Class <anonymous struct>
   size=8 align=4
   base size=8 base align=4
<anonymous struct> (0x0x7f252189d9c0) 0

Class <anonymous struct>::<anonymous union>
   size=4 align=4
   base size=4 base align=4
<anonymous struct>::<anonymous union> (0x0x7f252189da80) 0

Class <anonymous struct>
   size=8 align=4
   base size=8 base align=4
<anonymous struct> (0x0x7f252189da20) 0

Class <anonymous struct>
   size=16 align=8
   base size=16 base align=8
<anonymous struct> (0x0x7f252189dae0) 0

Class <anonymous struct>
   size=16 align=8
   base size=16 base align=8
<anonymous struct> (0x0x7f252189db40) 0

Class _IO_marker
   size=24 align=8
   base size=24 base align=8
_IO_marker (0x0x7f252189dba0) 0

Class _IO_FILE
   size=216 align=8
   base size=216 base align=8
_IO_FILE (0x0x7f252189dc00) 0

Class <anonymous struct>
   size=32 align=8
   base size=32 base align=8
<anonymous struct> (0x0x7f252189dc60) 0

Vtable for Midifile_reader
Midifile_reader::_ZTV15Midifile_reader: 29u entries
0     (int (*)(...))0
8     (int (*)(...))(& _ZTI15Midifile_reader)
16    (int (*)(...))__cxa_pure_virtual
24    (int (*)(...))__cxa_pure_virtual
32    (int (*)(...))__cxa_pure_virtual
40    (int (*)(...))__cxa_pure_virtual
48    (int (*)(...))__cxa_pure_virtual
56    (int (*)(...))__cxa_pure_virtual
64    (int (*)(...))__cxa_pure_virtual
72    (int (*)(...))__cxa_pure_virtual
80    (int (*)(...))__cxa_pure_virtual
88    (int (*)(...))__cxa_pure_virtual
96    (int (*)(...))__cxa_pure_virtual
104   (int (*)(...))__cxa_pure_virtual
112   (int (*)(...))__cxa_pure_virtual
120   (int (*)(...))__cxa_pure_virtual
128   (int (*)(...))__cxa_pure_virtual
136   (int (*)(...))__cxa_pure_virtual
144   (int (*)(...))__cxa_pure_virtual
152   (int (*)(...))__cxa_pure_virtual
160   (int (*)(...))__cxa_pure_virtual
168   (int (*)(...))__cxa_pure_virtual
176   (int (*)(...))__cxa_pure_virtual
184   (int (*)(...))__cxa_pure_virtual
192   (int (*)(...))__cxa_pure_virtual
200   (int (*)(...))__cxa_pure_virtual
208   (int (*)(...))__cxa_pure_virtual
216   (int (*)(...))__cxa_pure_virtual
224   (int (*)(...))__cxa_pure_virtual

Class Midifile_reader
   size=64 align=8
   base size=64 base align=8
Midifile_reader (0x0x7f252189de40) 0
    vptr=((& Midifile_reader::_ZTV15Midifile_reader) + 16u)

Class __locale_struct
   size=232 align=8
   base size=232 base align=8
__locale_struct (0x0x7f252189df00) 0

