 fgetwc_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc wchar.h   [Contents][Index]

12.115.2 fgetws_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc wchar.h   [Contents][Index]

12.115.3 fputwc_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc wchar.h   [Contents][Index]

12.115.4 fputws_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

Next: , Previous: , Up: Glibc wchar.h   [Contents][Index]

12.115.5 getwc_unlocked

Gnulib module: —

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

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12.115.6 getwchar_unlocked

Gnulib module: —

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12.115.7 putwc_unlocked

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12.115.8 putwchar_unlocked

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12.115.9 wcschrnul

Gnulib module: —

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12.115.10 wcsftime_l

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12.115.11 wcstod_l

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12.115.12 wcstof_l

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12.115.13 wcstol_l

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12.115.14 wcstold_l

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12.115.15 wcstoll_l

Gnulib module: —

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12.115.16 wcstoq

Gnulib module: —

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12.115.17 wcstoul_l

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12.115.18 wcstoull_l

Gnulib module: —

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12.115.19 wcstouq

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12.115.20 wmempcpy

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13 Particular Modules

• alloca:  
• alloca-opt:  
• Safe Allocation Macros:  
• Compile-time Assertions:  
• Integer Properties:  
• extern inline:  
• String Functions in C Locale:  
• Quoting:  
• error and progname:  
• gcd:  
• Searching for Libraries:  
• Exported Symbols of Shared Libraries:  
• LD Version Scripts:  
• Visual Studio Compatibility:  
• Supporting Relocation:  
• func:  
• configmake:  
• warnings:  
• manywarnings:  
• Running self-tests under valgrind:  
• stat-size:  

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13.1 alloca

The alloca module provides for a function alloca which allocates memory on the stack, where the system allows it. A memory block allocated with alloca exists only until the function that calls alloca returns or exits abruptly.

There are a few systems where this is not possible: HP-UX systems, and some other platforms when the C++ compiler is used. On these platforms the alloca module provides a malloc based emulation. This emulation will not free a memory block immediately when the calling function returns, but rather will wait until the next alloca call from a function with the same or a shorter stack length. Thus, in some cases, a few memory blocks will be kept although they are not needed any more.

The user can #include <alloca.h> and use alloca on all platforms. Note that the #include <alloca.h> must be the first one after the autoconf-generated config.h, for AIX 3 compatibility. Thanks to IBM for this nice restriction!

Note that GCC 3.1 and 3.2 can inline functions that call alloca. When this happens, the memory blocks allocated with alloca will not be freed until the end of the calling function. If this calling function runs a loop calling the function that uses alloca, the program easily gets a stack overflow and crashes. To protect against this compiler behaviour, you can mark the function that uses alloca with the following attribute: 

#ifdef __GNUC__
__attribute__ ((__noinline__))
#endif

An alternative to this module is the ‘alloca-opt’ module.

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13.2 alloca-opt

The alloca-opt module provides for a function alloca which allocates memory on the stack, where the system allows it. A memory block allocated with alloca exists only until the function that calls alloca returns or exits abruptly.

There are a few systems where this is not possible: HP-UX systems, and some other platforms when the C++ compiler is used. On these platforms the alloca-opt module provides no replacement, just a preprocessor macro HAVE_ALLOCA.

The user can #include <alloca.h> on all platforms, and use alloca on those platforms where the preprocessor macro HAVE_ALLOCA evaluates to true. If HAVE_ALLOCA is false, the code should use a heap-based memory allocation based on malloc or (in C++) new. Note that the #include <alloca.h> must be the first one after the autoconf-generated config.h, for AIX 3 compatibility. Thanks to IBM for this nice restriction!

Note that GCC 3.1 and 3.2 can inline functions that call alloca. When this happens, the memory blocks allocated with alloca will not be freed until the end of the calling function. If this calling function runs a loop calling the function that uses alloca, the program easily gets a stack overflow and crashes. To protect against this compiler behaviour, you can mark the function that uses alloca with the following attribute: 

#ifdef __GNUC__
__attribute__ ((__noinline__))
#endif

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13.3 Safe Allocation Macros

The standard C library malloc/realloc/calloc/free APIs are prone to a number of common coding errors. The safe-alloc module provides macros that make it easier to avoid many of them. It still uses the standard C allocation functions behind the scenes.

Some of the memory allocation mistakes that are commonly made are

The safe-alloc module addresses these problems in the following way:

Macro: int ALLOC (ptr)

Allocate sizeof(*ptr) bytes of memory and store the address of allocated memory in ptr. Fill the newly allocated memory with zeros.

Returns -1 on failure, 0 on success.

Macro: int ALLOC_N (ptr, count)

Allocate an array of count elements, each sizeof(*ptr) bytes long, and store the address of allocated memory in ptr. Fill the newly allocated memory with zeros.

Returns -1 on failure, 0 on success.

Macro: int ALLOC_N_UNINITIALIZED (ptr, count)

Allocate an array of count elements, each sizeof(*ptr) bytes long, and store the address of allocated memory in ptr. The allocated memory is not initialized.

Returns -1 on failure, 0 on success.

Macro: int REALLOC_N (ptr, count)

Reallocate the memory pointed to by ptr to be big enough to hold at least count elements, each sizeof(*ptr) bytes long, and store the address of allocated memory in ptr. If reallocation fails, the ptr variable is not modified.

Returns -1 on failure, 0 on success.

Macro: void FREE (ptr)

Free the memory stored in ptr and set ptr to NULL.

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13.4 Compile-time Assertions

This module provides a header file verify.h that defines macros related to compile-time verification.

Two of these macros are verify (V) and verify_expr (V, EXPR). Both accept an integer constant expression argument V and verify that it is nonzero. If not, a compile-time error results.

These two macros implement compile-time tests, as opposed to the standard assert macro which supports only runtime tests. Since the tests occur at compile-time, they are more reliable, and they require no runtime overhead.

verify (V); is a declaration; it can occur outside of functions. In contrast, verify_expr (V, EXPR) is an expression that returns the value of EXPR; it can be used in macros that expand to expressions. If EXPR is an integer constant expression, then verify_expr (V, EXPR) is also an integer constant expression. Although EXPR and verify_expr (V, EXPR) are guaranteed to have the same side effects and value and type (after integer promotion), they need not have the same type if EXPR’s type is an integer that is narrower than int or unsigned int.

V should be an integer constant expression in the sense of the C standard. Its leaf operands should be integer, enumeration, or character constants; or sizeof expressions that return constants; or floating constants that are the immediate operands of casts. Outside a sizeof subexpression, V should not contain any assignments, function calls, comma operators, casts to non-integer types, or subexpressions whose values are outside the representable ranges for their types. If V is not an integer constant expression, then a compiler might reject a usage like ‘verify (V);’ even when V is nonzero.

Although the standard assert macro is a runtime test, C11 specifies a builtin _Static_assert (V, STRING-LITERAL), its assert.h header has a similar macro named static_assert, and C++11 has a similar static_assert builtin. These builtins and macros differ from verify in two major ways. First, they can also be used within a struct or union specifier, in place of an ordinary member declaration. Second, they require the programmer to specify a compile-time diagnostic as a string literal.

The verify.h header defines one more macro, assume (E), which expands to an expression of type void that causes the compiler to assume that E yields a nonzero value. E should be a scalar expression, and should not have side effects; it may or may not be evaluated. The behavior is undefined if E would yield zero. The main use of assume is optimization, as the compiler may be able to generate better code if it assumes E. For best results, E should be simple enough that a compiler can determine that it has no side effects: if E calls an external function or accesses volatile storage the compiler may not be able to optimize E away and assume (E) may therefore slow down the program.

Here are some example uses of these macros. 

#include <verify.h>

#include <limits.h>
#include <time.h>

/* Verify that time_t is an integer type.  */
verify ((time_t) 1.5 == 1);

/* Verify that time_t is no smaller than int.  */
verify (sizeof (int) <= sizeof (time_t));

/* Verify that time_t is signed.  */
verify ((time_t) -1 < 0);

/* Verify that time_t uses two's complement representation.  */
verify (~ (time_t) -1 == 0);

/* Return the maximum value of the integer type T,
   verifying that T is an unsigned integer type.
   The cast to (T) is outside the call to verify_expr
   so that the result is of type T
   even when T is narrower than unsigned int.  */
#define MAX_UNSIGNED_VAL(t) \
   ((T) verify_expr (0 < (T) -1, -1))

/* Return T divided by CHAR_MAX + 1, where behavior is
   undefined if T < 0.  In the common case where CHAR_MAX
   is 127 the compiler can therefore implement the division
   by shifting T right 7 bits, an optimization that would
   not be valid if T were negative.  */
time_t
time_index (time_t t)
{
  assume (0 <= t);
  return t / (CHAR_MAX + 1);
}

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13.5 Integer Properties

The intprops module consists of an include file <intprops.h> that defines several macros useful for testing properties of integer types.

Integer overflow is a common source of problems in programs written in C and other languages. In some cases, such as signed integer arithmetic in C programs, the resulting behavior is undefined, and practical platforms do not always behave as if integers wrap around reliably. In other cases, such as unsigned integer arithmetic in C, the resulting behavior is well-defined, but programs may still misbehave badly after overflow occurs.

Many techniques have been proposed to attack these problems. These include precondition testing, GCC’s -ftrapv option, GCC’s no-undefined-overflow branch, the as-if infinitely ranged (AIR) model implemented in Clang, saturation semantics where overflow reliably yields an extreme value, the RICH static transformer to an overflow-checking variant, and special testing methods. For more information about these techniques, see: Dannenberg R, Dormann W, Keaton D et al., As-if infinitely ranged integer model, 2nd ed., Software Engineering Institute Technical Note CMU/SEI-2010-TN-008, April 2010.

Gnulib supports the precondition testing technique, as this is easy to support portably. There are two families of precondition tests: the first, for integer ranges, has a simple and straightforward implementation, while the second, for integer types, is easier to use.

• Integer Type Determination:  Whether a type has integer properties.
• Integer Bounds:  Bounds on integer values and representations.
• Integer Range Overflow:  Integer overflow checking if bounds are known.
• Integer Type Overflow:  General integer overflow checking.

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13.5.1 Integer Type Determination

TYPE_IS_INTEGER (t) expands to a constant expression that is 1 if the arithmetic type t is an integer type. _Bool counts as an integer type.

TYPE_SIGNED (t) expands to a constant expression that is 1 if the arithmetic type t is a signed integer type or a floating type. If t is an integer type, TYPE_SIGNED (t) expands to an integer constant expression.

Example usage: 

#include <intprops.h>
#include <time.h>
enum
{
  time_t_is_signed_integer =
    TYPE_IS_INTEGER (time_t) && TYPE_SIGNED (time_t)
};

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13.5.2 Integer Bounds

INT_BUFSIZE_BOUND (t) expands to an integer constant expression that is a bound on the size of the string representing an integer type or expression t in decimal notation, including the terminating null character and any leading - character. For example, if INT_STRLEN_BOUND (int) is 12, any value of type int can be represented in 12 bytes or less, including the terminating null. The bound is not necessarily tight.

Example usage: 

#include <intprops.h>
#include <stdio.h>
int
int_strlen (int i)
{
  char buf[INT_BUFSIZE_BOUND (int)];
  return sprintf (buf, "%d", i);
}

INT_STRLEN_BOUND (t) expands to an integer constant expression that is a bound on the length of the string representing an integer type or expression t in decimal notation, including any leading - character. This is one less than INT_BUFSIZE_BOUND (t).

TYPE_MINIMUM (t) and TYPE_MAXIMUM (t) expand to integer constant expressions equal to the minimum and maximum values of the integer type t. These expressions are of the type t (or more precisely, the type t after integer promotions).

Example usage: 

#include <stdint.h>
#include <sys/types.h>
#include <intprops.h>
int
in_off_t_range (intmax_t a)
{
  return TYPE_MINIMUM (off_t) <= a && a <= TYPE_MAXIMUM (off_t);
}

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13.5.3 Integer Range Overflow

These macros yield 1 if the corresponding C operators might not yield numerically correct answers due to arithmetic overflow. They do not rely on undefined or implementation-defined behavior. They expand to integer constant expressions if their arguments are. Their implementations are simple and straightforward, but they are typically harder to use than the integer type overflow macros. See Integer Type Overflow.

Although the implementation of these macros is similar to that suggested in Seacord R, The CERT C Secure Coding Standard (2009, revised 2011), in its two sections “INT30-C. Ensure that unsigned integer operations do not wrap” and “INT32-C. Ensure that operations on signed integers do not result in overflow”, Gnulib’s implementation was derived independently of CERT’s suggestions.

Example usage: 

#include <intprops.h>
void
print_product (long int a, long int b)
{
  if (INT_MULTIPLY_RANGE_OVERFLOW (a, b, LONG_MIN, LONG_MAX))
    printf ("multiply would overflow");
  else
    printf ("product is %ld", a * b);
}

These macros have the following restrictions:

These macros are tuned for constant min and max. For commutative operations such as a + b, they are also tuned for constant b.

INT_ADD_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a + b would overflow in [min,max] integer arithmetic. See above for restrictions.

INT_SUBTRACT_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a - b would overflow in [min,max] integer arithmetic. See above for restrictions.

INT_NEGATE_RANGE_OVERFLOW (a, min, max)

Yield 1 if -a would overflow in [min,max] integer arithmetic. See above for restrictions.

INT_MULTIPLY_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a * b would overflow in [min,max] integer arithmetic. See above for restrictions.

INT_DIVIDE_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a / b would overflow in [min,max] integer arithmetic. See above for restrictions. Division overflow can happen on two’s complement hosts when dividing the most negative integer by -1. This macro does not check for division by zero.

INT_REMAINDER_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a % b would overflow in [min,max] integer arithmetic. See above for restrictions. Remainder overflow can happen on two’s complement hosts when dividing the most negative integer by -1; although the mathematical result is always 0, in practice some implementations trap, so this counts as an overflow. This macro does not check for division by zero.

INT_LEFT_SHIFT_RANGE_OVERFLOW (a, b, min, max)

Yield 1 if a << b would overflow in [min,max] integer arithmetic. See above for restrictions. Here, min and max are for a only, and b need not be of the same type as the other arguments. The C standard says that behavior is undefined for shifts unless 0≤b<w where w is a’s word width, and that when a is negative then a << b has undefined behavior and a >> b has implementation-defined behavior, but this macro does not check these other restrictions.

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13.5.4 Integer Type Overflow

These macros yield 1 if the corresponding C operators might not yield numerically correct answers due to arithmetic overflow of an integer type. They work correctly on all known practical hosts, and do not rely on undefined behavior due to signed arithmetic overflow. They expand to integer constant expressions if their arguments are. They are easier to use than the integer range overflow macros (see Integer Range Overflow).

Example usage: 

#include <intprops.h>
void
print_product (long int a, long int b)
{
  if (INT_MULTIPLY_OVERFLOW (a, b))
    printf ("multiply would overflow");
  else
    printf ("product is %ld", a * b);
}

These macros have the following restrictions:

These macros are tuned for their last argument being a constant.

INT_ADD_OVERFLOW (a, b)

Yield 1 if a + b would overflow. See above for restrictions.

INT_SUBTRACT_OVERFLOW (a, b)

Yield 1 if a - b would overflow. See above for restrictions.

INT_NEGATE_OVERFLOW (a)

Yields 1 if -a would overflow. See above for restrictions.

INT_MULTIPLY_OVERFLOW (a, b)

Yield 1 if a * b would overflow. See above for restrictions.

INT_DIVIDE_OVERFLOW (a, b)

Yields 1 if a / b would overflow. See above for restrictions. Division overflow can happen on two’s complement hosts when dividing the most negative integer by -1. This macro does not check for division by zero.

INT_REMAINDER_OVERFLOW (a, b)

Yield 1 if a % b would overflow. See above for restrictions. Remainder overflow can happen on two’s complement hosts when dividing the most negative integer by -1; although the mathematical result is always 0, in practice some implementations trap, so this counts as an overflow. This macro does not check for division by zero.

INT_LEFT_SHIFT_OVERFLOW (a, b)

Yield 1 if a << b would overflow. See above for restrictions. The C standard says that behavior is undefined for shifts unless 0≤b<w where w is a’s word width, and that when a is negative then a << b has undefined behavior and a >> b has implementation-defined behavior, but this macro does not check these other restrictions.

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13.6 Extern inline functions

The extern-inline module supports the use of C99-style extern inline functions so that the code still runs on pre-C99 compilers.

C code ordinarily should not use inline. Typically it is better to let the compiler figure out whether to inline, as compilers are pretty good about optimization nowadays. In this sense, inline is like register, another keyword that is typically no longer needed.

Functions defined (not merely declared) in headers are an exception, as avoiding inline would commonly cause problems for these functions. Suppose aaa.h defines the function aaa_fun, and aaa.c, bbb.c and ccc.c all include aaa.h. If code is intended to portable to pre-C99 compilers, aaa_fun cannot be declared with the C99 inline keyword. This problem cannot be worked around by making aaa_fun an ordinary function, as it would be defined three times with external linkage and the definitions would clash. Although aaa_fun could be a static function, with separate compilation if aaa_fun is not inlined its code will appear in the executable three times.

To avoid this code bloat, aaa.h can do this: 

/* aaa.h */
/* #include any other headers here */
#ifndef _GL_INLINE_HEADER_BEGIN
 #error "Please include config.h first."
#endif
_GL_INLINE_HEADER_BEGIN
#ifndef AAA_INLINE
# define AAA_INLINE _GL_INLINE
#endif
...
AAA_INLINE int
aaa_fun (int i)
{
  return i + 1;
}
...
_GL_INLINE_HEADER_END

and aaa.c can do this: 

/* aaa.c */
#include <config.h>
#define AAA_INLINE _GL_EXTERN_INLINE
#include <aaa.h>

whereas bbb.c and ccc.c can include aaa.h in the usual way. C99 compilers expand AAA_INLINE to C99-style inline usage, where aaa_fun is declared extern inline in aaa.c and plain inline in other modules. Pre-C99 compilers that are compatible with GCC use GCC-specific syntax to accomplish the same ends. Other pre-C99 compilers use static inline so they suffer from code bloat, but they are not mainline platforms and will die out eventually.

_GL_INLINE is a portable alternative to C99 plain inline.

_GL_EXTERN_INLINE is a portable alternative to C99 extern inline.

Invoke _GL_INLINE_HEADER_BEGIN before all uses of _GL_INLINE in an include file. If an include file includes other files, it is better to invoke this macro after including the other files.

Invoke _GL_INLINE_HEADER_END after all uses of _GL_INLINE in an include file.

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13.7 Character and String Functions in C Locale

The functions in this section are similar to the generic string functions from the standard C library, except that

• c-ctype:  
• c-strcase:  
• c-strcaseeq:  
• c-strcasestr:  
• c-strstr:  
• c-strtod:  
• c-strtold:  

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13.7.1 c-ctype

The c-ctype module contains functions operating on single-byte characters, like the functions in <ctype.h>, that operate as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The functions are: 

extern bool c_isascii (int c);

extern bool c_isalnum (int c);
extern bool c_isalpha (int c);
extern bool c_isblank (int c);
extern bool c_iscntrl (int c);
extern bool c_isdigit (int c);
extern bool c_islower (int c);
extern bool c_isgraph (int c);
extern bool c_isprint (int c);
extern bool c_ispunct (int c);
extern bool c_isspace (int c);
extern bool c_isupper (int c);
extern bool c_isxdigit (int c);

extern int c_tolower (int c);
extern int c_toupper (int c);

These functions assign properties only to ASCII characters.

The c argument can be a char or unsigned char value, whereas the corresponding functions in <ctype.h> take an argument that is actually an unsigned char value.

The c_is* functions return ‘bool’, where the corresponding functions in <ctype.h> return ‘int’ for historical reasons.

Note: The <ctype.h> functions support only unibyte locales.

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13.7.2 c-strcase

The c-strcase module contains case-insensitive string comparison functions operating on single-byte character strings, like the functions in <strings.h>, that operate as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The functions are: 

extern int c_strcasecmp (const char *s1, const char *s2);
extern int c_strncasecmp (const char *s1, const char *s2, size_t n);

For case conversion here, only ASCII characters are considered to be upper case or lower case.

Note: The functions strcasecmp, strncasecmp from <strings.h> support only unibyte locales; for multibyte locales, you need the functions mbscasecmp, mbsncasecmp, mbspcasecmp.

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13.7.3 c-strcaseeq

The c-strcaseeq module contains an optimized case-insensitive string comparison function operating on single-byte character strings, that operate as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The functions is actually implemented as a macro: 

extern int STRCASEEQ (const char *s1, const char *s2,
                      int s20, int s21, int s22, int s23, int s24, int s25,
                      int s26, int s27, int s28);

s2 should be a short literal ASCII string, and s20, s21, ... the individual characters of s2.

For case conversion here, only ASCII characters are considered to be upper case or lower case.

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13.7.4 c-strcasestr

The c-strcasestr module contains a case-insensitive string search function operating on single-byte character strings, that operate as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The function is: 

extern char *c_strcasestr (const char *haystack, const char *needle);

For case conversion here, only ASCII characters are considered to be upper case or lower case.

Note: The function strcasestr from <string.h> supports only unibyte locales; for multibyte locales, you need the function mbscasestr.

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13.7.5 c-strstr

The c-strstr module contains a substring search function operating on single-byte character strings, that operate as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The function is: 

extern char *c_strstr (const char *haystack, const char *needle);

Note: The function strstr from <string.h> supports only unibyte locales; for multibyte locales, you need the function mbsstr.

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13.7.6 c-strtod

The c-strtod module contains a string to number (‘double’) conversion function operating on single-byte character strings, that operates as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The function is: 

extern double c_strtod (const char *string, char **endp);

In particular, only a period ‘.’ is accepted as decimal point, even when the current locale’s notion of decimal point is a comma ‘,’, and no characters outside the basic character set are accepted.

On platforms without strtod_l, this function is not safe for use in multi-threaded applications since it calls setlocale.

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13.7.7 c-strtold

The c-strtold module contains a string to number (‘long double’) conversion function operating on single-byte character strings, that operates as if the locale encoding was ASCII. (The "C" locale on many systems has the locale encoding "ASCII".)

The function is: 

extern long double c_strtold (const char *string, char **endp);

In particular, only a period ‘.’ is accepted as decimal point, even when the current locale’s notion of decimal point is a comma ‘,’.

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13.8 Quoting

Gnulib provides ‘quote’ and ‘quotearg’ modules to help with quoting text, such as file names, in messages to the user. Here’s an example of using ‘quote’: 

#include <quote.h>
 ...
  error (0, errno, _("cannot change owner of %s"), quote (fname));

This differs from 

  error (0, errno, _("cannot change owner of '%s'"), fname);

in that quote escapes unusual characters in fname, e.g., ‘'’ and control characters like ‘\n’.

However, a caveat: quote reuses the storage that it returns. Hence if you need more than one thing quoted at the same time, you need to use quote_n.

Also, the quote module is not suited for multithreaded applications. In that case, you have to use quotearg_alloc, defined in the ‘quotearg’ module, which is decidedly less convenient.

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13.9 error and progname

The error function uses the program_name variable, but does not depend on the progname module. Why? Because error is released under the LGPL, whereas progname is GPL. RMS does not want additional baggage accompanying the error module, so an LGPL user must provide their own replacement program_name, and a GPL user should manually specify using the progname module.

Additionally, using the progname module is not something that can be done implicitly. It requires that every main function be modified to set program_name as one of its first actions.

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13.10 gcd: greatest common divisor

The gcd function returns the greatest common divisor of two numbers a > 0 and b > 0. It is the caller’s responsibility to ensure that the arguments are non-zero.

If you need a gcd function for an integer type larger than ‘unsigned long’, you can include the gcd.c implementation file with parametrization. The parameters are:

The created function has the prototype 

WORD_T GCD (WORD_T a, WORD_T b);

If you need the least common multiple of two numbers, it can be computed like this: lcm(a,b) = (a / gcd(a,b)) * b or lcm(a,b) = a * (b / gcd(a,b)). Avoid the formula lcm(a,b) = (a * b) / gcd(a,b) because—although mathematically correct—it can yield a wrong result, due to integer overflow.

In some applications it is useful to have a function taking the gcd of two signed numbers. In this case, the gcd function result is usually normalized to be non-negative (so that two gcd results can be compared in magnitude or compared against 1, etc.). Note that in this case the prototype of the function has to be 

unsigned long gcd (long a, long b);

and not 

long gcd (long a, long b);

because gcd(LONG_MIN,LONG_MIN) = -LONG_MIN = LONG_MAX + 1 does not fit into a signed ‘long’.

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13.11 Searching for Libraries

The following macros check for the presence or location of certain C, C++, or Fortran library archive files.

Simple Library Tests

The macros AC_CHECK_LIB, AC_SEARCH_LIBS from GNU Autoconf check for the presence of certain C, C++, or Fortran library archive files. The libraries are looked up in the default linker path—a system dependent list of directories, that usually contains the /usr/lib directory—and those directories given by -L options in the LDFLAGS variable.

Locating Libraries

The following macros, defined in the Gnulib module havelib, search for the location of certain C, C++, or Fortran library archive files and make the found location available to the compilation process and to further Autoconf tests.

Macro: AC_LIB_LINKFLAGS(name, [dependencies])

Searches for lib<name> and the libraries corresponding to explicit and implicit dependencies. Sets and AC_SUBSTs the LIB<NAME> and LTLIB<NAME> variables (with <NAME> in upper case) and augments the CPPFLAGS variable by -I options.

This macro should be used when lib<name> is expected to be found.

Macro: AC_LIB_HAVE_LINKFLAGS(name, [dependencies], [includes], [testcode], [missing-message])

Searches for lib<name> and the libraries corresponding to explicit and implicit dependencies, together with the specified include files and the ability to compile and link the specified testcode. The missing-message defaults to no and may contain additional hints for the user. If found, it sets and AC_SUBSTs HAVE_LIB<NAME>=yes and the LIB<NAME> and LTLIB<NAME> variables (with <NAME> in upper case) and augments the CPPFLAGS variable by -I options, and #defines HAVE_LIB<NAME> to 1. Otherwise, it sets and AC_SUBSTs HAVE_LIB<NAME>=no and LIB<NAME> and LTLIB<NAME> to empty.

These macros assume that when a library is installed in some_directory/lib, its include files are installed in some_directory/include.

The complexities that AC_LIB_LINKFLAGS and AC_LIB_HAVE_LINKFLAGS deal with are the following:

The macros also set a variable LTLIB<NAME>, that should be used when linking with libtool. Both LTLIB<NAME> and LIB<NAME> contain essentially the same option, but where LIB<NAME> contains platform dependent flags like ‘-Wl,-rpath’, LTLIB<NAME> contains platform independent flags like ‘-R’.

Example of using AC_LIB_LINKFLAGS

Suppose you want to use libz, the compression library.

  1. In configure.ac you add the line 
      AC_CONFIG_AUX_DIR([build-aux])
  AC_LIB_LINKFLAGS([z])

    Note that since the AC_LIB_LINKFLAGS invocation modifies the CPPFLAGS, it should precede all tests that check for header files, declarations, structures or types.

  2. To the package’s build-aux directory you add the file config.rpath, also part of the Gnulib havelib module. (gnulib-tool will usually do this for you automatically.)
  3. In Makefile.in you add @LIBZ@ to the link command line of your program. Or, if you are using Automake, you add $(LIBZ) to the LDADD variable that corresponds to your program.

Dependencies

The dependencies list is a space separated list of library names that libname is known to depend upon. Example: If libfooy depends on libfoox, and libfooz depends on libfoox and libfooy, you can write: 

AC_LIB_LINKFLAGS([foox])
AC_LIB_LINKFLAGS([fooy], [foox])
AC_LIB_LINKFLAGS([fooz], [foox fooy])

Explicit dependencies are necessary if you cannot assume that a .la file, created by libtool, is installed. If you can assume that libfooy.la is installed by libtool (and has not been omitted by the package distributor!), you can omit the explicit dependency and just write 

AC_LIB_LINKFLAGS([fooy])

This way, you don’t need to know in advance which libraries the needed library depends upon.

Static vs. shared

The macros find the libraries regardless whether they are installed as shared or static libraries.

CPPFLAGS vs. LDFLAGS

The macros determine the directories that should be added to the compiler preprocessor’s search path and to the linker’s search path. For the compiler preprocessor, -I options with the necessary directories are added to the CPPFLAGS variable, for use by the whole package. For the linker, appropriate options are added to the LIB<NAME> and LTLIB<NAME> variables, for use during linking by those programs and libraries that need the dependency on lib<name>. You need to use the value of LIB<NAME> or LTLIB<NAME> in the Makefiles. LTLIB<NAME> is for use with libtool, whereas LIB<NAME> is for when libtool is not involved in linking.

The macros do not check whether the include files and the library found match. If you want to verify this at configure time, one technique is to have a version number in the include files and a version number in the library, like this: 

  #define LIBNAME_VERSION 10203
  extern int libname_version; /* initialized to LIBNAME_VERSION */

and use a test like 

  AC_TRY_RUN([int main () { return libname_version != LIBNAME_VERSION; }])

Bi-arch systems

A bi-arch system is one where

On several types of such systems, for historical reasons, the 32-bit libraries are installed in prefix/lib, whereas the 64-bit libraries are installed in

On such systems, in 64-bit mode, configure will search for the libraries in prefix/lib64 or prefix/lib/64, respectively, not in prefix/lib. A user can adhere to these system-wide conventions by using the ‘--libdir’ option when installing packages. When a user has already installed packages in 64-bit mode using the GNU default ‘--libdir=prefix/lib’, he can make this directory adhere to the system-wide convention by placing a symbolic link:

On glibc systems:

ln -s lib prefix/lib64

On Solaris systems:

ln -s . prefix/lib/64

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13.12 Controlling the Exported Symbols of Shared Libraries

The lib-symbol-visibility module allows precise control of the symbols exported by a shared library. This is useful because

There are traditionally three ways to specify the exported symbols of a shared library.

GNU libtool’s -export-symbols option implements the first approach.

This gnulib module implements the third approach. For this it relies on GNU GCC 4.0 or newer, namely on its ‘-fvisibility=hidden’ command-line option and the “visibility” attribute. (The “visibility” attribute was already supported in GCC 3.4, but without the command line option, introduced in GCC 4.0, the third approach could not be used.)

More explanations on this subject can be found in http://gcc.gnu.org/wiki/Visibility, which contains more details on the GCC features and additional advice for C++ libraries, and in Ulrich Drepper’s paper http://people.redhat.com/drepper/dsohowto.pdf, which also explains other tricks for reducing the startup time impact of shared libraries.

The gnulib autoconf macro gl_VISIBILITY tests for GCC 4.0 or newer. It defines a Makefile variable @CFLAG_VISIBILITY@ containing ‘-fvisibility=hidden’ or nothing. It also defines as a C macro and as a substituted variable: @HAVE_VISIBILITY@. Its value is 1 when symbol visibility control is supported, and 0 otherwise.

To use this module in a library, say libfoo, you will do these steps:

  1. Add @CFLAG_VISIBILITY@ or (in a Makefile.am) $(CFLAG_VISIBILITY) to the CFLAGS for the compilation of the sources that make up the library.
  2. Add a C macro definition, say ‘-DBUILDING_LIBFOO’, to the CPPFLAGS for the compilation of the sources that make up the library.
  3. Define a macro specific to your library like this. 
    #if BUILDING_LIBFOO && HAVE_VISIBILITY
#define LIBFOO_DLL_EXPORTED __attribute__((__visibility__("default")))
#else
#define LIBFOO_DLL_EXPORTED
#endif

    This macro should be enabled in all public header files of your library.

  4. Annotate all variable, function and class declarations in all public header files of your library with ‘LIBFOO_DLL_EXPORTED’. This annotation can occur at different locations: between the ‘extern’ and the type or return type, or just before the entity being declared, or after the entire declarator. My preference is to put it right after ‘extern’, so that the declarations in the header files remain halfway readable.

Note that the precise control of the exported symbols will not work with other compilers than GCC >= 4.0, and will not work on systems where the assembler or linker lack the support of “hidden” visibility. Therefore, it’s good if, in order to reduce the risk of collisions with symbols in other libraries, you continue to use a prefix specific to your library for all non-static variables and functions and for all C++ classes in your library.

Note about other compilers: MSVC support can be added easily, by extending the definition of the macro mentioned above, to something like this: 

#if BUILDING_LIBFOO && HAVE_VISIBILITY
#define LIBFOO_DLL_EXPORTED __attribute__((__visibility__("default")))
#elif BUILDING_LIBFOO && defined _MSC_VER
#define LIBFOO_DLL_EXPORTED __declspec(dllexport)
#elif defined _MSC_VER
#define LIBFOO_DLL_EXPORTED __declspec(dllimport)
#else
#define LIBFOO_DLL_EXPORTED
#endif

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13.13 LD Version Scripts

The lib-symbol-versions module can be used to add shared library versioning support. Currently, only GNU LD and the Solaris linker supports this.

Version scripts provides information that can be used by GNU/Linux distribution packaging tools. For example, Debian has a tool dpkg-shlibdeps that can determine the minimal required version of each dependency (by looking at the symbol list) and stuff the information into the Debian specific packaging files.

For more information and other uses of version scripts, see Ulrich Drepper’s paper http://people.redhat.com/drepper/dsohowto.pdf

You use the module by importing it to your library, and then add the following lines to the Makefile.am that builds the library: 

if HAVE_LD_VERSION_SCRIPT
libfoo_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libfoo.map
endif

The version script file format is documented in the GNU LD manual, but a small example would be: 

LIBFOO_1.0 {
  global:
    libfoo_init; libfoo_doit; libfoo_done;

  local:
    *;
};

If you target platforms that do not support linker scripts (i.e., all platforms that doesn’t use GNU LD) you may want to consider a more portable but less powerful alternative: libtool -export-symbols. It will hide internal symbols from your library, but will not add ELF versioning symbols. Your usage would then be something like: 

if HAVE_LD_VERSION_SCRIPT
libfoo_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libfoo.map
else
libfoo_la_LDFLAGS += -export-symbols $(srcdir)/libfoo.sym
endif

See the Libtool manual for the file syntax, but a small example would be: 

libfoo_init
libfoo_doit
libfoo_done

To avoid the need for a *.sym file if your symbols are easily expressed using a regular expression, you may use -export-symbols-regex: 

if HAVE_LD_VERSION_SCRIPT
libfoo_la_LDFLAGS += -Wl,--version-script=$(srcdir)/libfoo.map
else
libfoo_la_LDFLAGS += -export-symbols-regex '^libfoo_.*'
endif

For more discussions about symbol visibility, rather than shared library versioning, see the visibility module (see Exported Symbols of Shared Libraries).

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13.14 Visual Studio Compatibility

The lib-msvc-compat module detects whether the linker supports --output-def when building a library. That parameter is used to generate a DEF file for a shared library (DLL). DEF files are useful for developers that use Visual Studio to develop programs that links to your library. See the GNU LD manual for more information.

There are other ways to create a DEF file, but we believe they are all sub-optimal to using --output-def during the build process. The variants we have considered include:

If you are using libtool to build your shared library, here is how to use this module. Import lib-msvc-compat to your project, and then add the following lines to the Makefile.am that builds the library: 

if HAVE_LD_OUTPUT_DEF
libfoo_la_LDFLAGS += -Wl,--output-def,libfoo-$(DLL_VERSION).def
defexecdir = $(bindir)
defexec_DATA = libfoo-$(DLL_VERSION).def
DISTCLEANFILES += $(defexec_DATA)
endif

The DLL_VERSION variable needs to be defined. It should be the shared library version number used in the DLL filename. For Windows targets you compute this value from the values you pass to Libtool’s -version-info. Assuming you have variables LT_CURRENT and LT_AGE defined for the CURRENT and AGE libtool version integers, you compute DLL_VERSION as follows: 

DLL_VERSION=`expr ${LT_CURRENT} - ${LT_AGE}`
AC_SUBST(DLL_VERSION)

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13.15 Supporting Relocation

It has been a pain for many users of GNU packages for a long time that packages are not relocatable. It means a user cannot copy a program, installed by another user on the same machine, to his home directory, and have it work correctly (including i18n). So many users need to go through configure; make; make install with all its dependencies, options, and hurdles.

Red Hat, Debian, and other binary distributions solve the “ease of installation” problem, but they hardwire path names, usually to /usr or /usr/local. This means that users need root privileges to install a binary package, and prevents installing two different versions of the same binary package.

A relocatable program can be moved or copied to a different location on the file system. It is possible to make symlinks to the installed and moved programs, and invoke them through the symlink. It is possible to do the same thing with a hard link only if the hard link file is in the same directory as the real program.

The relocatable-prog module aims to ease the process of making a GNU program relocatable. It helps overcome two obstacles. First, it aids with relocating the hard-coded references to absolute file names that GNU programs often contain. These references must be fixed up at runtime if a program is to be successfully relocated. The relocatable-prog module provides a function relocate that does this job.

Second, the loader must be able to find shared libraries linked to relocatable executables or referenced by other shared libraries linked to relocatable executables. The relocatable-prog module helps out here in a platform-specific way:

You can make your program relocatable by following these steps:

  1. Import the relocatable-prog module.
  2. In every program, add to main as the first statement (even before setting the locale or doing anything related to libintl): 
    set_program_name (argv[0]);

    The prototype for this function is in progname.h.

  3. Everywhere where you use a constant pathname from installation-time, wrap it in relocate so it gets translated to the run-time situation. Example: 
    bindtextdomain (PACKAGE, LOCALEDIR);

    becomes: 

    bindtextdomain (PACKAGE, relocate (LOCALEDIR));

    The prototype for this function is in relocatable.h.

  4. The set_program_name function can also configure some additional libraries to relocate files that they access, by defining corresponding C preprocessor symbols to 1. The libraries for which this is supported and the corresponding preprocessor symbols are:
    libcharset

    DEPENDS_ON_LIBCHARSET

    libiconv

    DEPENDS_ON_LIBICONV

    libintl

    DEPENDS_ON_LIBINTL

    Defining the symbol for a library makes every program in the package depend on that library, whether the program really uses the library or not, so this feature should be used with some caution.

  5. If your package installs shell scripts, also import the relocatable-script module. Then, near the beginning of each shell script that your package installs, add the following: 
    @relocatable_sh@
if test "@RELOCATABLE@" = yes; then
  exec_prefix="@exec_prefix@"
  bindir="@bindir@"
  orig_installdir="$bindir" # see Makefile.am's *_SCRIPTS variables
  func_find_curr_installdir # determine curr_installdir
  func_find_prefixes
  relocate () {
    echo "$1/" \
    | sed -e "s%^${orig_installprefix}/%${curr_installprefix}/%" \
    | sed -e 's,/$,,'
  }
else
  relocate () {
    echo "$1"
  }
fi

# Get some relocated directory names.
sysconfdir=`relocate "@sysconfdir@"`
some_datadir=`relocate "@datadir@/something"`

    You must adapt the definition of orig_installdir, depending on where the script gets installed. Also, at the end, instead of sysconfdir and some_datadir, transform those variables that you need.

  6. In your Makefile.am, for every program foo that gets installed in, say, $(bindir), you add: 
    foo_CPPFLAGS = -DINSTALLDIR=\"$(bindir)\"
if RELOCATABLE_VIA_LD
foo_LDFLAGS = `$(RELOCATABLE_LDFLAGS) $(bindir)`
endif
  7. You may also need to add a couple of variable assignments to your configure.ac.

    If your package (or any package you rely on, e.g. gettext-runtime) will be relocated together with a set of installed shared libraries, then set RELOCATABLE_LIBRARY_PATH to a colon-separated list of those libraries’ directories, e.g. 

    RELOCATABLE_LIBRARY_PATH='$(libdir)'

    If your config.h is not in $(top_builddir), then set RELOCATABLE_CONFIG_H_DIR to its directory, e.g. 

    RELOCATABLE_CONFIG_H_DIR='$(top_builddir)/src'

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13.16 func

The func module makes sure that you can use the predefined identifier __func__ as defined by C99 in your code.

A small example is: 

#include <config.h>
#include <stdio.h> /* for printf */

int main (void)
{
    printf ("%s: hello world\n", __func__);
}

Note that sizeof cannot be applied to __func__: On SunPRO C compiler, sizeof __func__ evaluates to 0.

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13.17 configmake

The configmake module builds a C include file named configmake.h containing the usual installation directory values; for example, those specified by --prefix or --libdir to configure. Each variable is given a #define with an all-uppercase macro name, such as PREFIX and LIBDIR. (Automake cannot create this file directly because the user might override directory values at make time.)

Specifically, the module retrieves values of the variables through configure followed by make, not directly through configure, so that a user who sets some of these variables consistently on the make command line gets correct results.

One advantage of this approach, compared to the classical approach of adding -DLIBDIR=\"$(libdir)\" etc. to AM_CPPFLAGS, is that it protects against the use of undefined variables. That is, if, say, $(libdir) is not set in the Makefile, LIBDIR is not defined by this module, and code using LIBDIR gives a compilation error.

Another advantage is that make output is shorter.

For the complete list of variables which are #defined this way, see the file gnulib/modules/configmake, or inspect your resulting gnulib Makefile.

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13.18 warnings

The warnings module allows to regularly build a package with more GCC warnings than the default warnings emitted by GCC.

It provides the following functionality:

To use this module, you need the following:

  1. In configure.ac, use for example 
    gl_WARN_ADD([-Wall], [WARN_CFLAGS])
gl_WARN_ADD([-Wpointer-arith], [WARN_CFLAGS])
  2. In the directories which shall use WARN_CFLAGS, use it in the definition of AM_CFLAGS, like this: 
    AM_CFLAGS = $(WARN_CFLAGS)

    Note that the AM_CFLAGS is used in combination with CFLAGS and before CFLAGS in build rules emitted by Automake. This allows the user to provide CFLAGS that override the WARN_CFLAGS.

‘gl_WARN_ADD([-Werror])’ is intended for developers, and should be avoided in contexts where it would affect ordinary installation builds. The warnings emitted by GCC depend, to some extent, on the contents of the system header files, on the size and signedness of built-in types, etc. Use of ‘-Werror’ would cause frustration to all users on platforms that the maintainer has not tested before the release. It is better if ‘-Werror’ is off by default, and is enabled only by developers. For example, ‘-Werror’ could affect ‘make distcheck’ or ‘configure --enable-gcc-warnings’ as mentioned above.

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13.19 manywarnings

The manywarnings module allows you to enable as many GCC warnings as possible for your package. The purpose is to protect against introducing new code that triggers warnings that weren’t already triggered by the existing code base.

An example use of the module is as follows: 

gl_MANYWARN_ALL_GCC([warnings])
# Set up the list of the pointless, undesired warnings.
nw=
nw="$nw -Wsystem-headers"       # Don't let system headers trigger warnings
nw="$nw -Wundef"                # All compiler preprocessors support #if UNDEF
nw="$nw -Wtraditional"          # All compilers nowadays support ANSI C
nw="$nw -Wconversion"           # These warnings usually don't point to mistakes.
nw="$nw -Wsign-conversion"      # Likewise.
# Enable all GCC warnings not in this list.
gl_MANYWARN_COMPLEMENT([warnings], [$warnings], [$nw])
for w in $warnings; do
  gl_WARN_ADD([$w])
done

This module is meant to be used by developers who are not very experienced regarding the various GCC warning options. In the beginning you will set the list of undesired warnings (‘nw’ in the example above) to empty, and compile the package with all possible warnings enabled. The GCC option -fdiagnostics-show-option, available in GCC 4.1 or newer, helps understanding which warnings originated from which option. Then you will go through the list of warnings. You will likely deactivate warnings that occur often and don’t point to mistakes in the code, by adding them to the ‘nw’ variable, then reconfiguring and recompiling. When warnings point to real mistakes and bugs in the code, you will of course not disable them.

There are also many GCC warning options which usually don’t point to mistakes in the code; these warnings enforce a certain programming style. It is a project management decision whether you want your code to follow any of these styles. Note that some of these programming styles are conflicting. You cannot have them all; you have to choose among them.

When a new version of GCC is released, you can add the new warning options that it introduces into the gl_MANYWARN_ALL_GCC macro (and submit your modification to the Gnulib maintainers :-)), and enjoy the benefits of the new warnings, while adding the undesired ones to the ‘nw’ variable.

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13.20 Running self-tests under valgrind

For projects written in C or similar languages, running the self-tests under Valgrind can reveal hard to find memory issues. The valgrind-tests module searches for Valgrind and declares the VALGRIND automake variable for use with automake’s TESTS_ENVIRONMENT.

After importing the valgrind-tests module to your project, you use it by adding the following to the Makefile.am that runs the self-tests: 

TESTS_ENVIRONMENT = $(VALGRIND)

This will run all self-checks under valgrind. This can be wasteful if you have many shell scripts or other non-binaries. Using the Automake parallel-tests feature, this can be avoided by using the following instead: 

AUTOMAKE_OPTIONS = parallel-tests
TEST_EXTENSIONS = .pl .sh
LOG_COMPILER = $(VALGRIND)

Then valgrind will only be used for the non-.sh and non-.pl tests. However, this means that binaries invoked through scripts will not be invoked under valgrind, which could be solved by adding the following: 

TESTS_ENVIRONMENT = VALGRIND='$(VALGRIND)'

And then modify the shell scripts to invoke the binary prefixed with $VALGRIND.

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13.21 stat-size

The stat-size module provides a small number of macros intended for interpreting the file size information in an instance of struct stat.

On POSIX systems, the st_blocks member of struct stat contains the number of disk blocks occupied by a file. The ST_NBLOCKS macro is used to estimate this quantity on systems which don’t actually have st_blocks. Each of these blocks contains ST_NBLOCKSIZE bytes.

The value of ST_NBLOCKSIZE is often quite small, small enough that performing I/O in chunks that size would be inefficient. ST_BLKSIZE is the I/O block size recommended for I/O to this file. This is not guaranteed to give optimum performance, but it should be reasonably efficient.

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14 Regular expressions

• Overview:  
• Regular Expression Syntax:  
• Common Operators:  
• GNU Operators:  
• GNU Emacs Operators:  
• What Gets Matched?:  
• Programming with Regex:  
• Regular expression syntaxes:  

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14.1 Overview

A regular expression (or regexp, or pattern) is a text string that describes some (mathematical) set of strings. A regexp r matches a string s if s is in the set of strings described by r.

Using the Regex library, you can:

Some regular expressions match only one string, i.e., the set they describe has only one member. For example, the regular expression ‘foo’ matches the string ‘foo’ and no others. Other regular expressions match more than one string, i.e., the set they describe has more than one member. For example, the regular expression ‘f*’ matches the set of strings made up of any number (including zero) of ‘f’s. As you can see, some characters in regular expressions match themselves (such as ‘f’) and some don’t (such as ‘*’); the ones that don’t match themselves instead let you specify patterns that describe many different strings.

To either match or search for a regular expression with the Regex library functions, you must first compile it with a Regex pattern compiling function. A compiled pattern is a regular expression converted to the internal format used by the library functions. Once you’ve compiled a pattern, you can use it for matching or searching any number of times.

The Regex library is used by including regex.h. Regex provides three groups of functions with which you can operate on regular expressions. One group—the GNU group—is more powerful but not completely compatible with the other two, namely the POSIX and Berkeley Unix groups; its interface was designed specifically for GNU.

We wrote this chapter with programmers in mind, not users of programs—such as Emacs—that use Regex. We describe the Regex library in its entirety, not how to write regular expressions that a particular program understands.

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14.2 Regular Expression Syntax

Characters are things you can type. Operators are things in a regular expression that match one or more characters. You compose regular expressions from operators, which in turn you specify using one or more characters.

Most characters represent what we call the match-self operator, i.e., they match themselves; we call these characters ordinary. Other characters represent either all or parts of fancier operators; e.g., ‘.’ represents what we call the match-any-character operator (which, no surprise, matches (almost) any character); we call these characters special. Two different things determine what characters represent what operators:

  1. the regular expression syntax your program has told the Regex library to recognize, and
  2. the context of the character in the regular expression.

In the following sections, we describe these things in more detail.

• Syntax Bits:  
• Predefined Syntaxes:  
• Collating Elements vs. Characters:  
• The Backslash Character:  

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14.2.1 Syntax Bits

In any particular syntax for regular expressions, some characters are always special, others are sometimes special, and others are never special. The particular syntax that Regex recognizes for a given regular expression depends on the current syntax (as set by re_set_syntax) when the pattern buffer of that regular expression was compiled.

You get a pattern buffer by compiling a regular expression. See GNU Pattern Buffers, for more information on pattern buffers. See GNU Regular Expression Compiling, and BSD Regular Expression Compiling, for more information on compiling.

Regex considers the current syntax to be a collection of bits; we refer to these bits as syntax bits. In most cases, they affect what characters represent what operators. We describe the meanings of the operators to which we refer in Common Operators, GNU Operators, and GNU Emacs Operators.

For reference, here is the complete list of syntax bits, in alphabetical order:

RE_BACKSLASH_ESCAPE_IN_LISTS

If this bit is set, then ‘\’ inside a list (see List Operators quotes (makes ordinary, if it’s special) the following character; if this bit isn’t set, then ‘\’ is an ordinary character inside lists. (See The Backslash Character, for what ‘\’ does outside of lists.)

RE_BK_PLUS_QM

If this bit is set, then ‘\+’ represents the match-one-or-more operator and ‘\?’ represents the match-zero-or-more operator; if this bit isn’t set, then ‘+’ represents the match-one-or-more operator and ‘?’ represents the match-zero-or-one operator. This bit is irrelevant if RE_LIMITED_OPS is set.

RE_CHAR_CLASSES

If this bit is set, then you can use character classes in lists; if this bit isn’t set, then you can’t.

RE_CONTEXT_INDEP_ANCHORS

If this bit is set, then ‘^’ and ‘$’ are special anywhere outside a list; if this bit isn’t set, then these characters are special only in certain contexts. See Match-beginning-of-line Operator, and Match-end-of-line Operator.

RE_CONTEXT_INDEP_OPS

If this bit is set, then certain characters are special anywhere outside a list; if this bit isn’t set, then those characters are special only in some contexts and are ordinary elsewhere. Specifically, if this bit isn’t set then ‘*’, and (if the syntax bit RE_LIMITED_OPS isn’t set) ‘+’ and ‘?’ (or ‘\+’ and ‘\?’, depending on the syntax bit RE_BK_PLUS_QM) represent repetition operators only if they’re not first in a regular expression or just after an open-group or alternation operator. The same holds for ‘{’ (or ‘\{’, depending on the syntax bit RE_NO_BK_BRACES) if it is the beginning of a valid interval and the syntax bit RE_INTERVALS is set.

RE_CONTEXT_INVALID_DUP

If this bit is set, then an open-interval operator cannot occur at the start of a regular expression, or immediately after an alternation, open-group or close-interval operator.

RE_CONTEXT_INVALID_OPS

If this bit is set, then repetition and alternation operators can’t be in certain positions within a regular expression. Specifically, the regular expression is invalid if it has:

If this bit isn’t set, then you can put the characters representing the repetition and alternation characters anywhere in a regular expression. Whether or not they will in fact be operators in certain positions depends on other syntax bits.

RE_DEBUG

If this bit is set, and the regex library was compiled with -DDEBUG, then internal debugging is turned on; if unset, then it is turned off.

RE_DOT_NEWLINE

If this bit is set, then the match-any-character operator matches a newline; if this bit isn’t set, then it doesn’t.

RE_DOT_NOT_NULL

If this bit is set, then the match-any-character operator doesn’t match a null character; if this bit isn’t set, then it does.

RE_HAT_LISTS_NOT_NEWLINE

If this bit is set, nonmatching lists ‘[^...]’ do not match newline; if not set, they do.

RE_ICASE

If this bit is set, then ignore case when matching; otherwise, case is significant.

RE_INTERVALS

If this bit is set, then Regex recognizes interval operators; if this bit isn’t set, then it doesn’t.

RE_INVALID_INTERVAL_ORD

If this bit is set, a syntactically invalid interval is treated as a string of ordinary characters. For example, the extended regular expression ‘a{1’ is treated as ‘a\{1’.

RE_LIMITED_OPS

If this bit is set, then Regex doesn’t recognize the match-one-or-more, match-zero-or-one or alternation operators; if this bit isn’t set, then it does.

RE_NEWLINE_ALT

If this bit is set, then newline represents the alternation operator; if this bit isn’t set, then newline is ordinary.

RE_NO_BK_BRACES

If this bit is set, then ‘{’ represents the open-interval operator and ‘}’ represents the close-interval operator; if this bit isn’t set, then ‘\{’ represents the open-interval operator and ‘\}’ represents the close-interval operator. This bit is relevant only if RE_INTERVALS is set.

RE_NO_BK_PARENS

If this bit is set, then ‘(’ represents the open-group operator and ‘)’ represents the close-group operator; if this bit isn’t set, then ‘\(’ represents the open-group operator and ‘\)’ represents the close-group operator.

RE_NO_BK_REFS

If this bit is set, then Regex doesn’t recognize ‘\’digit as the back reference operator; if this bit isn’t set, then it does.

RE_NO_BK_VBAR

If this bit is set, then ‘|’ represents the alternation operator; if this bit isn’t set, then ‘\|’ represents the alternation operator. This bit is irrelevant if RE_LIMITED_OPS is set.

RE_NO_EMPTY_RANGES

If this bit is set, then a regular expression with a range whose ending point collates lower than its starting point is invalid; if this bit isn’t set, then Regex considers such a range to be empty.

RE_NO_GNU_OPS

If this bit is set, GNU regex operators are not recognized; otherwise, they are.

RE_NO_POSIX_BACKTRACKING

If this bit is set, succeed as soon as we match the whole pattern, without further backtracking. This means that a match may not be the leftmost longest; see What Gets Matched? for what this means.

RE_NO_SUB

If this bit is set, then no_sub will be set to one during re_compile_pattern. This causes matching and searching routines not to record substring match information.

RE_UNMATCHED_RIGHT_PAREN_ORD

If this bit is set and the regular expression has no matching open-group operator, then Regex considers what would otherwise be a close-group operator (based on how RE_NO_BK_PARENS is set) to match ‘)’.

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14.2.2 Predefined Syntaxes

If you’re programming with Regex, you can set a pattern buffer’s (see GNU Pattern Buffers) syntax either to an arbitrary combination of syntax bits (see Syntax Bits) or else to the configurations defined by Regex. These configurations define the syntaxes used by certain programs—GNU Emacs, POSIX Awk, traditional Awk, Grep, Egrep—in addition to syntaxes for POSIX basic and extended regular expressions.

The predefined syntaxes—taken directly from regex.h—are: 

#define RE_SYNTAX_EMACS 0

#define RE_SYNTAX_AWK                                                   \
  (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL                       \
   | RE_NO_BK_PARENS            | RE_NO_BK_REFS                         \
   | RE_NO_BK_VBAR               | RE_NO_EMPTY_RANGES                   \
   | RE_UNMATCHED_RIGHT_PAREN_ORD)

#define RE_SYNTAX_POSIX_AWK                                             \
  (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS)

#define RE_SYNTAX_GREP                                                  \
  (RE_BK_PLUS_QM              | RE_CHAR_CLASSES                         \
   | RE_HAT_LISTS_NOT_NEWLINE | RE_INTERVALS                            \
   | RE_NEWLINE_ALT)

#define RE_SYNTAX_EGREP                                                 \
  (RE_CHAR_CLASSES        | RE_CONTEXT_INDEP_ANCHORS                    \
   | RE_CONTEXT_INDEP_OPS | RE_HAT_LISTS_NOT_NEWLINE                    \
   | RE_NEWLINE_ALT       | RE_NO_BK_PARENS                             \
   | RE_NO_BK_VBAR)

#define RE_SYNTAX_POSIX_EGREP                                           \
  (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES)

/* P1003.2/D11.2, section 4.20.7.1, lines 5078ff.  */
#define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC

#define RE_SYNTAX_SED RE_SYNTAX_POSIX_BASIC

/* Syntax bits common to both basic and extended POSIX regex syntax.  */
#define _RE_SYNTAX_POSIX_COMMON                                         \
  (RE_CHAR_CLASSES | RE_DOT_NEWLINE      | RE_DOT_NOT_NULL              \
   | RE_INTERVALS  | RE_NO_EMPTY_RANGES)

#define RE_SYNTAX_POSIX_BASIC                                           \
  (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM)

/* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes
   RE_LIMITED_OPS, i.e., \? \+ \| are not recognized.  Actually, this
   isn't minimal, since other operators, such as \`, aren't disabled.  */
#define RE_SYNTAX_POSIX_MINIMAL_BASIC                                   \
  (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)

#define RE_SYNTAX_POSIX_EXTENDED                                        \
  (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS                   \
   | RE_CONTEXT_INDEP_OPS  | RE_NO_BK_BRACES                            \
   | RE_NO_BK_PARENS       | RE_NO_BK_VBAR                              \
   | RE_UNMATCHED_RIGHT_PAREN_ORD)

/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS
   replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added.  */
#define RE_SYNTAX_POSIX_MINIMAL_EXTENDED                                \
  (_RE_SYNTAX_POSIX_COMMON  | RE_CONTEXT_INDEP_ANCHORS                  \
   | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES                           \
   | RE_NO_BK_PARENS        | RE_NO_BK_REFS                             \
   | RE_NO_BK_VBAR          | RE_UNMATCHED_RIGHT_PAREN_ORD)

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14.2.3 Collating Elements vs. Characters

POSIX generalizes the notion of a character to that of a collating element. It defines a collating element to be “a sequence of one or more bytes defined in the current collating sequence as a unit of collation.”

This generalizes the notion of a character in two ways. First, a single character can map into two or more collating elements. For example, the German collates as the collating element ‘s’ followed by another collating element ‘s’. Second, two or more characters can map into one collating element. For example, the Spanish ‘ll’ collates after ‘l’ and before ‘m’.

Since POSIX’s “collating element” preserves the essential idea of a “character,” we use the latter, more familiar, term in this document.

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14.2.4 The Backslash Character

The ‘\’ character has one of four different meanings, depending on the context in which you use it and what syntax bits are set (see Syntax Bits). It can: 1) stand for itself, 2) quote the next character, 3) introduce an operator, or 4) do nothing.

  1. It stands for itself inside a list (see List Operators) if the syntax bit RE_BACKSLASH_ESCAPE_IN_LISTS is not set. For example, ‘[\]’ would match ‘\’.
  2. It quotes (makes ordinary, if it’s special) the next character when you use it either:
  3. It introduces an operator when followed by certain ordinary characters—sometimes only when certain syntax bits are set. See the cases RE_BK_PLUS_QM, RE_NO_BK_BRACES, RE_NO_BK_VAR, RE_NO_BK_PARENS, RE_NO_BK_REF in Syntax Bits. Also:
  4. In all other cases, Regex ignores ‘\’. For example, ‘\n’ matches ‘n’.

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14.3 Common Operators

You compose regular expressions from operators. In the following sections, we describe the regular expression operators specified by POSIX; GNU also uses these. Most operators have more than one representation as characters. See Regular Expression Syntax, for what characters represent what operators under what circumstances.

For most operators that can be represented in two ways, one representation is a single character and the other is that character preceded by ‘\’. For example, either ‘(’ or ‘\(’ represents the open-group operator. Which one does depends on the setting of a syntax bit, in this case RE_NO_BK_PARENS. Why is this so? Historical reasons dictate some of the varying representations, while POSIX dictates others.

Finally, almost all characters lose any special meaning inside a list (see List Operators).

• Match-self Operator:  Ordinary characters.
• Match-any-character Operator:  .
• Concatenation Operator:  Juxtaposition.
• Repetition Operators:  * + ? {}
• Alternation Operator:  |
• List Operators:  [...] [^...]
• Grouping Operators:  (...)
• Back-reference Operator:  \digit
• Anchoring Operators:  ^ $

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14.3.1 The Match-self Operator (ordinary character)

This operator matches the character itself. All ordinary characters (see Regular Expression Syntax) represent this operator. For example, ‘f’ is always an ordinary character, so the regular expression ‘f’ matches only the string ‘f’. In particular, it does not match the string ‘ff’.

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14.3.2 The Match-any-character Operator (.)

This operator matches any single printing or nonprinting character except it won’t match a:

newline

if the syntax bit RE_DOT_NEWLINE isn’t set.

null

if the syntax bit RE_DOT_NOT_NULL is set.

The ‘.’ (period) character represents this operator. For example, ‘a.b’ matches any three-character string beginning with ‘a’ and ending with ‘b’.

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14.3.3 The Concatenation Operator

This operator concatenates two regular expressions a and b. No character represents this operator; you simply put b after a. The result is a regular expression that will match a string if a matches its first part and b matches the rest. For example, ‘xy’ (two match-self operators) matches ‘xy’.

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14.3.4 Repetition Operators

Repetition operators repeat the preceding regular expression a specified number of times.

• Match-zero-or-more Operator:  *
• Match-one-or-more Operator:  +
• Match-zero-or-one Operator:  ?
• Interval Operators:  {}

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14.3.4.1 The Match-zero-or-more Operator (*)

This operator repeats the smallest possible preceding regular expression as many times as necessary (including zero) to match the pattern. ‘*’ represents this operator. For example, ‘o*’ matches any string made up of zero or more ‘o’s. Since this operator operates on the smallest preceding regular expression, ‘fo*’ has a repeating ‘o’, not a repeating ‘fo’. So, ‘fo*’ matches ‘f’, ‘fo’, ‘foo’, and so on.

Since the match-zero-or-more operator is a suffix operator, it may be useless as such when no regular expression precedes it. This is the case when it:

Three different things can happen in these cases:

  1. If the syntax bit RE_CONTEXT_INVALID_OPS is set, then the regular expression is invalid.
  2. If RE_CONTEXT_INVALID_OPS isn’t set, but RE_CONTEXT_INDEP_OPS is, then ‘*’ represents the match-zero-or-more operator (which then operates on the empty string).
  3. Otherwise, ‘*’ is ordinary.

The matcher processes a match-zero-or-more operator by first matching as many repetitions of the smallest preceding regular expression as it can. Then it continues to match the rest of the pattern.

If it can’t match the rest of the pattern, it backtracks (as many times as necessary), each time discarding one of the matches until it can either match the entire pattern or be certain that it cannot get a match. For example, when matching ‘ca*ar’ against ‘caaar’, the matcher first matches all three ‘a’s of the string with the ‘a*’ of the regular expression. However, it cannot then match the final ‘ar’ of the regular expression against the final ‘r’ of the string. So it backtracks, discarding the match of the last ‘a’ in the string. It can then match the remaining ‘ar’.

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14.3.4.2 The Match-one-or-more Operator (+ or \+)

If the syntax bit RE_LIMITED_OPS is set, then Regex doesn’t recognize this operator. Otherwise, if the syntax bit RE_BK_PLUS_QM isn’t set, then ‘+’ represents this operator; if it is, then ‘\+’ does.

This operator is similar to the match-zero-or-more operator except that it repeats the preceding regular expression at least once; see Match-zero-or-more Operator, for what it operates on, how some syntax bits affect it, and how Regex backtracks to match it.

For example, supposing that ‘+’ represents the match-one-or-more operator; then ‘ca+r’ matches, e.g., ‘car’ and ‘caaaar’, but not ‘cr’.

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14.3.4.3 The Match-zero-or-one Operator (? or \?)

If the syntax bit RE_LIMITED_OPS is set, then Regex doesn’t recognize this operator. Otherwise, if the syntax bit RE_BK_PLUS_QM isn’t set, then ‘?’ represents this operator; if it is, then ‘\?’ does.

This operator is similar to the match-zero-or-more operator except that it repeats the preceding regular expression once or not at all; see Match-zero-or-more Operator, to see what it operates on, how some syntax bits affect it, and how Regex backtracks to match it.

For example, supposing that ‘?’ represents the match-zero-or-one operator; then ‘ca?r’ matches both ‘car’ and ‘cr’, but nothing else.

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14.3.4.4 Interval Operators ({ … } or \{ … \})

If the syntax bit RE_INTERVALS is set, then Regex recognizes interval expressions. They repeat the smallest possible preceding regular expression a specified number of times.

If the syntax bit RE_NO_BK_BRACES is set, ‘{’ represents the open-interval operator and ‘}’ represents the close-interval operator ; otherwise, ‘\{’ and ‘\}’ do.

Specifically, supposing that ‘{’ and ‘}’ represent the open-interval and close-interval operators; then:

{count}

matches exactly count occurrences of the preceding regular expression.

{min,}

matches min or more occurrences of the preceding regular expression.

{min, max}

matches at least min but no more than max occurrences of the preceding regular expression.

The interval expression (but not necessarily the regular expression that contains it) is invalid if:

If the interval expression is invalid and the syntax bit RE_NO_BK_BRACES is set, then Regex considers all the characters in the would-be interval to be ordinary. If that bit isn’t set, then the regular expression is invalid.

If the interval expression is valid but there is no preceding regular expression on which to operate, then if the syntax bit RE_CONTEXT_INVALID_OPS is set, the regular expression is invalid. If that bit isn’t set, then Regex considers all the characters—other than backslashes, which it ignores—in the would-be interval to be ordinary.

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14.3.5 The Alternation Operator (| or \|)

If the syntax bit RE_LIMITED_OPS is set, then Regex doesn’t recognize this operator. Otherwise, if the syntax bit RE_NO_BK_VBAR is set, then ‘|’ represents this operator; otherwise, ‘\|’ does.

Alternatives match one of a choice of regular expressions: if you put the character(s) representing the alternation operator between any two regular expressions a and b, the result matches the union of the strings that a and b match. For example, supposing that ‘|’ is the alternation operator, then ‘foo|bar|quux’ would match any of ‘foo’, ‘bar’ or ‘quux’.

The alternation operator operates on the largest possible surrounding regular expressions. (Put another way, it has the lowest precedence of any regular expression operator.) Thus, the only way you can delimit its arguments is to use grouping. For example, if ‘(’ and ‘)’ are the open and close-group operators, then ‘fo(o|b)ar’ would match either ‘fooar’ or ‘fobar’. (‘foo|bar’ would match ‘foo’ or ‘bar’.)

The matcher usually tries all combinations of alternatives so as to match the longest possible string. For example, when matching ‘(fooq|foo)*(qbarquux|bar)’ against ‘fooqbarquux’, it cannot take, say, the first (“depth-first”) combination it could match, since then it would be content to match just ‘fooqbar’.

Note that since the default behavior is to return the leftmost longest match, when more than one of a series of alternatives matches the actual match will be the longest matching alternative, not necessarily the first in the list.

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14.3.6 List Operators ([ … ] and [^ … ])

Lists, also called bracket expressions, are a set of one or more items. An item is a character, a collating symbol, an equivalence class expression, a character class expression, or a range expression. The syntax bits affect which kinds of items you can put in a list. We explain the last four items in subsections below. Empty lists are invalid.

A matching list matches a single character represented by one of the list items. You form a matching list by enclosing one or more items within an open-matching-list operator (represented by ‘[’) and a close-list operator (represented by ‘]’).

For example, ‘[ab]’ matches either ‘a’ or ‘b’. ‘[ad]*’ matches the empty string and any string composed of just ‘a’s and ‘d’s in any order. Regex considers invalid a regular expression with a ‘[’ but no matching ‘]’.

Nonmatching lists are similar to matching lists except that they match a single character not represented by one of the list items. You use an open-nonmatching-list operator (represented by ‘[^’2) instead of an open-matching-list operator to start a nonmatching list.

For example, ‘[^ab]’ matches any character except ‘a’ or ‘b’.

If the syntax bit RE_HAT_LISTS_NOT_NEWLINE is set, then nonmatching lists do not match a newline.

Most characters lose any special meaning inside a list. The special characters inside a list follow.

‘]’

ends the list if it’s not the first list item. So, if you want to make the ‘]’ character a list item, you must put it first.

‘\’

quotes the next character if the syntax bit RE_BACKSLASH_ESCAPE_IN_LISTS is set.

‘[.’

represents the open-collating-symbol operator (see Collating Symbol Operators).

‘.]’

represents the close-collating-symbol operator.

‘[=’

represents the open-equivalence-class operator (see Equivalence Class Operators).

‘=]’

represents the close-equivalence-class operator.

‘[:’

represents the open-character-class operator (see Character Class Operators) if the syntax bit RE_CHAR_CLASSES is set and what follows is a valid character class expression.

‘:]’

represents the close-character-class operator if the syntax bit RE_CHAR_CLASSES is set and what precedes it is an open-character-class operator followed by a valid character class name.

‘-’

represents the range operator (see Range Operator) if it’s not first or last in a list or the ending point of a range.

All other characters are ordinary. For example, ‘[.*]’ matches ‘.’ and ‘*’.

• Collating Symbol Operators:  [.elem.]
• Equivalence Class Operators:  [=class=]
• Character Class Operators:  [:class:]
• Range Operator:  start-end

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14.3.6.1 Collating Symbol Operators ([. … .])

Collating symbols can be represented inside lists. You form a collating symbol by putting a collating element between an open-collating-symbol operator and a close-collating-symbol operator. ‘[.’ represents the open-collating-symbol operator and ‘.]’ represents the close-collating-symbol operator. For example, if ‘ll’ is a collating element, then ‘[[.ll.]]’ would match ‘ll’.

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14.3.6.2 Equivalence Class Operators ([= … =])

Regex recognizes equivalence class expressions inside lists. A equivalence class expression is a set of collating elements which all belong to the same equivalence class. You form an equivalence class expression by putting a collating element between an open-equivalence-class operator and a close-equivalence-class operator. ‘[=’ represents the open-equivalence-class operator and ‘=]’ represents the close-equivalence-class operator. For example, if ‘a’ and ‘A’ were an equivalence class, then both ‘[[=a=]]’ and ‘[[=A=]]’ would match both ‘a’ and ‘A’. If the collating element in an equivalence class expression isn’t part of an equivalence class, then the matcher considers the equivalence class expression to be a collating symbol.

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14.3.6.3 Character Class Operators ([: … :])

If the syntax bit RE_CHAR_CLASSES is set, then Regex recognizes character class expressions inside lists. A character class expression matches one character from a given class. You form a character class expression by putting a character class name between an open-character-class operator (represented by ‘[:’) and a close-character-class operator (represented by ‘:]’). The character class names and their meanings are:

alnum

letters and digits

alpha

letters

blank

system-dependent; for GNU, a space or tab

cntrl

control characters (in the ASCII encoding, code 0177 and codes less than 040)

digit

digits

graph

same as print except omits space

lower

lowercase letters

print

printable characters (in the ASCII encoding, space tilde—codes 040 through 0176)

punct

neither control nor alphanumeric characters

space

space, carriage return, newline, vertical tab, and form feed

upper

uppercase letters

xdigit

hexadecimal digits: 0–9, a–f, A–F

These correspond to the definitions in the C library’s <ctype.h> facility. For example, ‘[:alpha:]’ corresponds to the standard facility isalpha. Regex recognizes character class expressions only inside of lists; so ‘[[:alpha:]]’ matches any letter, but ‘[:alpha:]’ outside of a bracket expression and not followed by a repetition operator matches just itself.

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14.3.6.4 The Range Operator (-)

Regex recognizes range expressions inside a list. They represent those characters that fall between two elements in the current collating sequence. You form a range expression by putting a range operator between two of any of the following: characters, collating elements, collating symbols, and equivalence class expressions. The starting point of the range and the ending point of the range don’t have to be the same kind of item, e.g., the starting point could be a collating element and the ending point could be an equivalence class expression. If a range’s ending point is an equivalence class, then all the collating elements in that class will be in the range.3 ‘-’ represents the range operator. For example, ‘a-f’ within a list represents all the characters from ‘a’ through ‘f’ inclusively.

If the syntax bit RE_NO_EMPTY_RANGES is set, then if the range’s ending point collates less than its starting point, the range (and the regular expression containing it) is invalid. For example, the regular expression ‘[z-a]’ would be invalid. If this bit isn’t set, then Regex considers such a range to be empty.

Since ‘-’ represents the range operator, if you want to make a ‘-’ character itself a list item, you must do one of the following:

For example, ‘[-a-z]’ matches a lowercase letter or a hyphen (in English, in ASCII).

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14.3.7 Grouping Operators (( … ) or \( … \))

A group, also known as a subexpression, consists of an open-group operator, any number of other operators, and a close-group operator. Regex treats this sequence as a unit, just as mathematics and programming languages treat a parenthesized expression as a unit.

Therefore, using groups, you can:

If the syntax bit RE_NO_BK_PARENS is set, then ‘(’ represents the open-group operator and ‘)’ represents the close-group operator; otherwise, ‘\(’ and ‘\)’ do.

If the syntax bit RE_UNMATCHED_RIGHT_PAREN_ORD is set and a close-group operator has no matching open-group operator, then Regex considers it to match ‘)’.

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14.3.8 The Back-reference Operator (\digit)

If the syntax bit RE_NO_BK_REF isn’t set, then Regex recognizes back references. A back reference matches a specified preceding group. The back reference operator is represented by ‘\digit’ anywhere after the end of a regular expression’s digit-th group (see Grouping Operators).

digit must be between ‘1’ and ‘9’. The matcher assigns numbers 1 through 9 to the first nine groups it encounters. By using one of ‘\1’ through ‘\9’ after the corresponding group’s close-group operator, you can match a substring identical to the one that the group does.

Back references match according to the following (in all examples below, ‘(’ represents the open-group, ‘)’ the close-group, ‘{’ the open-interval and ‘}’ the close-interval operator):

You can use a back reference as an argument to a repetition operator. For example, ‘(a(b))\2*’ matches ‘a’ followed by two or more ‘b’s. Similarly, ‘(a(b))\2{3}’ matches ‘abbbb’.

If there is no preceding digit-th subexpression, the regular expression is invalid.

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14.3.9 Anchoring Operators

These operators can constrain a pattern to match only at the beginning or end of the entire string or at the beginning or end of a line.

• Match-beginning-of-line Operator:  ^
• Match-end-of-line Operator:  $

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14.3.9.1 The Match-beginning-of-line Operator (^)

This operator can match the empty string either at the beginning of the string or after a newline character. Thus, it is said to anchor the pattern to the beginning of a line.

In the cases following, ‘^’ represents this operator. (Otherwise, ‘^’ is ordinary.)

These rules imply that some valid patterns containing ‘^’ cannot be matched; for example, ‘foo^bar’ if RE_CONTEXT_INDEP_ANCHORS is set.

If the not_bol field is set in the pattern buffer (see GNU Pattern Buffers), then ‘^’ fails to match at the beginning of the string. This lets you match against pieces of a line, as you would need to if, say, searching for repeated instances of a given pattern in a line; it would work correctly for patterns both with and without match-beginning-of-line operators.

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14.3.9.2 The Match-end-of-line Operator ($)

This operator can match the empty string either at the end of the string or before a newline character in the string. Thus, it is said to anchor the pattern to the end of a line.

It is always represented by ‘$’. For example, ‘foo$’ usually matches, e.g., ‘foo’ and, e.g., the first three characters of ‘foo\nbar’.

Its interaction with the syntax bits and pattern buffer fields is exactly the dual of ‘^’’s; see the previous section. (That is, “‘^’” becomes “‘$’”, “beginning” becomes “end”, “next” becomes “previous”, “after” becomes “before”, and “not_bol” becomes “not_eol”.)

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14.4 GNU Operators

Following are operators that GNU defines (and POSIX doesn’t).

• Word Operators:  
• Buffer Operators:  

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14.4.1 Word Operators

The operators in this section require Regex to recognize parts of words. Regex uses a syntax table to determine whether or not a character is part of a word, i.e., whether or not it is word-constituent.

• Non-Emacs Syntax Tables:  
• Match-word-boundary Operator:  \b
• Match-within-word Operator:  \B
• Match-beginning-of-word Operator:  \<
• Match-end-of-word Operator:  \>
• Match-word-constituent Operator:  \w
• Match-non-word-constituent Operator:  \W

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14.4.1.1 Non-Emacs Syntax Tables

A syntax table is an array indexed by the characters in your character set. In the ASCII encoding, therefore, a syntax table has 256 elements. Regex always uses a char * variable re_syntax_table as its syntax table. In some cases, it initializes this variable and in others it expects you to initialize it.

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14.4.1.2 The Match-word-boundary Operator (\b)

This operator (represented by ‘\b’) matches the empty string at either the beginning or the end of a word. For example, ‘\brat\b’ matches the separate word ‘rat’.

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14.4.1.3 The Match-within-word Operator (\B)

This operator (represented by ‘\B’) matches the empty string within a word. For example, ‘c\Brat\Be’ matches ‘crate’, but ‘dirty \Brat’ doesn’t match ‘dirty rat’.

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14.4.1.4 The Match-beginning-of-word Operator (\<)

This operator (represented by ‘\<’) matches the empty string at the beginning of a word.

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14.4.1.5 The Match-end-of-word Operator (\>)

This operator (represented by ‘\>’) matches the empty string at the end of a word.

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14.4.1.6 The Match-word-constituent Operator (\w)

This operator (represented by ‘\w’) matches any word-constituent character.

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14.4.1.7 The Match-non-word-constituent Operator (\W)

This operator (represented by ‘\W’) matches any character that is not word-constituent.

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14.4.2 Buffer Operators

Following are operators which work on buffers. In Emacs, a buffer is, naturally, an Emacs buffer. For other programs, Regex considers the entire string to be matched as the buffer.

• Match-beginning-of-buffer Operator:  \‘
• Match-end-of-buffer Operator:  \’

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14.4.2.1 The Match-beginning-of-buffer Operator (\`)

This operator (represented by ‘\`’) matches the empty string at the beginning of the buffer.

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14.4.2.2 The Match-end-of-buffer Operator (\')

This operator (represented by ‘\'’) matches the empty string at the end of the buffer.

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14.5 GNU Emacs Operators

Following are operators that GNU defines (and POSIX doesn’t) that you can use only when Regex is compiled with the preprocessor symbol emacs defined.

• Syntactic Class Operators:  

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14.5.1 Syntactic Class Operators

The operators in this section require Regex to recognize the syntactic classes of characters. Regex uses a syntax table to determine this.

• Emacs Syntax Tables:  
• Match-syntactic-class Operator:  \sCLASS
• Match-not-syntactic-class Operator:  \SCLASS

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14.5.1.1 Emacs Syntax Tables

A syntax table is an array indexed by the characters in your character set. In the ASCII encoding, therefore, a syntax table has 256 elements.

If Regex is compiled with the preprocessor symbol emacs defined, then Regex expects you to define and initialize the variable re_syntax_table to be an Emacs syntax table. Emacs’ syntax tables are more complicated than Regex’s own (see Non-Emacs Syntax Tables). See Syntax in The GNU Emacs User’s Manual, for a description of Emacs’ syntax tables.

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14.5.1.2 The Match-syntactic-class Operator (\sclass)

This operator matches any character whose syntactic class is represented by a specified character. ‘\sclass’ represents this operator where class is the character representing the syntactic class you want. For example, ‘w’ represents the syntactic class of word-constituent characters, so ‘\sw’ matches any word-constituent character.

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14.5.1.3 The Match-not-syntactic-class Operator (\Sclass)

This operator is similar to the match-syntactic-class operator except that it matches any character whose syntactic class is not represented by the specified character. ‘\Sclass’ represents this operator. For example, ‘w’ represents the syntactic class of word-constituent characters, so ‘\Sw’ matches any character that is not word-constituent.

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14.6 What Gets Matched?

Regex usually matches strings according to the “leftmost longest” rule; that is, it chooses the longest of the leftmost matches. This does not mean that for a regular expression containing subexpressions that it simply chooses the longest match for each subexpression, left to right; the overall match must also be the longest possible one.

For example, ‘(ac*)(c*d[ac]*)\1’ matches ‘acdacaaa’, not ‘acdac’, as it would if it were to choose the longest match for the first subexpression.

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14.7 Programming with Regex

Here we describe how you use the Regex data structures and functions in C programs. Regex has three interfaces: one designed for GNU, one compatible with POSIX (as specified by POSIX, draft 1003.2/D11.2), and one compatible with Berkeley Unix. The POSIX interface is not documented here; see the documentation of GNU libc, or the POSIX man pages. The Berkeley Unix interface is documented here for convenience, since its documentation is not otherwise readily available on GNU systems.

• GNU Regex Functions:  
• BSD Regex Functions:  

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14.7.1 GNU Regex Functions

If you’re writing code that doesn’t need to be compatible with either POSIX or Berkeley Unix, you can use these functions. They provide more options than the other interfaces.

• GNU Pattern Buffers:  The re_pattern_buffer type.
• GNU Regular Expression Compiling:  re_compile_pattern ()
• GNU Matching:  re_match ()
• GNU Searching:  re_search ()
• Matching/Searching with Split Data:  re_match_2 (), re_search_2 ()
• Searching with Fastmaps:  re_compile_fastmap ()
• GNU Translate Tables:  The translate field.
• Using Registers:  The re_registers type and related fns.
• Freeing GNU Pattern Buffers:  regfree ()

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14.7.1.1 GNU Pattern Buffers

To compile, match, or search for a given regular expression, you must supply a pattern buffer. A pattern buffer holds one compiled regular expression.4

You can have several different pattern buffers simultaneously, each holding a compiled pattern for a different regular expression.

regex.h defines the pattern buffer struct with the following public fields: 

  unsigned char *buffer;
  unsigned long allocated;
  char *fastmap;
  char *translate;
  size_t re_nsub;
  unsigned no_sub : 1;
  unsigned not_bol : 1;
  unsigned not_eol : 1;

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14.7.1.2 GNU Regular Expression Compiling

In GNU, you can both match and search for a given regular expression. To do either, you must first compile it in a pattern buffer (see GNU Pattern Buffers).

Regular expressions match according to the syntax with which they were compiled; with GNU, you indicate what syntax you want by setting the variable re_syntax_options (declared in regex.h) before calling the compiling function, re_compile_pattern (see below). See Syntax Bits, and Predefined Syntaxes.

You can change the value of re_syntax_options at any time. Usually, however, you set its value once and then never change it.

re_compile_pattern takes a pattern buffer as an argument. You must initialize the following fields:

translate initialization
translate

Initialize this to point to a translate table if you want one, or to zero if you don’t. We explain translate tables in GNU Translate Tables.

fastmap

Initialize this to nonzero if you want a fastmap, or to zero if you don’t.

buffer
allocated

If you want re_compile_pattern to allocate memory for the compiled pattern, set both of these to zero. If you have an existing block of memory (allocated with malloc) you want Regex to use, set buffer to its address and allocated to its size (in bytes).

re_compile_pattern uses realloc to extend the space for the compiled pattern as necessary.

To compile a pattern buffer, use: 

char *
re_compile_pattern (const char *regex, const int regex_size,
                    struct re_pattern_buffer *pattern_buffer)

regex is the regular expression’s address, regex_size is its length, and pattern_buffer is the pattern buffer’s address.

If re_compile_pattern successfully compiles the regular expression, it returns zero and sets *pattern_buffer to the compiled pattern. It sets the pattern buffer’s fields as follows:

buffer

to the compiled pattern.

syntax

to the current value of re_syntax_options.

re_nsub

to the number of subexpressions in regex.

If re_compile_pattern can’t compile regex, it returns an error string corresponding to a POSIX error code.

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14.7.1.3 GNU Matching

Matching the GNU way means trying to match as much of a string as possible starting at a position within it you specify. Once you’ve compiled a pattern into a pattern buffer (see GNU Regular Expression Compiling), you can ask the matcher to match that pattern against a string using: 

int
re_match (struct re_pattern_buffer *pattern_buffer,
          const char *string, const int size,
          const int start, struct re_registers *regs)

pattern_buffer is the address of a pattern buffer containing a compiled pattern. string is the string you want to match; it can contain newline and null characters. size is the length of that string. start is the string index at which you want to begin matching; the first character of string is at index zero. See Using Registers, for an explanation of regs; you can safely pass zero.

re_match matches the regular expression in pattern_buffer against the string string according to the syntax of pattern_buffer. (See GNU Regular Expression Compiling, for how to set it.) The function returns -1 if the compiled pattern does not match any part of string and -2 if an internal error happens; otherwise, it returns how many (possibly zero) characters of string the pattern matched.

An example: suppose pattern_buffer points to a pattern buffer containing the compiled pattern for ‘a*’, and string points to ‘aaaaab’ (whereupon size should be 6). Then if start is 2, re_match returns 3, i.e., ‘a*’ would have matched the last three ‘a’s in string. If start is 0, re_match returns 5, i.e., ‘a*’ would have matched all the ‘a’s in string. If start is either 5 or 6, it returns zero.

If start is not between zero and size, then re_match returns -1.

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14.7.1.4 GNU Searching

Searching means trying to match starting at successive positions within a string. The function re_search does this.

Before calling re_search, you must compile your regular expression. See GNU Regular Expression Compiling.

Here is the function declaration: 

int
re_search (struct re_pattern_buffer *pattern_buffer,
           const char *string, const int size,
           const int start, const int range,
           struct re_registers *regs)

whose arguments are the same as those to re_match (see GNU Matching) except that the two arguments start and range replace re_match’s argument start.

If range is positive, then re_search attempts a match starting first at index start, then at start + 1 if that fails, and so on, up to start + range; if range is negative, then it attempts a match starting first at index start, then at start -1 if that fails, and so on.

If start is not between zero and size, then re_search returns -1. When range is positive, re_search adjusts range so that start + range - 1 is between zero and size, if necessary; that way it won’t search outside of string. Similarly, when range is negative, re_search adjusts range so that start + range + 1 is between zero and size, if necessary.

If the fastmap field of pattern_buffer is zero, re_search matches starting at consecutive positions; otherwise, it uses fastmap to make the search more efficient. See Searching with Fastmaps.

If no match is found, re_search returns -1. If a match is found, it returns the index where the match began. If an internal error happens, it returns -2.

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14.7.1.5 Matching and Searching with Split Data

Using the functions re_match_2 and re_search_2, you can match or search in data that is divided into two strings.

The function: 

int
re_match_2 (struct re_pattern_buffer *buffer,
            const char *string1, const int size1,
            const char *string2, const int size2,
            const int start,
            struct re_registers *regs,
            const int stop)

is similar to re_match (see GNU Matching) except that you pass two data strings and sizes, and an index stop beyond which you don’t want the matcher to try matching. As with re_match, if it succeeds, re_match_2 returns how many characters of string it matched. Regard string1 and string2 as concatenated when you set the arguments start and stop and use the contents of regs; re_match_2 never returns a value larger than size1 + size2.

The function: 

int
re_search_2 (struct re_pattern_buffer *buffer,
             const char *string1, const int size1,
             const char *string2, const int size2,
             const int start, const int range,
             struct re_registers *regs,
             const int stop)

is similarly related to re_search.

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14.7.1.6 Searching with Fastmaps

If you’re searching through a long string, you should use a fastmap. Without one, the searcher tries to match at consecutive positions in the string. Generally, most of the characters in the string could not start a match. It takes much longer to try matching at a given position in the string than it does to check in a table whether or not the character at that position could start a match. A fastmap is such a table.

More specifically, a fastmap is an array indexed by the characters in your character set. Under the ASCII encoding, therefore, a fastmap has 256 elements. If you want the searcher to use a fastmap with a given pattern buffer, you must allocate the array and assign the array’s address to the pattern buffer’s fastmap field. You either can compile the fastmap yourself or have re_search do it for you; when fastmap is nonzero, it automatically compiles a fastmap the first time you search using a particular compiled pattern.

By setting the buffer’s fastmap field before calling re_compile_pattern, you can reuse a buffer data structure across multiple searches with different patterns, and allocate the fastmap only once. Nonetheless, the fastmap must be recompiled each time the buffer has a new pattern compiled into it.

To compile a fastmap yourself, use: 

int
re_compile_fastmap (struct re_pattern_buffer *pattern_buffer)

pattern_buffer is the address of a pattern buffer. If the character c could start a match for the pattern, re_compile_fastmap makes pattern_buffer->fastmap[c] nonzero. It returns 0 if it can compile a fastmap and -2 if there is an internal error. For example, if ‘|’ is the alternation operator and pattern_buffer holds the compiled pattern for ‘a|b’, then re_compile_fastmap sets fastmap['a'] and fastmap['b'] (and no others).

re_search uses a fastmap as it moves along in the string: it checks the string’s characters until it finds one that’s in the fastmap. Then it tries matching at that character. If the match fails, it repeats the process. So, by using a fastmap, re_search doesn’t waste time trying to match at positions in the string that couldn’t start a match.

If you don’t want re_search to use a fastmap, store zero in the fastmap field of the pattern buffer before calling re_search.

Once you’ve initialized a pattern buffer’s fastmap field, you need never do so again—even if you compile a new pattern in it—provided the way the field is set still reflects whether or not you want a fastmap. re_search will still either do nothing if fastmap is null or, if it isn’t, compile a new fastmap for the new pattern.

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14.7.1.7 GNU Translate Tables

If you set the translate field of a pattern buffer to a translate table, then the GNU Regex functions to which you’ve passed that pattern buffer use it to apply a simple transformation to all the regular expression and string characters at which they look.

A translate table is an array indexed by the characters in your character set. Under the ASCII encoding, therefore, a translate table has 256 elements. The array’s elements are also characters in your character set. When the Regex functions see a character c, they use translate[c] in its place, with one exception: the character after a ‘\’ is not translated. (This ensures that, the operators, e.g., ‘\B’ and ‘\b’, are always distinguishable.)

For example, a table that maps all lowercase letters to the corresponding uppercase ones would cause the matcher to ignore differences in case.5 Such a table would map all characters except lowercase letters to themselves, and lowercase letters to the corresponding uppercase ones. Under the ASCII encoding, here’s how you could initialize such a table (we’ll call it case_fold): 

for (i = 0; i < 256; i++)
  case_fold[i] = i;
for (i = 'a'; i <= 'z'; i++)
  case_fold[i] = i - ('a' - 'A');

You tell Regex to use a translate table on a given pattern buffer by assigning that table’s address to the translate field of that buffer. If you don’t want Regex to do any translation, put zero into this field. You’ll get weird results if you change the table’s contents anytime between compiling the pattern buffer, compiling its fastmap, and matching or searching with the pattern buffer.

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14.7.1.8 Using Registers

A group in a regular expression can match a (possibly empty) substring of the string that regular expression as a whole matched. The matcher remembers the beginning and end of the substring matched by each group.

To find out what they matched, pass a nonzero regs argument to a GNU matching or searching function (see GNU Matching and GNU Searching), i.e., the address of a structure of this type, as defined in regex.h: 

struct re_registers
{
  unsigned num_regs;
  regoff_t *start;
  regoff_t *end;
};

Except for (possibly) the num_regs’th element (see below), the ith element of the start and end arrays records information about the ith group in the pattern. (They’re declared as C pointers, but this is only because not all C compilers accept zero-length arrays; conceptually, it is simplest to think of them as arrays.)

The start and end arrays are allocated in one of two ways. The simplest and perhaps most useful is to let the matcher (re)allocate enough space to record information for all the groups in the regular expression. If re_set_registers is not called before searching or matching, then the matcher allocates two arrays each of 1 + re_nsub elements (re_nsub is another field in the pattern buffer; see GNU Pattern Buffers). The extra element is set to -1. Then on subsequent calls with the same pattern buffer and regs arguments, the matcher reallocates more space if necessary.

The function: 

void
re_set_registers (struct re_pattern_buffer *buffer,
			      struct re_registers *regs,
			      size_t num_regs,
			      regoff_t *starts, regoff_t *ends)

sets regs to hold num_regs registers, storing them in starts and ends. Subsequent matches using buffer and regs will use this memory for recording register information. starts and ends must be allocated with malloc, and must each be at least num_regs * sizeof (regoff_t) bytes long.

If num_regs is zero, then subsequent matches should allocate their own register data.

Unless this function is called, the first search or match using buffer will allocate its own register data, without freeing the old data.

The following examples illustrate the information recorded in the re_registers structure. (In all of them, ‘(’ represents the open-group and ‘)’ the close-group operator. The first character in the string string is at index 0.)

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14.7.1.9 Freeing GNU Pattern Buffers

To free any allocated fields of a pattern buffer, use the POSIX function regfree: 

void
regfree (regex_t *preg)

preg is the pattern buffer whose allocated fields you want freed; this works because since the type regex_t—the type for POSIX pattern buffers—is equivalent to the type re_pattern_buffer.

regfree also sets preg’s allocated field to zero. After a buffer has been freed, it must have a regular expression compiled in it before passing it to a matching or searching function.

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14.7.2 BSD Regex Functions

If you’re writing code that has to be Berkeley Unix compatible, you’ll need to use these functions whose interfaces are the same as those in Berkeley Unix.

• BSD Regular Expression Compiling:  re_comp ()
• BSD Searching:  re_exec ()

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14.7.2.1 BSD Regular Expression Compiling

With Berkeley Unix, you can only search for a given regular expression; you can’t match one. To search for it, you must first compile it. Before you compile it, you must indicate the regular expression syntax you want it compiled according to by setting the variable re_syntax_options (declared in regex.h to some syntax (see Regular Expression Syntax).

To compile a regular expression use: 

char *
re_comp (char *regex)

regex is the address of a null-terminated regular expression. re_comp uses an internal pattern buffer, so you can use only the most recently compiled pattern buffer. This means that if you want to use a given regular expression that you’ve already compiled—but it isn’t the latest one you’ve compiled—you’ll have to recompile it. If you call re_comp with the null string (not the empty string) as the argument, it doesn’t change the contents of the pattern buffer.

If re_comp successfully compiles the regular expression, it returns zero. If it can’t compile the regular expression, it returns an error string. re_comp’s error messages are identical to those of re_compile_pattern (see GNU Regular Expression Compiling).

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14.7.2.2 BSD Searching

Searching the Berkeley Unix way means searching in a string starting at its first character and trying successive positions within it to find a match. Once you’ve compiled a pattern using re_comp (see BSD Regular Expression Compiling), you can ask Regex to search for that pattern in a string using: 

int
re_exec (char *string)

string is the address of the null-terminated string in which you want to search.

re_exec returns either 1 for success or 0 for failure. It automatically uses a GNU fastmap (see Searching with Fastmaps).

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14.8 Regular expression syntaxes

Gnulib supports many different types of regular expressions; although the underlying features are the same or identical, the syntax used varies. The descriptions given here for the different types are generated automatically.

• awk regular expression syntax:  
• egrep regular expression syntax:  
• ed regular expression syntax:  
• emacs regular expression syntax:  
• gnu-awk regular expression syntax:  
• grep regular expression syntax:  
• posix-awk regular expression syntax:  
• posix-basic regular expression syntax:  
• posix-egrep regular expression syntax:  
• posix-extended regular expression syntax:  
• posix-minimal-basic regular expression syntax:  
• sed regular expression syntax:  

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14.8.1 ‘awk’ regular expression syntax

The character ‘.’ matches any single character except the null character.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ can be used to quote the following character. Character classes are not supported, so for example you would need to use ‘[0-9]’ instead of ‘[[:digit:]]’.

GNU extensions are not supported and so ‘\w’, ‘\W’, ‘\<’, ‘\>’, ‘\b’, ‘\B’, ‘\`’, and ‘\'’ match ‘w’, ‘W’, ‘<’, ‘>’, ‘b’, ‘B’, ‘`’, and ‘'’ respectively.

Grouping is performed with parentheses ‘()’. An unmatched ‘)’ matches just itself. A backslash followed by a digit matches that digit.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

‘*’, ‘+’ and ‘?’ are special at any point in a regular expression except:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘(’
  3. After the alternation operator ‘|’

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.2 ‘egrep’ regular expression syntax

The character ‘.’ matches any single character except newline.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are ignored. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit. Non-matching lists ‘[^…]’ do not ever match newline.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with parentheses ‘()’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘(’.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

The characters ‘*’, ‘+’ and ‘?’ are special anywhere in a regular expression.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.3 ‘ed’ regular expression syntax

The character ‘.’ matches any single character except the null character.

‘\+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘\?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘+ and ?’

match themselves.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with backslashes followed by parentheses ‘\(’, ‘\)’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘\(’.

The alternation operator is ‘\|’.

The character ‘^’ only represents the beginning of a string when it appears:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After the alternation operator ‘\|’

The character ‘$’ only represents the end of a string when it appears:

  1. At the end of a regular expression
  2. Before a close-group, signified by ‘\)’
  3. Before the alternation operator ‘\|’

‘\*’, ‘\+’ and ‘\?’ are special at any point in a regular expression except:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After the alternation operator ‘\|’

Intervals are specified by ‘\{’ and ‘\}’. Invalid intervals such as ‘a\{1z’ are not accepted.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.4 ‘emacs’ regular expression syntax

The character ‘.’ matches any single character except newline.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are ignored. Within square brackets, ‘\’ is taken literally. Character classes are not supported, so for example you would need to use ‘[0-9]’ instead of ‘[[:digit:]]’.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with backslashes followed by parentheses ‘\(’, ‘\)’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘\(’.

The alternation operator is ‘\|’.

The character ‘^’ only represents the beginning of a string when it appears:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After the alternation operator ‘\|’

The character ‘$’ only represents the end of a string when it appears:

  1. At the end of a regular expression
  2. Before a close-group, signified by ‘\)’
  3. Before the alternation operator ‘\|’

‘*’, ‘+’ and ‘?’ are special at any point in a regular expression except:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After the alternation operator ‘\|’

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.5 ‘gnu-awk’ regular expression syntax

The character ‘.’ matches any single character.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ can be used to quote the following character. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with parentheses ‘()’. An unmatched ‘)’ matches just itself. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘(’.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

‘*’, ‘+’ and ‘?’ are special at any point in a regular expression except:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘(’
  3. After the alternation operator ‘|’

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.6 ‘grep’ regular expression syntax

The character ‘.’ matches any single character except newline.

‘\+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘\?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘+ and ?’

match themselves.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are ignored. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit. Non-matching lists ‘[^…]’ do not ever match newline.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with backslashes followed by parentheses ‘\(’, ‘\)’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘\(’.

The alternation operator is ‘\|’.

The character ‘^’ only represents the beginning of a string when it appears:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After a newline
  4. After the alternation operator ‘\|’

The character ‘$’ only represents the end of a string when it appears:

  1. At the end of a regular expression
  2. Before a close-group, signified by ‘\)’
  3. Before a newline
  4. Before the alternation operator ‘\|’

‘\*’, ‘\+’ and ‘\?’ are special at any point in a regular expression except:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’
  3. After a newline
  4. After the alternation operator ‘\|’

Intervals are specified by ‘\{’ and ‘\}’. Invalid intervals such as ‘a\{1z’ are not accepted.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.7 ‘posix-awk’ regular expression syntax

The character ‘.’ matches any single character except the null character.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ can be used to quote the following character. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit.

GNU extensions are not supported and so ‘\w’, ‘\W’, ‘\<’, ‘\>’, ‘\b’, ‘\B’, ‘\`’, and ‘\'’ match ‘w’, ‘W’, ‘<’, ‘>’, ‘b’, ‘B’, ‘`’, and ‘'’ respectively.

Grouping is performed with parentheses ‘()’. An unmatched ‘)’ matches just itself. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘(’.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

‘*’, ‘+’ and ‘?’ are special at any point in a regular expression except the following places, where they are not allowed:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘(’
  3. After the alternation operator ‘|’

Intervals are specified by ‘{’ and ‘}’. Invalid intervals such as ‘a{1z’ are not accepted.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.8 ‘posix-basic’ regular expression syntax

This is a synonym for ed.

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14.8.9 ‘posix-egrep’ regular expression syntax

The character ‘.’ matches any single character except newline.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are ignored. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit. Non-matching lists ‘[^…]’ do not ever match newline.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with parentheses ‘()’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘(’.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

The characters ‘*’, ‘+’ and ‘?’ are special anywhere in a regular expression.

Intervals are specified by ‘{’ and ‘}’. Invalid intervals are treated as literals, for example ‘a{1’ is treated as ‘a\{1’

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.10 ‘posix-extended’ regular expression syntax

The character ‘.’ matches any single character except the null character.

‘+’

indicates that the regular expression should match one or more occurrences of the previous atom or regexp.

‘?’

indicates that the regular expression should match zero or one occurrence of the previous atom or regexp.

‘\+’

matches a ‘+’

‘\?’

matches a ‘?’.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with parentheses ‘()’. An unmatched ‘)’ matches just itself. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘(’.

The alternation operator is ‘|’.

The characters ‘^’ and ‘$’ always represent the beginning and end of a string respectively, except within square brackets. Within brackets, ‘^’ can be used to invert the membership of the character class being specified.

‘*’, ‘+’ and ‘?’ are special at any point in a regular expression except the following places, where they are not allowed:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘(’
  3. After the alternation operator ‘|’

Intervals are specified by ‘{’ and ‘}’. Invalid intervals such as ‘a{1z’ are not accepted.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.11 ‘posix-minimal-basic’ regular expression syntax

The character ‘.’ matches any single character except the null character.

Bracket expressions are used to match ranges of characters. Bracket expressions where the range is backward, for example ‘[z-a]’, are invalid. Within square brackets, ‘\’ is taken literally. Character classes are supported; for example ‘[[:digit:]]’ will match a single decimal digit.

GNU extensions are supported:

  1. ‘\w’ matches a character within a word
  2. ‘\W’ matches a character which is not within a word
  3. ‘\<’ matches the beginning of a word
  4. ‘\>’ matches the end of a word
  5. ‘\b’ matches a word boundary
  6. ‘\B’ matches characters which are not a word boundary
  7. ‘\`’ matches the beginning of the whole input
  8. ‘\'’ matches the end of the whole input

Grouping is performed with backslashes followed by parentheses ‘\(’, ‘\)’. A backslash followed by a digit acts as a back-reference and matches the same thing as the previous grouped expression indicated by that number. For example ‘\2’ matches the second group expression. The order of group expressions is determined by the position of their opening parenthesis ‘\(’.

The character ‘^’ only represents the beginning of a string when it appears:

  1. At the beginning of a regular expression
  2. After an open-group, signified by ‘\(’

The character ‘$’ only represents the end of a string when it appears:

  1. At the end of a regular expression
  2. Before a close-group, signified by ‘\)’

Intervals are specified by ‘\{’ and ‘\}’. Invalid intervals such as ‘a\{1z’ are not accepted.

The longest possible match is returned; this applies to the regular expression as a whole and (subject to this constraint) to subexpressions within groups.

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14.8.12 ‘sed’ regular expression syntax

This is a synonym for ed.

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Appendix A GNU Free Documentation License

Version 1.3, 3 November 2008 
Copyright © 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
http://fsf.org/

Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
  1. PREAMBLE

    The purpose of this License is to make a manual, textbook, or other functional and useful document free in the sense of freedom: to assure everyone the effective freedom to copy and redistribute it, with or without modifying it, either commercially or noncommercially. Secondarily, this License preserves for the author and publisher a way to get credit for their work, while not being considered responsible for modifications made by others.

    This License is a kind of “copyleft”, which means that derivative works of the document must themselves be free in the same sense. It complements the GNU General Public License, which is a copyleft license designed for free software.

    We have designed this License in order to use it for manuals for free software, because free software needs free documentation: a free program should come with manuals providing the same freedoms that the software does. But this License is not limited to software manuals; it can be used for any textual work, regardless of subject matter or whether it is published as a printed book. We recommend this License principally for works whose purpose is instruction or reference.

  2. APPLICABILITY AND DEFINITIONS

    This License applies to any manual or other work, in any medium, that contains a notice placed by the copyright holder saying it can be distributed under the terms of this License. Such a notice grants a world-wide, royalty-free license, unlimited in duration, to use that work under the conditions stated herein. The “Document”, below, refers to any such manual or work. Any member of the public is a licensee, and is addressed as “you”. You accept the license if you copy, modify or distribute the work in a way requiring permission under copyright law.

    A “Modified Version” of the Document means any work containing the Document or a portion of it, either copied verbatim, or with modifications and/or translated into another language.

    A “Secondary Section” is a named appendix or a front-matter section of the Document that deals exclusively with the relationship of the publishers or authors of the Document to the Document’s overall subject (or to related matters) and contains nothing that could fall directly within that overall subject. (Thus, if the Document is in part a textbook of mathematics, a Secondary Section may not explain any mathematics.) The relationship could be a matter of historical connection with the subject or with related matters, or of legal, commercial, philosophical, ethical or political position regarding them.

    The “Invariant Sections” are certain Secondary Sections whose titles are designated, as being those of Invariant Sections, in the notice that says that the Document is released under this License. If a section does not fit the above definition of Secondary then it is not allowed to be designated as Invariant. The Document may contain zero Invariant Sections. If the Document does not identify any Invariant Sections then there are none.

    The “Cover Texts” are certain short passages of text that are listed, as Front-Cover Texts or Back-Cover Texts, in the notice that says that the Document is released under this License. A Front-Cover Text may be at most 5 words, and a Back-Cover Text may be at most 25 words.

    A “Transparent” copy of the Document means a machine-readable copy, represented in a format whose specification is available to the general public, that is suitable for revising the document straightforwardly with generic text editors or (for images composed of pixels) generic paint programs or (for drawings) some widely available drawing editor, and that is suitable for input to text formatters or for automatic translation to a variety of formats suitable for input to text formatters. A copy made in an otherwise Transparent file format whose markup, or absence of markup, has been arranged to thwart or discourage subsequent modification by readers is not Transparent. An image format is not Transparent if used for any substantial amount of text. A copy that is not “Transparent” is called “Opaque”.

    Examples of suitable formats for Transparent copies include plain ASCII without markup, Texinfo input format, LaTeX input format, SGML or XML using a publicly available DTD, and standard-conforming simple HTML, PostScript or PDF designed for human modification. Examples of transparent image formats include PNG, XCF and JPG. Opaque formats include proprietary formats that can be read and edited only by proprietary word processors, SGML or XML for which the DTD and/or processing tools are not generally available, and the machine-generated HTML, PostScript or PDF produced by some word processors for output purposes only.

    The “Title Page” means, for a printed book, the title page itself, plus such following pages as are needed to hold, legibly, the material this License requires to appear in the title page. For works in formats which do not have any title page as such, “Title Page” means the text near the most prominent appearance of the work’s title, preceding the beginning of the body of the text.

    The “publisher” means any person or entity that distributes copies of the Document to the public.

    A section “Entitled XYZ” means a named subunit of the Document whose title either is precisely XYZ or contains XYZ in parentheses following text that translates XYZ in another language. (Here XYZ stands for a specific section name mentioned below, such as “Acknowledgements”, “Dedications”, “Endorsements”, or “History”.) To “Preserve the Title” of such a section when you modify the Document means that it remains a section “Entitled XYZ” according to this definition.

    The Document may include Warranty Disclaimers next to the notice which states that this License applies to the Document. These Warranty Disclaimers are considered to be included by reference in this License, but only as regards disclaiming warranties: any other implication that these Warranty Disclaimers may have is void and has no effect on the meaning of this License.

  3. VERBATIM COPYING

    You may copy and distribute the Document in any medium, either commercially or noncommercially, provided that this License, the copyright notices, and the license notice saying this License applies to the Document are reproduced in all copies, and that you add no other conditions whatsoever to those of this License. You may not use technical measures to obstruct or control the reading or further copying of the copies you make or distribute. However, you may accept compensation in exchange for copies. If you distribute a large enough number of copies you must also follow the conditions in section 3.

    You may also lend copies, under the same conditions stated above, and you may publicly display copies.

  4. COPYING IN QUANTITY

    If you publish printed copies (or copies in media that commonly have printed covers) of the Document, numbering more than 100, and the Document’s license notice requires Cover Texts, you must enclose the copies in covers that carry, clearly and legibly, all these Cover Texts: Front-Cover Texts on the front cover, and Back-Cover Texts on the back cover. Both covers must also clearly and legibly identify you as the publisher of these copies. The front cover must present the full title with all words of the title equally prominent and visible. You may add other material on the covers in addition. Copying with changes limited to the covers, as long as they preserve the title of the Document and satisfy these conditions, can be treated as verbatim copying in other respects.

    If the required texts for either cover are too voluminous to fit legibly, you should put the first ones listed (as many as fit reasonably) on the actual cover, and continue the rest onto adjacent pages.

    If you publish or distribute Opaque copies of the Document numbering more than 100, you must either include a machine-readable Transparent copy along with each Opaque copy, or state in or with each Opaque copy a computer-network location from which the general network-using public has access to download using public-standard network protocols a complete Transparent copy of the Document, free of added material. If you use the latter option, you must take reasonably prudent steps, when you begin distribution of Opaque copies in quantity, to ensure that this Transparent copy will remain thus accessible at the stated location until at least one year after the last time you distribute an Opaque copy (directly or through your agents or retailers) of that edition to the public.

    It is requested, but not required, that you contact the authors of the Document well before redistributing any large number of copies, to give them a chance to provide you with an updated version of the Document.

  5. MODIFICATIONS

    You may copy and distribute a Modified Version of the Document under the conditions of sections 2 and 3 above, provided that you release the Modified Version under precisely this License, with the Modified Version filling the role of the Document, thus licensing distribution and modification of the Modified Version to whoever possesses a copy of it. In addition, you must do these things in the Modified Version:

    1. Use in the Title Page (and on the covers, if any) a title distinct from that of the Document, and from those of previous versions (which should, if there were any, be listed in the History section of the Document). You may use the same title as a previous version if the original publisher of that version gives permission.
    2. List on the Title Page, as authors, one or more persons or entities responsible for authorship of the modifications in the Modified Version, together with at least five of the principal authors of the Document (all of its principal authors, if it has fewer than five), unless they release you from this requirement.
    3. State on the Title page the name of the publisher of the Modified Version, as the publisher.
    4. Preserve all the copyright notices of the Document.
    5. Add an appropriate copyright notice for your modifications adjacent to the other copyright notices.
    6. Include, immediately after the copyright notices, a license notice giving the public permission to use the Modified Version under the terms of this License, in the form shown in the Addendum below.
    7. Preserve in that license notice the full lists of Invariant Sections and required Cover Texts given in the Document’s license notice.
    8. Include an unaltered copy of this License.
    9. Preserve the section Entitled “History”, Preserve its Title, and add to it an item stating at least the title, year, new authors, and publisher of the Modified Version as given on the Title Page. If there is no section Entitled “History” in the Document, create one stating the title, year, authors, and publisher of the Document as given on its Title Page, then add an item describing the Modified Version as stated in the previous sentence.
    10. Preserve the network location, if any, given in the Document for public access to a Transparent copy of the Document, and likewise the network locations given in the Document for previous versions it was based on. These may be placed in the “History” section. You may omit a network location for a work that was published at least four years before the Document itself, or if the original publisher of the version it refers to gives permission.
    11. For any section Entitled “Acknowledgements” or “Dedications”, Preserve the Title of the section, and preserve in the section all the substance and tone of each of the contributor acknowledgements and/or dedications given therein.
    12. Preserve all the Invariant Sections of the Document, unaltered in their text and in their titles. Section numbers or the equivalent are not considered part of the section titles.
    13. Delete any section Entitled “Endorsements”. Such a section may not be included in the Modified Version.
    14. Do not retitle any existing section to be Entitled “Endorsements” or to conflict in title with any Invariant Section.
    15. Preserve any Warranty Disclaimers.

    If the Modified Version includes new front-matter sections or appendices that qualify as Secondary Sections and contain no material copied from the Document, you may at your option designate some or all of these sections as invariant. To do this, add their titles to the list of Invariant Sections in the Modified Version’s license notice. These titles must be distinct from any other section titles.

    You may add a section Entitled “Endorsements”, provided it contains nothing but endorsements of your Modified Version by various parties—for example, statements of peer review or that the text has been approved by an organization as the authoritative definition of a standard.

    You may add a passage of up to five words as a Front-Cover Text, and a passage of up to 25 words as a Back-Cover Text, to the end of the list of Cover Texts in the Modified Version. Only one passage of Front-Cover Text and one of Back-Cover Text may be added by (or through arrangements made by) any one entity. If the Document already includes a cover text for the same cover, previously added by you or by arrangement made by the same entity you are acting on behalf of, you may not add another; but you may replace the old one, on explicit permission from the previous publisher that added the old one.

    The author(s) and publisher(s) of the Document do not by this License give permission to use their names for publicity for or to assert or imply endorsement of any Modified Version.

  6. COMBINING DOCUMENTS

    You may combine the Document with other documents released under this License, under the terms defined in section 4 above for modified versions, provided that you include in the combination all of the Invariant Sections of all of the original documents, unmodified, and list them all as Invariant Sections of your combined work in its license notice, and that you preserve all their Warranty Disclaimers.

    The combined work need only contain one copy of this License, and multiple identical Invariant Sections may be replaced with a single copy. If there are multiple Invariant Sections with the same name but different contents, make the title of each such section unique by adding at the end of it, in parentheses, the name of the original author or publisher of that section if known, or else a unique number. Make the same adjustment to the section titles in the list of Invariant Sections in the license notice of the combined work.

    In the combination, you must combine any sections Entitled “History” in the various original documents, forming one section Entitled “History”; likewise combine any sections Entitled “Acknowledgements”, and any sections Entitled “Dedications”. You must delete all sections Entitled “Endorsements.”

  7. COLLECTIONS OF DOCUMENTS

    You may make a collection consisting of the Document and other documents released under this License, and replace the individual copies of this License in the various documents with a single copy that is included in the collection, provided that you follow the rules of this License for verbatim copying of each of the documents in all other respects.

    You may extract a single document from such a collection, and distribute it individually under this License, provided you insert a copy of this License into the extracted document, and follow this License in all other respects regarding verbatim copying of that document.

  8. AGGREGATION WITH INDEPENDENT WORKS

    A compilation of the Document or its derivatives with other separate and independent documents or works, in or on a volume of a storage or distribution medium, is called an “aggregate” if the copyright resulting from the compilation is not used to limit the legal rights of the compilation’s users beyond what the individual works permit. When the Document is included in an aggregate, this License does not apply to the other works in the aggregate which are not themselves derivative works of the Document.

    If the Cover Text requirement of section 3 is applicable to these copies of the Document, then if the Document is less than one half of the entire aggregate, the Document’s Cover Texts may be placed on covers that bracket the Document within the aggregate, or the electronic equivalent of covers if the Document is in electronic form. Otherwise they must appear on printed covers that bracket the whole aggregate.

  9. TRANSLATION

    Translation is considered a kind of modification, so you may distribute translations of the Document under the terms of section 4. Replacing Invariant Sections with translations requires special permission from their copyright holders, but you may include translations of some or all Invariant Sections in addition to the original versions of these Invariant Sections. You may include a translation of this License, and all the license notices in the Document, and any Warranty Disclaimers, provided that you also include the original English version of this License and the original versions of those notices and disclaimers. In case of a disagreement between the translation and the original version of this License or a notice or disclaimer, the original version will prevail.

    If a section in the Document is Entitled “Acknowledgements”, “Dedications”, or “History”, the requirement (section 4) to Preserve its Title (section 1) will typically require changing the actual title.

  10. TERMINATION

    You may not copy, modify, sublicense, or distribute the Document except as expressly provided under this License. Any attempt otherwise to copy, modify, sublicense, or distribute it is void, and will automatically terminate your rights under this License.

    However, if you cease all violation of this License, then your license from a particular copyright holder is reinstated (a) provisionally, unless and until the copyright holder explicitly and finally terminates your license, and (b) permanently, if the copyright holder fails to notify you of the violation by some reasonable means prior to 60 days after the cessation.

    Moreover, your license from a particular copyright holder is reinstated permanently if the copyright holder notifies you of the violation by some reasonable means, this is the first time you have received notice of violation of this License (for any work) from that copyright holder, and you cure the violation prior to 30 days after your receipt of the notice.

    Termination of your rights under this section does not terminate the licenses of parties who have received copies or rights from you under this License. If your rights have been terminated and not permanently reinstated, receipt of a copy of some or all of the same material does not give you any rights to use it.

  11. FUTURE REVISIONS OF THIS LICENSE

    The Free Software Foundation may publish new, revised versions of the GNU Free Documentation License from time to time. Such new versions will be similar in spirit to the present version, but may differ in detail to address new problems or concerns. See http://www.gnu.org/copyleft/.

    Each version of the License is given a distinguishing version number. If the Document specifies that a particular numbered version of this License “or any later version” applies to it, you have the option of following the terms and conditions either of that specified version or of any later version that has been published (not as a draft) by the Free Software Foundation. If the Document does not specify a version number of this License, you may choose any version ever published (not as a draft) by the Free Software Foundation. If the Document specifies that a proxy can decide which future versions of this License can be used, that proxy’s public statement of acceptance of a version permanently authorizes you to choose that version for the Document.

  12. RELICENSING

    “Massive Multiauthor Collaboration Site” (or “MMC Site”) means any World Wide Web server that publishes copyrightable works and also provides prominent facilities for anybody to edit those works. A public wiki that anybody can edit is an example of such a server. A “Massive Multiauthor Collaboration” (or “MMC”) contained in the site means any set of copyrightable works thus published on the MMC site.

    “CC-BY-SA” means the Creative Commons Attribution-Share Alike 3.0 license published by Creative Commons Corporation, a not-for-profit corporation with a principal place of business in San Francisco, California, as well as future copyleft versions of that license published by that same organization.

    “Incorporate” means to publish or republish a Document, in whole or in part, as part of another Document.

    An MMC is “eligible for relicensing” if it is licensed under this License, and if all works that were first published under this License somewhere other than this MMC, and subsequently incorporated in whole or in part into the MMC, (1) had no cover texts or invariant sections, and (2) were thus incorporated prior to November 1, 2008.

    The operator of an MMC Site may republish an MMC contained in the site under CC-BY-SA on the same site at any time before August 1, 2009, provided the MMC is eligible for relicensing.

ADDENDUM: How to use this License for your documents

To use this License in a document you have written, include a copy of the License in the document and put the following copyright and license notices just after the title page: 

  Copyright (C)  year  your name.
  Permission is granted to copy, distribute and/or modify this document
  under the terms of the GNU Free Documentation License, Version 1.3
  or any later version published by the Free Software Foundation;
  with no Invariant Sections, no Front-Cover Texts, and no Back-Cover
  Texts.  A copy of the license is included in the section entitled ``GNU
  Free Documentation License''.

If you have Invariant Sections, Front-Cover Texts and Back-Cover Texts, replace the “with…Texts.” line with this: 

    with the Invariant Sections being list their titles, with
    the Front-Cover Texts being list, and with the Back-Cover Texts
    being list.

If you have Invariant Sections without Cover Texts, or some other combination of the three, merge those two alternatives to suit the situation.

If your document contains nontrivial examples of program code, we recommend releasing these examples in parallel under your choice of free software license, such as the GNU General Public License, to permit their use in free software.

Previous: , Up: Top   [Contents][Index]

Index

Jump to:   $   (   )   *   +   -   .   =   ?   [   \   ]   ^   _   {   |   }  
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y  
Index Entry  Section
$
$: Match-end-of-line Operator
(
(: Grouping Operators
)
): Grouping Operators
*
‘*’: Match-zero-or-more Operator
+
‘+’: Match-one-or-more Operator
-
‘-’: List Operators
.
‘.’: Match-any-character Operator
=
‘=]’ in regex: Equivalence Class Operators
?
‘?’: Match-zero-or-one Operator
[
‘[’: List Operators
‘[=’ in regex: Equivalence Class Operators
‘[colon’ in regex: Character Class Operators
‘[^’: List Operators
\
\: The Backslash Character
‘\’: List Operators
‘\'’: Match-end-of-buffer Operator
\(: Grouping Operators
\): Grouping Operators
‘\<’: Match-beginning-of-word Operator
‘\>’: Match-end-of-word Operator
‘\b’: Match-word-boundary Operator
‘\B’: Match-within-word Operator
‘\s’: Match-syntactic-class Operator
‘\S’: Match-not-syntactic-class Operator
‘\w’: Match-word-constituent Operator
‘\W’: Match-non-word-constituent Operator
‘\`’: Match-beginning-of-buffer Operator
‘\{’: Interval Operators
\|: Alternation Operator
‘\}’: Interval Operators
]
‘]’: List Operators
^
^: Match-beginning-of-line Operator
‘^’: List Operators
_
_Exit: _Exit
_exit: _exit
_GL_EXTERN_INLINE: extern inline
_GL_INLINE: extern inline
_GL_INLINE_HEADER_BEGIN: extern inline
_GL_INLINE_HEADER_END: extern inline
_longjmp: _longjmp
_setjmp: _setjmp
_tolower: _tolower
_toupper: _toupper
{
‘{’: Interval Operators
|
|: Alternation Operator
}
‘}’: Interval Operators
A
a64l: a64l
abort: abort
Aborting execution: Out of memory handling
abs: abs
accept: accept
accept4: accept4
access: access
acct: acct
acos: acos
acosf: acosf
acosh: acosh
acoshf: acoshf
acoshl: acoshl
acosl: acosl
AC_LIB_HAVE_LINKFLAGS(name, [dependencies], [includes], [testcode], [missing-message]): Searching for Libraries
AC_LIB_LINKFLAGS(name, [dependencies]): Searching for Libraries
addmntent: addmntent
addseverity: addseverity
adjtime: adjtime
adjtimex: adjtimex
advance: advance
aio_cancel: aio_cancel
aio_error: aio_error
aio_fsync: aio_fsync
aio_init: aio_init
aio_read: aio_read
aio_return: aio_return
aio_suspend: aio_suspend
aio_write: aio_write
alarm: alarm
aligned_alloc: aligned_alloc
ALLOC: Safe Allocation Macros
alloca: alloca
alloca: alloca-opt
allocated initialization: GNU Regular Expression Compiling
ALLOC_N: Safe Allocation Macros
ALLOC_N_UNINITIALIZED: Safe Allocation Macros
alphasort: alphasort
alternation operator: Alternation Operator
alternation operator and ‘^’: Match-beginning-of-line Operator
anchoring: Anchoring Operators
anchors: Match-beginning-of-line Operator
anchors: Match-end-of-line Operator
argp_error: argp_error
argp_err_exit_status: argp_err_exit_status
argp_failure: argp_failure
argp_help: argp_help
argp_parse: argp_parse
argp_program_bug_address: argp_program_bug_address
argp_program_version: argp_program_version
argp_program_version_hook: argp_program_version_hook
argp_state_help: argp_state_help
argp_usage: argp_usage
argz_add: argz_add
argz_add_sep: argz_add_sep
argz_append: argz_append
argz_count: argz_count
argz_create: argz_create
argz_create_sep: argz_create_sep
argz_delete: argz_delete
argz_extract: argz_extract
argz_insert: argz_insert
argz_next: argz_next
argz_replace: argz_replace
argz_stringify: argz_stringify
asctime: asctime
asctime_r: asctime_r
asin: asin
asinf: asinf
asinh: asinh
asinhf: asinhf
asinhl: asinhl
asinl: asinl
asprintf: asprintf
assert: assert
assertion: Compile-time Assertions
atan: atan
atan2: atan2
atan2f: atan2f
atan2l: atan2l
atanf: atanf
atanh: atanh
atanhf: atanhf
atanhl: atanhl
atanl: atanl
atexit: atexit
atof: atof
atoi: atoi
atol: atol
atoll: atoll
authdes_create: authdes_create
authdes_getucred: authdes_getucred
authdes_pk_create: authdes_pk_create
authnone_create: authnone_create
authunix_create: authunix_create
authunix_create_default: authunix_create_default
autopoint, caveat: gettextize and autopoint
Awk: Predefined Syntaxes
B
back references: Back-reference Operator
backtrace: backtrace
backtrace_symbols: backtrace_symbols
backtrace_symbols_fd: backtrace_symbols_fd
backtracking: Match-zero-or-more Operator
backtracking: Alternation Operator
basename: basename
bcmp: bcmp
bcopy: bcopy
bdflush: bdflush
beginning-of-line operator: Match-beginning-of-line Operator
bind: bind
bindresvport: bindresvport
bindtextdomain: bindtextdomain
bind_textdomain_codeset: bind_textdomain_codeset
block size: stat-size
bracket expression: List Operators
brk: brk
bsd_signal: bsd_signal
bsearch: bsearch
bswap_16: bswap_16
bswap_32: bswap_32
bswap_64: bswap_64
btowc: btowc
buffer field, set by re_compile_pattern: GNU Regular Expression Compiling
buffer initialization: GNU Regular Expression Compiling
bzero: bzero
C
C++ header files: Header files
C++ tests modules: Extra tests modules
c16rtomb: c16rtomb
c32rtomb: c32rtomb
cabs: cabs
cabsf: cabsf
cabsl: cabsl
cacos: cacos
cacosf: cacosf
cacosh: cacosh
cacoshf: cacoshf
cacoshl: cacoshl
cacosl: cacosl
calloc: calloc
callrpc: callrpc
canonicalize_file_name: canonicalize_file_name
capget: capget
capset: capset
carg: carg
cargf: cargf
cargl: cargl
casin: casin
casinf: casinf
casinh: casinh
casinhf: casinhf
casinhl: casinhl
casinl: casinl
catan: catan
catanf: catanf
catanh: catanh
catanhf: catanhf
catanhl: catanhl
catanl: catanl
catclose: catclose
catgets: catgets
catopen: catopen
cbc_crypt: cbc_crypt
cbrt: cbrt
cbrtf: cbrtf
cbrtl: cbrtl
ccos: ccos
ccosf: ccosf
ccosh: ccosh
ccoshf: ccoshf
ccoshl: ccoshl
ccosl: ccosl
ceil: ceil
ceilf: ceilf
ceill: ceill
cexp: cexp
cexpf: cexpf
cexpl: cexpl
cfgetispeed: cfgetispeed
cfgetospeed: cfgetospeed
cfmakeraw: cfmakeraw
cfree: cfree
cfsetispeed: cfsetispeed
cfsetospeed: cfsetospeed
cfsetspeed: cfsetspeed
character classes: Character Class Operators
chdir: chdir
chmod: chmod
chown: chown
chroot: chroot
cimag: cimag
cimagf: cimagf
cimagl: cimagl
clearenv: clearenv
clearerr: clearerr
clearerr_unlocked: clearerr_unlocked
clntraw_create: clntraw_create
clnttcp_create: clnttcp_create
clntudp_bufcreate: clntudp_bufcreate
clntudp_create: clntudp_create
clntunix_create: clntunix_create
clnt_broadcast: clnt_broadcast
clnt_create: clnt_create
clnt_pcreateerror: clnt_pcreateerror
clnt_perrno: clnt_perrno
clnt_perror: clnt_perror
clnt_spcreateerror: clnt_spcreateerror
clnt_sperrno: clnt_sperrno
clnt_sperror: clnt_sperror
clock: clock
clock_adjtime: clock_adjtime
clock_getcpuclockid: clock_getcpuclockid
clock_getres: clock_getres
clock_gettime: clock_gettime
clock_nanosleep: clock_nanosleep
clock_settime: clock_settime
clog: clog
clog10: clog10
clog10f: clog10f
clog10l: clog10l
clogf: clogf
clogl: clogl
clone: clone
close: close
closedir: closedir
closelog: closelog
‘colon]’ in regex: Character Class Operators
comments describing functions: Specification
conditional dependencies: Conditional dependencies
configmake module: configmake
configmake.h, module for updating: configmake
confstr: confstr
conj: conj
conjf: conjf
conjl: conjl
connect: connect
copysign: copysign
copysignf: copysignf
copysignl: copysignl
cos: cos
cosf: cosf
cosh: cosh
coshf: coshf
coshl: coshl
cosl: cosl
cpow: cpow
cpowf: cpowf
cpowl: cpowl
cproj: cproj
cprojf: cprojf
cprojl: cprojl
creal: creal
crealf: crealf
creall: creall
creat: creat
crypt: crypt
crypt_r: crypt_r
csin: csin
csinf: csinf
csinh: csinh
csinhf: csinhf
csinhl: csinhl
csinl: csinl
csqrt: csqrt
csqrtf: csqrtf
csqrtl: csqrtl
ctan: ctan
ctanf: ctanf
ctanh: ctanh
ctanhf: ctanhf
ctanhl: ctanhl
ctanl: ctanl
ctermid: ctermid
ctime: ctime
ctime_r: ctime_r
cuserid: cuserid
D
daemon: daemon
daylight: daylight
dbm_clearerr: dbm_clearerr
dbm_close: dbm_close
dbm_delete: dbm_delete
dbm_error: dbm_error
dbm_fetch: dbm_fetch
dbm_firstkey: dbm_firstkey
dbm_nextkey: dbm_nextkey
dbm_open: dbm_open
dbm_store: dbm_store
dcgettext: dcgettext
dcngettext: dcngettext
DEF files: Visual Studio Compatibility
describing functions, locating: Specification
des_setparity: des_setparity
dgettext: dgettext
difftime: difftime
dirfd: dirfd
dirname: dirname
div: div
dladdr: dladdr
dladdr1: dladdr1
dlclose: dlclose
dlerror: dlerror
dlinfo: dlinfo
dlmopen: dlmopen
dlopen: dlopen
dlsym: dlsym
dlvsym: dlvsym
dl_iterate_phdr: dl_iterate_phdr
dngettext: dngettext
dn_expand: dn_expand
double inclusion of header files: Header files
dprintf: dprintf
drand48: drand48
drand48_r: drand48_r
drem: drem
dremf: dremf
dreml: dreml
dup: dup
dup2: dup2
dup3: dup3
duplocale: duplocale
dysize: dysize
E
ecb_crypt: ecb_crypt
ecvt: ecvt
ecvt_r: ecvt_r
Egrep: Predefined Syntaxes
Emacs: Predefined Syntaxes
encrypt: encrypt
encrypt_r: encrypt_r
end in struct re_registers: Using Registers
end-of-line operator: Match-end-of-line Operator
endaliasent: endaliasent
endfsent: endfsent
endgrent: endgrent
endhostent: endhostent
endmntent: endmntent
endnetent: endnetent
endnetgrent: endnetgrent
endprotoent: endprotoent
endpwent: endpwent
endrpcent: endrpcent
endservent: endservent
endsgent: endsgent
endspent: endspent
endttyent: endttyent
endusershell: endusershell
endutent: endutent
endutxent: endutxent
environ: environ
envz_add: envz_add
envz_entry: envz_entry
envz_get: envz_get
envz_merge: envz_merge
envz_remove: envz_remove
envz_strip: envz_strip
epoll_create: epoll_create
epoll_ctl: epoll_ctl
epoll_wait: epoll_wait
equivalence class expression in regex: Equivalence Class Operators
erand48: erand48
erand48_r: erand48_r
erf: erf
erfc: erfc
erfcf: erfcf
erfcl: erfcl
erff: erff
erfl: erfl
err: err
errno: errno
error: error
error: error and progname
error_at_line: error_at_line
error_message_count: error_message_count
error_one_per_line: error_one_per_line
error_print_progname: error_print_progname
errx: errx
ether_aton: ether_aton
ether_aton_r: ether_aton_r
ether_hostton: ether_hostton
ether_line: ether_line
ether_ntoa: ether_ntoa
ether_ntoa_r: ether_ntoa_r
ether_ntohost: ether_ntohost
euidaccess: euidaccess
execl: execl
execle: execle
execlp: execlp
execv: execv
execve: execve
execvp: execvp
execvpe: execvpe
exit: exit
exp: exp
exp10: exp10
exp10f: exp10f
exp10l: exp10l
exp2: exp2
exp2f: exp2f
exp2l: exp2l
expf: expf
expl: expl
expm1: expm1
expm1f: expm1f
expm1l: expm1l
extern inline: extern inline
Extra tests modules: Extra tests modules
F
fabs: fabs
fabsf: fabsf
fabsl: fabsl
faccessat: faccessat
fallocate: fallocate
fanotify_init: fanotify_init
fanotify_mark: fanotify_mark
fastmap initialization: GNU Regular Expression Compiling
fastmaps: Searching with Fastmaps
fattach: fattach
fchdir: fchdir
fchmod: fchmod
fchmodat: fchmodat
fchown: fchown
fchownat: fchownat
fclose: fclose
fcloseall: fcloseall
fcntl: fcntl
fcvt: fcvt
fcvt_r: fcvt_r
fdatasync: fdatasync
fdetach: fdetach
fdim: fdim
fdimf: fdimf
fdiml: fdiml
fdopen: fdopen
fdopendir: fdopendir
FD_CLR: FD_CLR
FD_ISSET: FD_ISSET
FD_SET: FD_SET
FD_ZERO: FD_ZERO
feclearexcept: feclearexcept
fedisableexcept: fedisableexcept
feenableexcept: feenableexcept
fegetenv: fegetenv
fegetexcept: fegetexcept
fegetexceptflag: fegetexceptflag
fegetround: fegetround
feholdexcept: feholdexcept
feof: feof
feof_unlocked: feof_unlocked
feraiseexcept: feraiseexcept
ferror: ferror
ferror_unlocked: ferror_unlocked
fesetenv: fesetenv
fesetexceptflag: fesetexceptflag
fesetround: fesetround
fetestexcept: fetestexcept
feupdateenv: feupdateenv
fexecve: fexecve
fflush: fflush
fflush_unlocked: fflush_unlocked
ffs: ffs
ffsl: ffsl
ffsll: ffsll
fgetc: fgetc
fgetc_unlocked: fgetc_unlocked
fgetfilecon: fgetfilecon
fgetgrent: fgetgrent
fgetgrent_r: fgetgrent_r
fgetpos: fgetpos
fgetpwent: fgetpwent
fgetpwent_r: fgetpwent_r
fgets: fgets
fgetsgent: fgetsgent
fgetsgent_r: fgetsgent_r
fgetspent: fgetspent
fgetspent_r: fgetspent_r
fgets_unlocked: fgets_unlocked
fgetwc: fgetwc
fgetwc_unlocked: fgetwc_unlocked
fgetws: fgetws
fgetws_unlocked: fgetws_unlocked
fgetxattr: fgetxattr
fileno: fileno
fileno_unlocked: fileno_unlocked
Finding modules: Which modules?
finite: finite
finitef: finitef
finitel: finitel
flistxattr: flistxattr
flock: flock
flockfile: flockfile
floor: floor
floorf: floorf
floorl: floorl
fma: fma
fmaf: fmaf
fmal: fmal
fmax: fmax
fmaxf: fmaxf
fmaxl: fmaxl
fmemopen: fmemopen
fmin: fmin
fminf: fminf
fminl: fminl
fmod: fmod
fmodf: fmodf
fmodl: fmodl
fmtmsg: fmtmsg
fnmatch: fnmatch
fopen: fopen
fopencookie: fopencookie
fork: fork
forkpty: forkpty
fpathconf: fpathconf
fpclassify: fpclassify
fprintf: fprintf
fputc: fputc
fputc_unlocked: fputc_unlocked
fputs: fputs
fputs_unlocked: fputs_unlocked
fputwc: fputwc
fputwc_unlocked: fputwc_unlocked
fputws: fputws
fputws_unlocked: fputws_unlocked
fread: fread
fread_unlocked: fread_unlocked
free: free
FREE: Safe Allocation Macros
freeaddrinfo: freeaddrinfo
freeifaddrs: freeifaddrs
freelocale: freelocale
fremovexattr: fremovexattr
freopen: freopen
frexp: frexp
frexpf: frexpf
frexpl: frexpl
fscanf: fscanf
fseek: fseek
fseeko: fseeko
fsetpos: fsetpos
fsetxattr: fsetxattr
fstat: fstat
fstatat: fstatat
fstatfs: fstatfs
fstatvfs: fstatvfs
fsync: fsync
ftell: ftell
ftello: ftello
ftime: ftime
ftok: ftok
ftruncate: ftruncate
ftrylockfile: ftrylockfile
fts_children: fts_children
fts_close: fts_close
fts_open: fts_open
fts_read: fts_read
fts_set: fts_set
ftw: ftw
funlockfile: funlockfile
futimens: futimens
futimes: futimes
futimesat: futimesat
fwide: fwide
fwprintf: fwprintf
fwrite: fwrite
fwrite_unlocked: fwrite_unlocked
fwscanf: fwscanf
G
gai_strerror: gai_strerror
gamma: gamma
gammaf: gammaf
gammal: gammal
gcd: gcd
gcvt: gcvt
getaddrinfo: getaddrinfo
getaliasbyname: getaliasbyname
getaliasbyname_r: getaliasbyname_r
getaliasent: getaliasent
getaliasent_r: getaliasent_r
getc: getc
getchar: getchar
getchar_unlocked: getchar_unlocked
getcontext: getcontext
getcwd: getcwd
getc_unlocked: getc_unlocked
getdate: getdate
getdate_err: getdate_err
getdate_r: getdate_r
getdelim: getdelim
getdirentries: getdirentries
getdomainname: getdomainname
getdtablesize: getdtablesize
getegid: getegid
getenv: getenv
geteuid: geteuid
getfilecon: getfilecon
getfsent: getfsent
getfsfile: getfsfile
getfsspec: getfsspec
getgid: getgid
getgrent: getgrent
getgrent_r: getgrent_r
getgrgid: getgrgid
getgrgid_r: getgrgid_r
getgrnam: getgrnam
getgrnam_r: getgrnam_r
getgrouplist: getgrouplist
getgroups: getgroups
gethostbyaddr: gethostbyaddr
gethostbyaddr_r: gethostbyaddr_r
gethostbyname: gethostbyname
gethostbyname2: gethostbyname2
gethostbyname2_r: gethostbyname2_r
gethostbyname_r: gethostbyname_r
gethostent: gethostent
gethostent_r: gethostent_r
gethostid: gethostid
gethostname: gethostname
getifaddrs: getifaddrs
getipv4sourcefilter: getipv4sourcefilter
getitimer: getitimer
getline: getline
getloadavg: getloadavg
getlogin: getlogin
getlogin_r: getlogin_r
getmntent: getmntent
getmntent_r: getmntent_r
getmsg: getmsg
getnameinfo: getnameinfo
getnetbyaddr: getnetbyaddr
getnetbyaddr_r: getnetbyaddr_r
getnetbyname: getnetbyname
getnetbyname_r: getnetbyname_r
getnetent: getnetent
getnetent_r: getnetent_r
getnetgrent: getnetgrent
getnetgrent_r: getnetgrent_r
getnetname: getnetname
getopt: getopt
getopt_long: getopt_long
getopt_long_only: getopt_long_only
getpagesize: getpagesize
getpass: getpass
getpeername: getpeername
getpgid: getpgid
getpgrp: getpgrp
getpid: getpid
getpmsg: getpmsg
getppid: getppid
getpriority: getpriority
getprotobyname: getprotobyname
getprotobyname_r: getprotobyname_r
getprotobynumber: getprotobynumber
getprotobynumber_r: getprotobynumber_r
getprotoent: getprotoent
getprotoent_r: getprotoent_r
getpt: getpt
getpublickey: getpublickey
getpw: getpw
getpwent: getpwent
getpwent_r: getpwent_r
getpwnam: getpwnam
getpwnam_r: getpwnam_r
getpwuid: getpwuid
getpwuid_r: getpwuid_r
getresgid: getresgid
getresuid: getresuid
getrlimit: getrlimit
getrpcbyname: getrpcbyname
getrpcbyname_r: getrpcbyname_r
getrpcbynumber: getrpcbynumber
getrpcbynumber_r: getrpcbynumber_r
getrpcent: getrpcent
getrpcent_r: getrpcent_r
getrpcport: getrpcport
getrusage: getrusage
gets: gets
getsecretkey: getsecretkey
getservbyname: getservbyname
getservbyname_r: getservbyname_r
getservbyport: getservbyport
getservbyport_r: getservbyport_r
getservent: getservent
getservent_r: getservent_r
getsgent: getsgent
getsgent_r: getsgent_r
getsgnam: getsgnam
getsgnam_r: getsgnam_r
getsid: getsid
getsockname: getsockname
getsockopt: getsockopt
getsourcefilter: getsourcefilter
getspent: getspent
getspent_r: getspent_r
getspnam: getspnam
getspnam_r: getspnam_r
getsubopt: getsubopt
gettext: gettext
gettextize, caveat: gettextize and autopoint
gettimeofday: gettimeofday
getttyent: getttyent
getttynam: getttynam
getuid: getuid
getusershell: getusershell
getutent: getutent
getutent_r: getutent_r
getutid: getutid
getutid_r: getutid_r
getutline: getutline
getutline_r: getutline_r
getutmp: getutmp
getutmpx: getutmpx
getutxent: getutxent
getutxid: getutxid
getutxline: getutxline
getw: getw
getwc: getwc
getwchar: getwchar
getwchar_unlocked: getwchar_unlocked
getwc_unlocked: getwc_unlocked
getwd: getwd
getxattr: getxattr
get_avphys_pages: get_avphys_pages
get_current_dir_name: get_current_dir_name
get_myaddress: get_myaddress
get_nprocs: get_nprocs
get_nprocs_conf: get_nprocs_conf
get_phys_pages: get_phys_pages
glob: glob
globfree: globfree
glob_pattern_p: glob_pattern_p
gmtime: gmtime
gmtime_r: gmtime_r
gnulib-tool: Invoking gnulib-tool
gnu_dev_major: gnu_dev_major
gnu_dev_makedev: gnu_dev_makedev
gnu_dev_minor: gnu_dev_minor
gnu_get_libc_release: gnu_get_libc_release
gnu_get_libc_version: gnu_get_libc_version
grantpt: grantpt
Grep: Predefined Syntaxes
grouping: Grouping Operators
group_member: group_member
gsignal: gsignal
H
hasmntopt: hasmntopt
hcreate: hcreate
hcreate_r: hcreate_r
hdestroy: hdestroy
hdestroy_r: hdestroy_r
header file include protection: Header files
Header files and C++: Header files
herror: herror
host2netname: host2netname
hsearch: hsearch
hsearch_r: hsearch_r
hstrerror: hstrerror
htonl: htonl
htons: htons
hypot: hypot
hypotf: hypotf
hypotl: hypotl
h_errno: h_errno
I
iconv: iconv
iconv_close: iconv_close
iconv_open: iconv_open
if_freenameindex: if_freenameindex
if_indextoname: if_indextoname
if_nameindex: if_nameindex
if_nametoindex: if_nametoindex
ilogb: ilogb
ilogbf: ilogbf
ilogbl: ilogbl
imaxabs: imaxabs
imaxdiv: imaxdiv
in6addr_any: in6addr_any
in6addr_loopback: in6addr_loopback
index: index
inet6_option_alloc: inet6_option_alloc
inet6_option_append: inet6_option_append
inet6_option_find: inet6_option_find
inet6_option_init: inet6_option_init
inet6_option_next: inet6_option_next
inet6_option_space: inet6_option_space
inet6_opt_append: inet6_opt_append
inet6_opt_find: inet6_opt_find
inet6_opt_finish: inet6_opt_finish
inet6_opt_get_val: inet6_opt_get_val
inet6_opt_init: inet6_opt_init
inet6_opt_next: inet6_opt_next
inet6_opt_set_val: inet6_opt_set_val
inet6_rth_add: inet6_rth_add
inet6_rth_getaddr: inet6_rth_getaddr
inet6_rth_init: inet6_rth_init
inet6_rth_reverse: inet6_rth_reverse
inet6_rth_segments: inet6_rth_segments
inet6_rth_space: inet6_rth_space
inet_addr: inet_addr
inet_aton: inet_aton
inet_lnaof: inet_lnaof
inet_makeaddr: inet_makeaddr
inet_neta: inet_neta
inet_netof: inet_netof
inet_network: inet_network
inet_net_ntop: inet_net_ntop
inet_net_pton: inet_net_pton
inet_nsap_addr: inet_nsap_addr
inet_nsap_ntoa: inet_nsap_ntoa
inet_ntoa: inet_ntoa
inet_ntop: inet_ntop
inet_pton: inet_pton
initgroups: initgroups
initial import: Initial import
initstate: initstate
initstate_r: initstate_r
inline: extern inline
innetgr: innetgr
insque: insque
int: Safe Allocation Macros
int: Safe Allocation Macros
int: Safe Allocation Macros
int: Safe Allocation Macros
integer bounds: Integer Bounds
integer overflow: Integer Properties
integer properties: Integer Properties
integer range overflow: Integer Range Overflow
integer type overflow: Integer Type Overflow
interval expression: Interval Operators
INT_ADD_OVERFLOW: Integer Type Overflow
INT_ADD_RANGE_OVERFLOW: Integer Range Overflow
INT_BUFSIZE_BOUND: Integer Bounds
INT_DIVIDE_OVERFLOW: Integer Type Overflow
INT_DIVIDE_RANGE_OVERFLOW: Integer Range Overflow
INT_LEFT_SHIFT_OVERFLOW: Integer Type Overflow
INT_LEFT_SHIFT_RANGE_OVERFLOW: Integer Range Overflow
INT_MULTIPLY_OVERFLOW: Integer Type Overflow
INT_MULTIPLY_RANGE_OVERFLOW: Integer Range Overflow
INT_NEGATE_OVERFLOW: Integer Type Overflow
INT_NEGATE_RANGE_OVERFLOW: Integer Range Overflow
INT_REMAINDER_OVERFLOW: Integer Type Overflow
INT_REMAINDER_RANGE_OVERFLOW: Integer Range Overflow
INT_STRLEN_BOUND: Integer Bounds
INT_SUBTRACT_OVERFLOW: Integer Type Overflow
INT_SUBTRACT_RANGE_OVERFLOW: Integer Range Overflow
invoking gnulib-tool: Invoking gnulib-tool
ioctl: ioctl
ioperm: ioperm
iopl: iopl
isalnum: isalnum
isalnum_l: isalnum_l
isalpha: isalpha
isalpha_l: isalpha_l
isascii: isascii
isastream: isastream
isatty: isatty
isblank: isblank
isblank_l: isblank_l
iscntrl: iscntrl
iscntrl_l: iscntrl_l
isctype: isctype
isdigit: isdigit
isdigit_l: isdigit_l
isfdtype: isfdtype
isfinite: isfinite
isgraph: isgraph
isgraph_l: isgraph_l
isgreater: isgreater
isgreaterequal: isgreaterequal
isinf: isinf
isinff: isinff
isinfl: isinfl
isless: isless
islessequal: islessequal
islessgreater: islessgreater
islower: islower
islower_l: islower_l
isnan: isnan
isnanf: isnanf
isnanl: isnanl
isnormal: isnormal
isprint: isprint
isprint_l: isprint_l
ispunct: ispunct
ispunct_l: ispunct_l
isspace: isspace
isspace_l: isspace_l
isunordered: isunordered
isupper: isupper
isupper_l: isupper_l
iswalnum: iswalnum
iswalnum_l: iswalnum_l
iswalpha: iswalpha
iswalpha_l: iswalpha_l
iswblank: iswblank
iswblank_l: iswblank_l
iswcntrl: iswcntrl
iswcntrl_l: iswcntrl_l
iswctype: iswctype
iswctype_l: iswctype_l
iswdigit: iswdigit
iswdigit_l: iswdigit_l
iswgraph: iswgraph
iswgraph_l: iswgraph_l
iswlower: iswlower
iswlower_l: iswlower_l
iswprint: iswprint
iswprint_l: iswprint_l
iswpunct: iswpunct
iswpunct_l: iswpunct_l
iswspace: iswspace
iswspace_l: iswspace_l
iswupper: iswupper
iswupper_l: iswupper_l
iswxdigit: iswxdigit
iswxdigit_l: iswxdigit_l
isxdigit: isxdigit
isxdigit_l: isxdigit_l
J
j0: j0
j0f: j0f
j0l: j0l
j1: j1
j1f: j1f
j1l: j1l
jn: jn
jnf: jnf
jnl: jnl
jrand48: jrand48
jrand48_r: jrand48_r
K
key_decryptsession: key_decryptsession
key_decryptsession_pk: key_decryptsession_pk
key_encryptsession: key_encryptsession
key_encryptsession_pk: key_encryptsession_pk
key_gendes: key_gendes
key_get_conv: key_get_conv
key_secretkey_is_set: key_secretkey_is_set
key_setsecret: key_setsecret
kill: kill
killpg: killpg
klogctl: klogctl
L
l64a: l64a
labs: labs
lchmod: lchmod
lchown: lchown
lckpwdf: lckpwdf
lcong48: lcong48
lcong48_r: lcong48_r
LD DEF files: Visual Studio Compatibility
ldexp: ldexp
ldexpf: ldexpf
ldexpl: ldexpl
ldiv: ldiv
lfind: lfind
lgamma: lgamma
lgammaf: lgammaf
lgammaf_r: lgammaf_r
lgammal: lgammal
lgammal_r: lgammal_r
lgamma_r: lgamma_r
lgetfilecon: lgetfilecon
lgetxattr: lgetxattr
link: link
linkat: linkat
lio_listio: lio_listio
listen: listen
listxattr: listxattr
llabs: llabs
lldiv: lldiv
llistxattr: llistxattr
llrint: llrint
llrintf: llrintf
llrintl: llrintl
llround: llround
llroundf: llroundf
llroundl: llroundl
loc1: loc1
loc2: loc2
localeconv: localeconv
localtime: localtime
localtime_r: localtime_r
lockf: lockf
locs: locs
log: log
log10: log10
log10f: log10f
log10l: log10l
log1p: log1p
log1pf: log1pf
log1pl: log1pl
log2: log2
log2f: log2f
log2l: log2l
logb: logb
logbf: logbf
logbl: logbl
logf: logf
login: login
login_tty: login_tty
logl: logl
long-running tests modules: Extra tests modules
longjmp: longjmp
lrand48: lrand48
lrand48_r: lrand48_r
lremovexattr: lremovexattr
lrint: lrint
lrintf: lrintf
lrintl: lrintl
lround: lround
lroundf: lroundf
lroundl: lroundl
lsearch: lsearch
lseek: lseek
lsetxattr: lsetxattr
lstat: lstat
lutimes: lutimes
M
madvise: madvise
makecontext: makecontext
mallinfo: mallinfo
malloc: malloc
malloc: GNU Regular Expression Compiling
malloc_get_state: malloc_get_state
malloc_info: malloc_info
malloc_set_state: malloc_set_state
malloc_stats: malloc_stats
malloc_trim: malloc_trim
malloc_usable_size: malloc_usable_size
mallopt: mallopt
matching list: List Operators
matching newline: List Operators
matching with GNU functions: GNU Matching
matherr: matherr
mblen: mblen
mbrlen: mbrlen
mbrtoc16: mbrtoc16
mbrtoc32: mbrtoc32
mbrtowc: mbrtowc
mbsinit: mbsinit
mbsnrtowcs: mbsnrtowcs
mbsrtowcs: mbsrtowcs
mbstowcs: mbstowcs
mbtowc: mbtowc
mcheck: mcheck
mcheck_check_all: mcheck_check_all
mcheck_pedantic: mcheck_pedantic
memalign: memalign
memccpy: memccpy
memchr: memchr
memcmp: memcmp
memcpy: memcpy
memfrob: memfrob
memmem: memmem
memmove: memmove
Memory allocation failure: Out of memory handling
mempcpy: mempcpy
memrchr: memrchr
memset: memset
mincore: mincore
mkdir: mkdir
mkdirat: mkdirat
mkdtemp: mkdtemp
mkfifo: mkfifo
mkfifoat: mkfifoat
mknod: mknod
mknodat: mknodat
mkostemp: mkostemp
mkostemps: mkostemps
mkstemp: mkstemp
mkstemps: mkstemps
mktemp: mktemp
mktime: mktime
mlock: mlock
mlockall: mlockall
mmap: mmap
modf: modf
modff: modff
modfl: modfl
monstartup: monstartup
mount: mount
mprobe: mprobe
mprotect: mprotect
mq_close: mq_close
mq_getattr: mq_getattr
mq_notify: mq_notify
mq_open: mq_open
mq_receive: mq_receive
mq_send: mq_send
mq_setattr: mq_setattr
mq_timedreceive: mq_timedreceive
mq_timedsend: mq_timedsend
mq_unlink: mq_unlink
mrand48: mrand48
mrand48_r: mrand48_r
mremap: mremap
msgctl: msgctl
msgget: msgget
msgrcv: msgrcv
msgsnd: msgsnd
msync: msync
mtrace: mtrace
munlock: munlock
munlockall: munlockall
munmap: munmap
muntrace: muntrace
N
name_to_handle_at: name_to_handle_at
nan: nan
nanf: nanf
nanl: nanl
nanosleep: nanosleep
nearbyint: nearbyint
nearbyintf: nearbyintf
nearbyintl: nearbyintl
netname2host: netname2host
netname2user: netname2user
newlocale: newlocale
nextafter: nextafter
nextafterf: nextafterf
nextafterl: nextafterl
nexttoward: nexttoward
nexttowardf: nexttowardf
nexttowardl: nexttowardl
nftw: nftw
ngettext: ngettext
nice: nice
nis_add: nis_add
nis_addmember: nis_addmember
nis_add_entry: nis_add_entry
nis_checkpoint: nis_checkpoint
nis_clone_object: nis_clone_object
nis_creategroup: nis_creategroup
nis_destroygroup: nis_destroygroup
nis_destroy_object: nis_destroy_object
nis_dir_cmp: nis_dir_cmp
nis_domain_of: nis_domain_of
nis_domain_of_r: nis_domain_of_r
nis_first_entry: nis_first_entry
nis_freenames: nis_freenames
nis_freeresult: nis_freeresult
nis_freeservlist: nis_freeservlist
nis_freetags: nis_freetags
nis_getnames: nis_getnames
nis_getservlist: nis_getservlist
nis_ismember: nis_ismember
nis_leaf_of: nis_leaf_of
nis_leaf_of_r: nis_leaf_of_r
nis_lerror: nis_lerror
nis_list: nis_list
nis_local_directory: nis_local_directory
nis_local_group: nis_local_group
nis_local_host: nis_local_host
nis_local_principal: nis_local_principal
nis_lookup: nis_lookup
nis_mkdir: nis_mkdir
nis_modify: nis_modify
nis_modify_entry: nis_modify_entry
nis_name_of: nis_name_of
nis_name_of_r: nis_name_of_r
nis_next_entry: nis_next_entry
nis_perror: nis_perror
nis_ping: nis_ping
nis_print_directory: nis_print_directory
nis_print_entry: nis_print_entry
nis_print_group: nis_print_group
nis_print_group_entry: nis_print_group_entry
nis_print_link: nis_print_link
nis_print_object: nis_print_object
nis_print_result: nis_print_result
nis_print_rights: nis_print_rights
nis_print_table: nis_print_table
nis_remove: nis_remove
nis_removemember: nis_removemember
nis_remove_entry: nis_remove_entry
nis_rmdir: nis_rmdir
nis_servstate: nis_servstate
nis_sperrno: nis_sperrno
nis_sperror: nis_sperror
nis_sperror_r: nis_sperror_r
nis_stats: nis_stats
nis_verifygroup: nis_verifygroup
nl_langinfo: nl_langinfo
nl_langinfo_l: nl_langinfo_l
nonmatching list: List Operators
not_bol field in pattern buffer: Match-beginning-of-line Operator
nrand48: nrand48
nrand48_r: nrand48_r
ntohl: ntohl
ntohs: ntohs
ntp_adjtime: ntp_adjtime
ntp_gettime: ntp_gettime
ntp_gettimex: ntp_gettimex
num_regs in struct re_registers: Using Registers
O
Obsolete modules: Obsolete modules
obstack_alloc_failed_handler: obstack_alloc_failed_handler
obstack_exit_failure: obstack_exit_failure
obstack_free: obstack_free
obstack_printf: obstack_printf
obstack_vprintf: obstack_vprintf
on_exit: on_exit
open: open
open-group operator and ‘^’: Match-beginning-of-line Operator
openat: openat
opendir: opendir
openlog: openlog
openpty: openpty
open_by_handle_at: open_by_handle_at
open_memstream: open_memstream
open_wmemstream: open_wmemstream
optarg: optarg
opterr: opterr
optind: optind
optopt: optopt
or operator: Alternation Operator
Out of Memory handling: Out of memory handling
overflow, integer: Integer Properties
overflow, integer range: Integer Range Overflow
overflow, integer type: Integer Type Overflow
P
parenthesizing: Grouping Operators
parse_printf_format: parse_printf_format
pathconf: pathconf
pattern buffer initialization: GNU Regular Expression Compiling
pattern buffer, definition of: GNU Pattern Buffers
pause: pause
pclose: pclose
perror: perror
personality: personality
pipe: pipe
pipe2: pipe2
pmap_getmaps: pmap_getmaps
pmap_getport: pmap_getport
pmap_rmtcall: pmap_rmtcall
pmap_set: pmap_set
pmap_unset: pmap_unset
poll: poll
popen: popen
POSIX Awk: Predefined Syntaxes
posix_fadvise: posix_fadvise
posix_fallocate: posix_fallocate
posix_madvise: posix_madvise
posix_memalign: posix_memalign
posix_mem_offset: posix_mem_offset
posix_openpt: posix_openpt
posix_spawn: posix_spawn
posix_spawnattr_destroy: posix_spawnattr_destroy
posix_spawnattr_getflags: posix_spawnattr_getflags
posix_spawnattr_getpgroup: posix_spawnattr_getpgroup
posix_spawnattr_getschedparam: posix_spawnattr_getschedparam
posix_spawnattr_getschedpolicy: posix_spawnattr_getschedpolicy
posix_spawnattr_getsigdefault: posix_spawnattr_getsigdefault
posix_spawnattr_getsigmask: posix_spawnattr_getsigmask
posix_spawnattr_init: posix_spawnattr_init
posix_spawnattr_setflags: posix_spawnattr_setflags
posix_spawnattr_setpgroup: posix_spawnattr_setpgroup
posix_spawnattr_setschedparam: posix_spawnattr_setschedparam
posix_spawnattr_setschedpolicy: posix_spawnattr_setschedpolicy
posix_spawnattr_setsigdefault: posix_spawnattr_setsigdefault
posix_spawnattr_setsigmask: posix_spawnattr_setsigmask
posix_spawnp: posix_spawnp
posix_spawn_file_actions_addclose: posix_spawn_file_actions_addclose
posix_spawn_file_actions_adddup2: posix_spawn_file_actions_adddup2
posix_spawn_file_actions_addopen: posix_spawn_file_actions_addopen
posix_spawn_file_actions_destroy: posix_spawn_file_actions_destroy
posix_spawn_file_actions_init: posix_spawn_file_actions_init
posix_trace_attr_destroy: posix_trace_attr_destroy
posix_trace_attr_getclockres: posix_trace_attr_getclockres
posix_trace_attr_getcreatetime: posix_trace_attr_getcreatetime
posix_trace_attr_getgenversion: posix_trace_attr_getgenversion
posix_trace_attr_getinherited: posix_trace_attr_getinherited
posix_trace_attr_getlogfullpolicy: posix_trace_attr_getlogfullpolicy
posix_trace_attr_getlogsize: posix_trace_attr_getlogsize
posix_trace_attr_getmaxdatasize: posix_trace_attr_getmaxdatasize
posix_trace_attr_getmaxsystemeventsize: posix_trace_attr_getmaxsystemeventsize
posix_trace_attr_getmaxusereventsize: posix_trace_attr_getmaxusereventsize
posix_trace_attr_getname: posix_trace_attr_getname
posix_trace_attr_getstreamfullpolicy: posix_trace_attr_getstreamfullpolicy
posix_trace_attr_getstreamsize: posix_trace_attr_getstreamsize
posix_trace_attr_init: posix_trace_attr_init
posix_trace_attr_setinherited: posix_trace_attr_setinherited
posix_trace_attr_setlogfullpolicy: posix_trace_attr_setlogfullpolicy
posix_trace_attr_setlogsize: posix_trace_attr_setlogsize
posix_trace_attr_setmaxdatasize: posix_trace_attr_setmaxdatasize
posix_trace_attr_setname: posix_trace_attr_setname
posix_trace_attr_setstreamfullpolicy: posix_trace_attr_setstreamfullpolicy
posix_trace_attr_setstreamsize: posix_trace_attr_setstreamsize
posix_trace_clear: posix_trace_clear
posix_trace_close: posix_trace_close
posix_trace_create: posix_trace_create
posix_trace_create_withlog: posix_trace_create_withlog
posix_trace_event: posix_trace_event
posix_trace_eventid_equal: posix_trace_eventid_equal
posix_trace_eventid_get_name: posix_trace_eventid_get_name
posix_trace_eventid_open: posix_trace_eventid_open
posix_trace_eventset_add: posix_trace_eventset_add
posix_trace_eventset_del: posix_trace_eventset_del
posix_trace_eventset_empty: posix_trace_eventset_empty
posix_trace_eventset_fill: posix_trace_eventset_fill
posix_trace_eventset_ismember: posix_trace_eventset_ismember
posix_trace_eventtypelist_getnext_id: posix_trace_eventtypelist_getnext_id
posix_trace_eventtypelist_rewind: posix_trace_eventtypelist_rewind
posix_trace_flush: posix_trace_flush
posix_trace_getnext_event: posix_trace_getnext_event
posix_trace_get_attr: posix_trace_get_attr
posix_trace_get_filter: posix_trace_get_filter
posix_trace_get_status: posix_trace_get_status
posix_trace_open: posix_trace_open
posix_trace_rewind: posix_trace_rewind
posix_trace_set_filter: posix_trace_set_filter
posix_trace_shutdown: posix_trace_shutdown
posix_trace_start: posix_trace_start
posix_trace_stop: posix_trace_stop
posix_trace_timedgetnext_event: posix_trace_timedgetnext_event
posix_trace_trid_eventid_open: posix_trace_trid_eventid_open
posix_trace_trygetnext_event: posix_trace_trygetnext_event
posix_typed_mem_get_info: posix_typed_mem_get_info
posix_typed_mem_open: posix_typed_mem_open
pow: pow
pow10: pow10
pow10f: pow10f
pow10l: pow10l
powf: powf
powl: powl
prctl: prctl
pread: pread
preadv: preadv
printf: printf
printf_size: printf_size
printf_size_info: printf_size_info
privileged tests modules: Extra tests modules
prlimit: prlimit
process_vm_readv: process_vm_readv
process_vm_writev: process_vm_writev
profil: profil
progname: error and progname
program_invocation_name: program_invocation_name
program_invocation_short_name: program_invocation_short_name
program_name: error and progname
pselect: pselect
psiginfo: psiginfo
psignal: psignal
pthread_atfork: pthread_atfork
pthread_attr_destroy: pthread_attr_destroy
pthread_attr_getaffinity_np: pthread_attr_getaffinity_np
pthread_attr_getdetachstate: pthread_attr_getdetachstate
pthread_attr_getguardsize: pthread_attr_getguardsize
pthread_attr_getinheritsched: pthread_attr_getinheritsched
pthread_attr_getschedparam: pthread_attr_getschedparam
pthread_attr_getschedpolicy: pthread_attr_getschedpolicy
pthread_attr_getscope: pthread_attr_getscope
pthread_attr_getstack: pthread_attr_getstack
pthread_attr_getstackaddr: pthread_attr_getstackaddr
pthread_attr_getstacksize: pthread_attr_getstacksize
pthread_attr_init: pthread_attr_init
pthread_attr_setaffinity_np: pthread_attr_setaffinity_np
pthread_attr_setdetachstate: pthread_attr_setdetachstate
pthread_attr_setguardsize: pthread_attr_setguardsize
pthread_attr_setinheritsched: pthread_attr_setinheritsched
pthread_attr_setschedparam: pthread_attr_setschedparam
pthread_attr_setschedpolicy: pthread_attr_setschedpolicy
pthread_attr_setscope: pthread_attr_setscope
pthread_attr_setstack: pthread_attr_setstack
pthread_attr_setstackaddr: pthread_attr_setstackaddr
pthread_attr_setstacksize: pthread_attr_setstacksize
pthread_barrierattr_destroy: pthread_barrierattr_destroy
pthread_barrierattr_getpshared: pthread_barrierattr_getpshared
pthread_barrierattr_init: pthread_barrierattr_init
pthread_barrierattr_setpshared: pthread_barrierattr_setpshared
pthread_barrier_destroy: pthread_barrier_destroy
pthread_barrier_init: pthread_barrier_init
pthread_barrier_wait: pthread_barrier_wait
pthread_cancel: pthread_cancel
pthread_cleanup_pop: pthread_cleanup_pop
pthread_cleanup_push: pthread_cleanup_push
pthread_condattr_destroy: pthread_condattr_destroy
pthread_condattr_getclock: pthread_condattr_getclock
pthread_condattr_getpshared: pthread_condattr_getpshared
pthread_condattr_init: pthread_condattr_init
pthread_condattr_setclock: pthread_condattr_setclock
pthread_condattr_setpshared: pthread_condattr_setpshared
pthread_cond_broadcast: pthread_cond_broadcast
pthread_cond_destroy: pthread_cond_destroy
pthread_cond_init: pthread_cond_init
pthread_cond_signal: pthread_cond_signal
pthread_cond_timedwait: pthread_cond_timedwait
pthread_cond_wait: pthread_cond_wait
pthread_create: pthread_create
pthread_detach: pthread_detach
pthread_equal: pthread_equal
pthread_exit: pthread_exit
pthread_getaffinity_np: pthread_getaffinity_np
pthread_getattr_np: pthread_getattr_np
pthread_getconcurrency: pthread_getconcurrency
pthread_getcpuclockid: pthread_getcpuclockid
pthread_getname_np: pthread_getname_np
pthread_getschedparam: pthread_getschedparam
pthread_getspecific: pthread_getspecific
pthread_join: pthread_join
pthread_key_create: pthread_key_create
pthread_key_delete: pthread_key_delete
pthread_kill: pthread_kill
pthread_kill_other_threads_np: pthread_kill_other_threads_np
pthread_mutexattr_destroy: pthread_mutexattr_destroy
pthread_mutexattr_getprioceiling: pthread_mutexattr_getprioceiling
pthread_mutexattr_getprotocol: pthread_mutexattr_getprotocol
pthread_mutexattr_getpshared: pthread_mutexattr_getpshared
pthread_mutexattr_getrobust: pthread_mutexattr_getrobust
pthread_mutexattr_getrobust_np: pthread_mutexattr_getrobust_np
pthread_mutexattr_gettype: pthread_mutexattr_gettype
pthread_mutexattr_init: pthread_mutexattr_init
pthread_mutexattr_setprioceiling: pthread_mutexattr_setprioceiling
pthread_mutexattr_setprotocol: pthread_mutexattr_setprotocol
pthread_mutexattr_setpshared: pthread_mutexattr_setpshared
pthread_mutexattr_setrobust: pthread_mutexattr_setrobust
pthread_mutexattr_setrobust_np: pthread_mutexattr_setrobust_np
pthread_mutexattr_settype: pthread_mutexattr_settype
pthread_mutex_consistent: pthread_mutex_consistent
pthread_mutex_consistent_np: pthread_mutex_consistent_np
pthread_mutex_destroy: pthread_mutex_destroy
pthread_mutex_getprioceiling: pthread_mutex_getprioceiling
pthread_mutex_init: pthread_mutex_init
pthread_mutex_lock: pthread_mutex_lock
pthread_mutex_setprioceiling: pthread_mutex_setprioceiling
pthread_mutex_timedlock: pthread_mutex_timedlock
pthread_mutex_trylock: pthread_mutex_trylock
pthread_mutex_unlock: pthread_mutex_unlock
pthread_once: pthread_once
pthread_rwlockattr_destroy: pthread_rwlockattr_destroy
pthread_rwlockattr_getkind_np: pthread_rwlockattr_getkind_np
pthread_rwlockattr_getpshared: pthread_rwlockattr_getpshared
pthread_rwlockattr_init: pthread_rwlockattr_init
pthread_rwlockattr_setkind_np: pthread_rwlockattr_setkind_np
pthread_rwlockattr_setpshared: pthread_rwlockattr_setpshared
pthread_rwlock_destroy: pthread_rwlock_destroy
pthread_rwlock_init: pthread_rwlock_init
pthread_rwlock_rdlock: pthread_rwlock_rdlock
pthread_rwlock_timedrdlock: pthread_rwlock_timedrdlock
pthread_rwlock_timedwrlock: pthread_rwlock_timedwrlock
pthread_rwlock_tryrdlock: pthread_rwlock_tryrdlock
pthread_rwlock_trywrlock: pthread_rwlock_trywrlock
pthread_rwlock_unlock: pthread_rwlock_unlock
pthread_rwlock_wrlock: pthread_rwlock_wrlock
pthread_self: pthread_self
pthread_setaffinity_np: pthread_setaffinity_np
pthread_setcancelstate: pthread_setcancelstate
pthread_setcanceltype: pthread_setcanceltype
pthread_setconcurrency: pthread_setconcurrency
pthread_setname_np: pthread_setname_np
pthread_setschedparam: pthread_setschedparam
pthread_setschedprio: pthread_setschedprio
pthread_setspecific: pthread_setspecific
pthread_sigmask: pthread_sigmask
pthread_sigqueue: pthread_sigqueue
pthread_spin_destroy: pthread_spin_destroy
pthread_spin_init: pthread_spin_init
pthread_spin_lock: pthread_spin_lock
pthread_spin_trylock: pthread_spin_trylock
pthread_spin_unlock: pthread_spin_unlock
pthread_testcancel: pthread_testcancel
pthread_timedjoin_np: pthread_timedjoin_np
pthread_tryjoin_np: pthread_tryjoin_np
pthread_yield: pthread_yield
ptrace: ptrace
ptsname: ptsname
ptsname_r: ptsname_r
putc: putc
putchar: putchar
putchar_unlocked: putchar_unlocked
putc_unlocked: putc_unlocked
putenv: putenv
putgrent: putgrent
putmsg: putmsg
putpmsg: putpmsg
putpwent: putpwent
puts: puts
putsgent: putsgent
putspent: putspent
pututline: pututline
pututxline: pututxline
putw: putw
putwc: putwc
putwchar: putwchar
putwchar_unlocked: putwchar_unlocked
putwc_unlocked: putwc_unlocked
pvalloc: pvalloc
pwrite: pwrite
pwritev: pwritev
Q
qecvt: qecvt
qecvt_r: qecvt_r
qfcvt: qfcvt
qfcvt_r: qfcvt_r
qgcvt: qgcvt
qsort: qsort
qsort_r: qsort_r
quick_exit: quick_exit
quotactl: quotactl
quote: Quoting
quotearg: Quoting
quotearg_alloc: Quoting
quote_n: Quoting
Quoting: Quoting
R
raise: raise
rand: rand
random: random
random_r: random_r
rand_r: rand_r
range argument to re_search: GNU Searching
rawmemchr: rawmemchr
rcmd: rcmd
rcmd_af: rcmd_af
read: read
readahead: readahead
readdir: readdir
readdir_r: readdir_r
readlink: readlink
readlinkat: readlinkat
readv: readv
realloc: realloc
REALLOC_N: Safe Allocation Macros
realpath: realpath
reboot: reboot
recv: recv
recvfrom: recvfrom
recvmmsg: recvmmsg
recvmsg: recvmsg
regcomp: regcomp
regerror: regerror
regex.h: Overview
regexec: regexec
regexp anchoring: Anchoring Operators
regfree: regfree
regfree: Freeing GNU Pattern Buffers
register_printf_function: register_printf_function
register_printf_modifier: register_printf_modifier
register_printf_specifier: register_printf_specifier
register_printf_type: register_printf_type
regular expressions, syntax of: Regular Expression Syntax
remainder: remainder
remainderf: remainderf
remainderl: remainderl
remap_file_pages: remap_file_pages
remove: remove
removexattr: removexattr
remque: remque
remquo: remquo
remquof: remquof
remquol: remquol
rename: rename
renameat: renameat
res_init: res_init
res_mkquery: res_mkquery
res_query: res_query
res_querydomain: res_querydomain
res_search: res_search
revoke: revoke
rewind: rewind
rewinddir: rewinddir
rexec: rexec
rexec_af: rexec_af
RE_BACKSLASH_ESCAPE_IN_LIST: Syntax Bits
RE_BK_PLUS_QM: Syntax Bits
RE_CHAR_CLASSES: Syntax Bits
re_comp: re_comp
re_comp: BSD Regular Expression Compiling
re_compile_fastmap: re_compile_fastmap
re_compile_fastmap: Searching with Fastmaps
re_compile_pattern: re_compile_pattern
re_compile_pattern: GNU Regular Expression Compiling
RE_CONTEXT_INDEP_ANCHORS: Syntax Bits
RE_CONTEXT_INDEP_ANCHORS (and ‘^’): Match-beginning-of-line Operator
RE_CONTEXT_INDEP_OPS: Syntax Bits
RE_CONTEXT_INVALID_DUP: Syntax Bits
RE_CONTEXT_INVALID_OPS: Syntax Bits
RE_DEBUG: Syntax Bits
RE_DOT_NEWLINE: Syntax Bits
RE_DOT_NOT_NULL: Syntax Bits
re_exec: re_exec
re_exec: BSD Searching
RE_HAT_LISTS_NOT_NEWLINE: Syntax Bits
RE_ICASE: Syntax Bits
RE_INTERVALS: Syntax Bits
RE_INVALID_INTERVAL_ORD: Syntax Bits
RE_LIMITED_OPS: Syntax Bits
re_match: re_match
re_match: GNU Matching
re_match_2: re_match_2
re_match_2: Matching/Searching with Split Data
RE_NEWLINE_ALT: Syntax Bits
RE_NO_BK_BRACES: Syntax Bits
RE_NO_BK_PARENS: Syntax Bits
RE_NO_BK_REFS: Syntax Bits
RE_NO_BK_VBAR: Syntax Bits
RE_NO_EMPTY_RANGES: Syntax Bits
RE_NO_GNU_OPS: Syntax Bits
RE_NO_POSIX_BACKTRACKING: Syntax Bits
RE_NO_SUB: Syntax Bits
re_nsub field, set by re_compile_pattern: GNU Regular Expression Compiling
re_pattern_buffer definition: GNU Pattern Buffers
re_registers: Using Registers
re_search: re_search
re_search: GNU Searching
re_search_2: re_search_2
re_search_2: Matching/Searching with Split Data
re_set_registers: re_set_registers
re_set_registers: Using Registers
re_set_syntax: re_set_syntax
re_syntax_options: re_syntax_options
re_syntax_options initialization: GNU Regular Expression Compiling
RE_UNMATCHED_RIGHT_PAREN_ORD: Syntax Bits
rindex: rindex
rint: rint
rintf: rintf
rintl: rintl
rmdir: rmdir
round: round
roundf: roundf
roundl: roundl
rpc_createerr: rpc_createerr
rpmatch: rpmatch
rresvport: rresvport
rresvport_af: rresvport_af
rtime: rtime
ruserok: ruserok
ruserok_af: ruserok_af
S
sbrk: sbrk
scalb: scalb
scalbf: scalbf
scalbl: scalbl
scalbln: scalbln
scalblnf: scalblnf
scalblnl: scalblnl
scalbn: scalbn
scalbnf: scalbnf
scalbnl: scalbnl
scandir: scandir
scandirat: scandirat
scanf: scanf
sched_getaffinity: sched_getaffinity
sched_getparam: sched_getparam
sched_getscheduler: sched_getscheduler
sched_get_priority_max: sched_get_priority_max
sched_get_priority_min: sched_get_priority_min
sched_rr_get_interval: sched_rr_get_interval
sched_setaffinity: sched_setaffinity
sched_setparam: sched_setparam
sched_setscheduler: sched_setscheduler
sched_yield: sched_yield
searching with GNU functions: GNU Searching
secure_getenv: secure_getenv
seed48: seed48
seed48_r: seed48_r
seekdir: seekdir
select: select
semctl: semctl
semget: semget
semop: semop
semtimedop: semtimedop
sem_close: sem_close
sem_destroy: sem_destroy
sem_getvalue: sem_getvalue
sem_init: sem_init
sem_open: sem_open
sem_post: sem_post
sem_timedwait: sem_timedwait
sem_trywait: sem_trywait
sem_unlink: sem_unlink
sem_wait: sem_wait
send: send
sendfile: sendfile
sendmmsg: sendmmsg
sendmsg: sendmsg
sendto: sendto
setaliasent: setaliasent
setbuf: setbuf
setbuffer: setbuffer
setcontext: setcontext
setdomainname: setdomainname
setegid: setegid
setenv: setenv
seteuid: seteuid
setfsent: setfsent
setfsgid: setfsgid
setfsuid: setfsuid
setgid: setgid
setgrent: setgrent
setgroups: setgroups
sethostent: sethostent
sethostid: sethostid
sethostname: sethostname
setipv4sourcefilter: setipv4sourcefilter
setitimer: setitimer
setjmp: setjmp
setkey: setkey
setkey_r: setkey_r
setlinebuf: setlinebuf
setlocale: setlocale
setlogin: setlogin
setlogmask: setlogmask
setmntent: setmntent
setnetent: setnetent
setnetgrent: setnetgrent
setns: setns
setpgid: setpgid
setpgrp: setpgrp
setpriority: setpriority
setprotoent: setprotoent
setpwent: setpwent
setregid: setregid
setresgid: setresgid
setresuid: setresuid
setreuid: setreuid
setrlimit: setrlimit
setrpcent: setrpcent
setservent: setservent
setsgent: setsgent
setsid: setsid
setsockopt: setsockopt
setsourcefilter: setsourcefilter
setspent: setspent
setstate: setstate
setstate_r: setstate_r
settimeofday: settimeofday
setttyent: setttyent
setuid: setuid
setusershell: setusershell
setutent: setutent
setutxent: setutxent
setvbuf: setvbuf
setxattr: setxattr
sgetsgent: sgetsgent
sgetsgent_r: sgetsgent_r
sgetspent: sgetspent
sgetspent_r: sgetspent_r
shmat: shmat
shmctl: shmctl
shmdt: shmdt
shmget: shmget
shm_open: shm_open
shm_unlink: shm_unlink
shutdown: shutdown
sigaction: sigaction
sigaddset: sigaddset
sigaltstack: sigaltstack
sigandset: sigandset
sigblock: sigblock
sigdelset: sigdelset
sigemptyset: sigemptyset
sigfillset: sigfillset
siggetmask: siggetmask
sighold: sighold
sigignore: sigignore
siginterrupt: siginterrupt
sigisemptyset: sigisemptyset
sigismember: sigismember
siglongjmp: siglongjmp
signal: signal
signbit: signbit
signgam: signgam
significand: significand
significandf: significandf
significandl: significandl
sigorset: sigorset
sigpause: sigpause
sigpending: sigpending
sigprocmask: sigprocmask
sigqueue: sigqueue
sigrelse: sigrelse
sigreturn: sigreturn
sigset: sigset
sigsetjmp: sigsetjmp
sigsetmask: sigsetmask
sigstack: sigstack
sigsuspend: sigsuspend
sigtimedwait: sigtimedwait
sigvec: sigvec
sigwait: sigwait
sigwaitinfo: sigwaitinfo
sin: sin
sincos: sincos
sincosf: sincosf
sincosl: sincosl
sinf: sinf
sinh: sinh
sinhf: sinhf
sinhl: sinhl
sinl: sinl
sleep: sleep
snprintf: snprintf
sockatmark: sockatmark
socket: socket
socketpair: socketpair
specification: Specification
sprintf: sprintf
sprofil: sprofil
sqrt: sqrt
sqrtf: sqrtf
sqrtl: sqrtl
srand: srand
srand48: srand48
srand48_r: srand48_r
srandom: srandom
srandom_r: srandom_r
sscanf: sscanf
ssignal: ssignal
start argument to re_search: GNU Searching
start in struct re_registers: Using Registers
stat: stat
statfs: statfs
statvfs: statvfs
stderr: stderr
stdin: stdin
stdout: stdout
step: step
stime: stime
stpcpy: stpcpy
stpncpy: stpncpy
strcasecmp: strcasecmp
strcasecmp_l: strcasecmp_l
strcasestr: strcasestr
strcat: strcat
strchr: strchr
strchrnul: strchrnul
strcmp: strcmp
strcoll: strcoll
strcoll_l: strcoll_l
strcpy: strcpy
strcspn: strcspn
strdup: strdup
strerror: strerror
strerror_l: strerror_l
strerror_r: strerror_r
strfmon: strfmon
strfmon_l: strfmon_l
strfry: strfry
strftime: strftime
strftime_l: strftime_l
strlen: strlen
strncasecmp: strncasecmp
strncasecmp_l: strncasecmp_l
strncat: strncat
strncmp: strncmp
strncpy: strncpy
strndup: strndup
strnlen: strnlen
strpbrk: strpbrk
strptime: strptime
strptime_l: strptime_l
strrchr: strrchr
strsep: strsep
strsignal: strsignal
strspn: strspn
strstr: strstr
strtod: strtod
strtod_l: strtod_l
strtof: strtof
strtof_l: strtof_l
strtoimax: strtoimax
strtok: strtok
strtok_r: strtok_r
strtol: strtol
strtold: strtold
strtold_l: strtold_l
strtoll: strtoll
strtoll_l: strtoll_l
strtol_l: strtol_l
strtoq: strtoq
strtoul: strtoul
strtoull: strtoull
strtoull_l: strtoull_l
strtoul_l: strtoul_l
strtoumax: strtoumax
strtouq: strtouq
struct re_pattern_buffer definition: GNU Pattern Buffers
strverscmp: strverscmp
strxfrm: strxfrm
strxfrm_l: strxfrm_l
ST_BLKSIZE: stat-size
ST_NBLOCKS: stat-size
ST_NBLOCKSIZE: stat-size
subexpressions: Grouping Operators
svcerr_auth: svcerr_auth
svcerr_decode: svcerr_decode
svcerr_noproc: svcerr_noproc
svcerr_noprog: svcerr_noprog
svcerr_progvers: svcerr_progvers
svcerr_systemerr: svcerr_systemerr
svcerr_weakauth: svcerr_weakauth
svcraw_create: svcraw_create
svctcp_create: svctcp_create
svcudp_bufcreate: svcudp_bufcreate
svcudp_create: svcudp_create
svcunix_create: svcunix_create
svc_exit: svc_exit
svc_fdset: svc_fdset
svc_getreq: svc_getreq
svc_getreqset: svc_getreqset
svc_getreq_common: svc_getreq_common
svc_getreq_poll: svc_getreq_poll
svc_max_pollfd: svc_max_pollfd
svc_pollfd: svc_pollfd
svc_register: svc_register
svc_run: svc_run
svc_sendreply: svc_sendreply
svc_unregister: svc_unregister
swab: swab
swapcontext: swapcontext
swapoff: swapoff
swapon: swapon
swprintf: swprintf
swscanf: swscanf
symlink: symlink
symlinkat: symlinkat
sync: sync
syncfs: syncfs
syntax bits: Syntax Bits
syntax field, set by re_compile_pattern: GNU Regular Expression Compiling
syntax initialization: GNU Regular Expression Compiling
syntax of regular expressions: Regular Expression Syntax
syscall: syscall
sysconf: sysconf
sysctl: sysctl
sysinfo: sysinfo
syslog: syslog
system: system
sysv_signal: sysv_signal
sys_errlist: sys_errlist
sys_nerr: sys_nerr
sys_siglist: sys_siglist
T
tan: tan
tanf: tanf
tanh: tanh
tanhf: tanhf
tanhl: tanhl
tanl: tanl
tcdrain: tcdrain
tcflow: tcflow
tcflush: tcflush
tcgetattr: tcgetattr
tcgetpgrp: tcgetpgrp
tcgetsid: tcgetsid
tcsendbreak: tcsendbreak
tcsetattr: tcsetattr
tcsetpgrp: tcsetpgrp
tdelete: tdelete
tdestroy: tdestroy
telldir: telldir
tempnam: tempnam
tests modules, C++: Extra tests modules
tests modules, long-running: Extra tests modules
tests modules, privileged: Extra tests modules
tests modules, unportable: Extra tests modules
textdomain: textdomain
tfind: tfind
tgamma: tgamma
tgammaf: tgammaf
tgammal: tgammal
time: time
timegm: timegm
timelocal: timelocal
timer_create: timer_create
timer_delete: timer_delete
timer_getoverrun: timer_getoverrun
timer_gettime: timer_gettime
timer_settime: timer_settime
times: times
timespec_get: timespec_get
timezone: timezone
tmpfile: tmpfile
tmpnam: tmpnam
tmpnam_r: tmpnam_r
toascii: toascii
tolower: tolower
tolower_l: tolower_l
toupper: toupper
toupper_l: toupper_l
towctrans: towctrans
towctrans_l: towctrans_l
towlower: towlower
towlower_l: towlower_l
towupper: towupper
towupper_l: towupper_l
translate initialization: GNU Regular Expression Compiling
trunc: trunc
truncate: truncate
truncf: truncf
truncl: truncl
tsearch: tsearch
ttyname: ttyname
ttyname_r: ttyname_r
ttyslot: ttyslot
twalk: twalk
TYPE_IS_INTEGER: Integer Type Determination
TYPE_MAXIMUM: Integer Bounds
TYPE_MINIMUM: Integer Bounds
TYPE_SIGNED: Integer Type Determination
tzname: tzname
tzset: tzset
U
ualarm: ualarm
ulckpwdf: ulckpwdf
ulimit: ulimit
umask: umask
umount: umount
umount2: umount2
uname: uname
ungetc: ungetc
ungetwc: ungetwc
unlink: unlink
unlinkat: unlinkat
unlockpt: unlockpt
unportable tests modules: Extra tests modules
unsetenv: unsetenv
updwtmp: updwtmp
updwtmpx: updwtmpx
uselocale: uselocale
user2netname: user2netname
usleep: usleep
ustat: ustat
utime: utime
utimensat: utimensat
utimes: utimes
utmpname: utmpname
utmpxname: utmpxname
V
valloc: valloc
vasprintf: vasprintf
va_arg: va_arg
va_copy: va_copy
va_end: va_end
va_start: va_start
vdprintf: vdprintf
verify: Compile-time Assertions
verify_expr: Compile-time Assertions
verr: verr
verrx: verrx
versionsort: versionsort
vfork: vfork
vfprintf: vfprintf
vfscanf: vfscanf
vfwprintf: vfwprintf
vfwscanf: vfwscanf
vhangup: vhangup
vlimit: vlimit
vm86: vm86
void: Safe Allocation Macros
vprintf: vprintf
vscanf: vscanf
vsnprintf: vsnprintf
vsprintf: vsprintf
vsscanf: vsscanf
vswprintf: vswprintf
vswscanf: vswscanf
vsyslog: vsyslog
vtimes: vtimes
vwarn: vwarn
vwarnx: vwarnx
vwprintf: vwprintf
vwscanf: vwscanf
W
wait: wait
wait3: wait3
wait4: wait4
waitid: waitid
waitpid: waitpid
warn: warn
warnx: warnx
wcpcpy: wcpcpy
wcpncpy: wcpncpy
wcrtomb: wcrtomb
wcscasecmp: wcscasecmp
wcscasecmp_l: wcscasecmp_l
wcscat: wcscat
wcschr: wcschr
wcschrnul: wcschrnul
wcscmp: wcscmp
wcscoll: wcscoll
wcscoll_l: wcscoll_l
wcscpy: wcscpy
wcscspn: wcscspn
wcsdup: wcsdup
wcsftime: wcsftime
wcsftime_l: wcsftime_l
wcslen: wcslen
wcsncasecmp: wcsncasecmp
wcsncasecmp_l: wcsncasecmp_l
wcsncat: wcsncat
wcsncmp: wcsncmp
wcsncpy: wcsncpy
wcsnlen: wcsnlen
wcsnrtombs: wcsnrtombs
wcspbrk: wcspbrk
wcsrchr: wcsrchr
wcsrtombs: wcsrtombs
wcsspn: wcsspn
wcsstr: wcsstr
wcstod: wcstod
wcstod_l: wcstod_l
wcstof: wcstof
wcstof_l: wcstof_l
wcstoimax: wcstoimax
wcstok: wcstok
wcstol: wcstol
wcstold: wcstold
wcstold_l: wcstold_l
wcstoll: wcstoll
wcstoll_l: wcstoll_l
wcstol_l: wcstol_l
wcstombs: wcstombs
wcstoq: wcstoq
wcstoul: wcstoul
wcstoull: wcstoull
wcstoull_l: wcstoull_l
wcstoul_l: wcstoul_l
wcstoumax: wcstoumax
wcstouq: wcstouq
wcswcs: wcswcs
wcswidth: wcswidth
wcsxfrm: wcsxfrm
wcsxfrm_l: wcsxfrm_l
wctob: wctob
wctomb: wctomb
wctrans: wctrans
wctrans_l: wctrans_l
wctype: wctype
wctype_l: wctype_l
wcwidth: wcwidth
wmemchr: wmemchr
wmemcmp: wmemcmp
wmemcpy: wmemcpy
wmemmove: wmemmove
wmempcpy: wmempcpy
wmemset: wmemset
word boundaries, matching: Match-word-boundary Operator
wordexp: wordexp
wordfree: wordfree
wprintf: wprintf
write: write
writev: writev
wscanf: wscanf
X
xalloc_die: Out of memory handling
xdrmem_create: xdrmem_create
xdrrec_create: xdrrec_create
xdrrec_endofrecord: xdrrec_endofrecord
xdrrec_eof: xdrrec_eof
xdrrec_skiprecord: xdrrec_skiprecord
xdrstdio_create: xdrstdio_create
xdr_array: xdr_array
xdr_authunix_parms: xdr_authunix_parms
xdr_bool: xdr_bool
xdr_bytes: xdr_bytes
xdr_callhdr: xdr_callhdr
xdr_callmsg: xdr_callmsg
xdr_cback_data: xdr_cback_data
xdr_char: xdr_char
xdr_cryptkeyarg: xdr_cryptkeyarg
xdr_cryptkeyarg2: xdr_cryptkeyarg2
xdr_cryptkeyres: xdr_cryptkeyres
xdr_des_block: xdr_des_block
xdr_domainname: xdr_domainname
xdr_double: xdr_double
xdr_enum: xdr_enum
xdr_float: xdr_float
xdr_free: xdr_free
xdr_getcredres: xdr_getcredres
xdr_hyper: xdr_hyper
xdr_int: xdr_int
xdr_int16_t: xdr_int16_t
xdr_int32_t: xdr_int32_t
xdr_int64_t: xdr_int64_t
xdr_int8_t: xdr_int8_t
xdr_keybuf: xdr_keybuf
xdr_keydat: xdr_keydat
xdr_keystatus: xdr_keystatus
xdr_key_netstarg: xdr_key_netstarg
xdr_key_netstres: xdr_key_netstres
xdr_long: xdr_long
xdr_longlong_t: xdr_longlong_t
xdr_mapname: xdr_mapname
xdr_netnamestr: xdr_netnamestr
xdr_netobj: xdr_netobj
xdr_obj_p: xdr_obj_p
xdr_opaque: xdr_opaque
xdr_opaque_auth: xdr_opaque_auth
xdr_peername: xdr_peername
xdr_pmap: xdr_pmap
xdr_pmaplist: xdr_pmaplist
xdr_pointer: xdr_pointer
xdr_quad_t: xdr_quad_t
xdr_reference: xdr_reference
xdr_replymsg: xdr_replymsg
xdr_rmtcallres: xdr_rmtcallres
xdr_rmtcall_args: xdr_rmtcall_args
xdr_short: xdr_short
xdr_sizeof: xdr_sizeof
xdr_string: xdr_string
xdr_uint16_t: xdr_uint16_t
xdr_uint32_t: xdr_uint32_t
xdr_uint64_t: xdr_uint64_t
xdr_uint8_t: xdr_uint8_t
xdr_union: xdr_union
xdr_unixcred: xdr_unixcred
xdr_u_char: xdr_u_char
xdr_u_hyper: xdr_u_hyper
xdr_u_int: xdr_u_int
xdr_u_long: xdr_u_long
xdr_u_longlong_t: xdr_u_longlong_t
xdr_u_quad_t: xdr_u_quad_t
xdr_u_short: xdr_u_short
xdr_valdat: xdr_valdat
xdr_vector: xdr_vector
xdr_void: xdr_void
xdr_wrapstring: xdr_wrapstring
xdr_ypall: xdr_ypall
xdr_ypbind_binding: xdr_ypbind_binding
xdr_ypbind_resp: xdr_ypbind_resp
xdr_ypbind_resptype: xdr_ypbind_resptype
xdr_ypbind_setdom: xdr_ypbind_setdom
xdr_ypdelete_args: xdr_ypdelete_args
xdr_ypmaplist: xdr_ypmaplist
xdr_ypmap_parms: xdr_ypmap_parms
xdr_yppushresp_xfr: xdr_yppushresp_xfr
xdr_yppush_status: xdr_yppush_status
xdr_ypreq_key: xdr_ypreq_key
xdr_ypreq_nokey: xdr_ypreq_nokey
xdr_ypreq_xfr: xdr_ypreq_xfr
xdr_ypresp_all: xdr_ypresp_all
xdr_ypresp_key_val: xdr_ypresp_key_val
xdr_ypresp_maplist: xdr_ypresp_maplist
xdr_ypresp_master: xdr_ypresp_master
xdr_ypresp_order: xdr_ypresp_order
xdr_ypresp_val: xdr_ypresp_val
xdr_ypresp_xfr: xdr_ypresp_xfr
xdr_ypstat: xdr_ypstat
xdr_ypupdate_args: xdr_ypupdate_args
xdr_ypxfrstat: xdr_ypxfrstat
xdr_yp_buf: xdr_yp_buf
xprt_register: xprt_register
xprt_unregister: xprt_unregister
Y
y0: y0
y0f: y0f
y0l: y0l
y1: y1
y1f: y1f
y1l: y1l
yn: yn
ynf: ynf
ynl: ynl
ypbinderr_string: ypbinderr_string
yperr_string: yperr_string
ypprot_err: ypprot_err
yp_all: yp_all
yp_bind: yp_bind
yp_first: yp_first
yp_get_default_domain: yp_get_default_domain
yp_master: yp_master
yp_match: yp_match
yp_next: yp_next
yp_order: yp_order
yp_unbind: yp_unbind
yp_update: yp_update
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Footnotes

(1)

Sometimes you don’t have to explicitly quote special characters to make them ordinary. For instance, most characters lose any special meaning inside a list (see List Operators). In addition, if the syntax bits RE_CONTEXT_INVALID_OPS and RE_CONTEXT_INDEP_OPS aren’t set, then (for historical reasons) the matcher considers special characters ordinary if they are in contexts where the operations they represent make no sense; for example, then the match-zero-or-more operator (represented by ‘*’) matches itself in the regular expression ‘*foo’ because there is no preceding expression on which it can operate. It is poor practice, however, to depend on this behavior; if you want a special character to be ordinary outside a list, it’s better to always quote it, regardless.

(2)

Regex therefore doesn’t consider the ‘^’ to be the first character in the list. If you put a ‘^’ character first in (what you think is) a matching list, you’ll turn it into a nonmatching list.

(3)

You can’t use a character class for the starting or ending point of a range, since a character class is not a single character.

(4)

Regular expressions are also referred to as “patterns,” hence the name “pattern buffer.”

(5)

A table that maps all uppercase letters to the corresponding lowercase ones would work just as well for this purpose.