Class Fl
   size=1 align=1
   base size=0 base align=1
Fl (0x0x7f03202046c0) 0 empty

Class Fl_Label
   size=32 align=8
   base size=32 base align=8
Fl_Label (0x0x7f0320204780) 0

Vtable for Fl_Widget
Fl_Widget::_ZTV9Fl_Widget: 7u entries
0     (int (*)(...))0
8     (int (*)(...))(& _ZTI9Fl_Widget)
16    0u
24    0u
32    (int (*)(...))__cxa_pure_virtual
40    (int (*)(...))Fl_Widget::handle
48    (int (*)(...))Fl_Widget::resize

Class Fl_Widget
   size=104 align=8
   base size=104 base align=8
Fl_Widget (0x0x7f03202047e0) 0
    vptr=((& Fl_Widget::_ZTV9Fl_Widget) + 16u)

Vtable for Fl_Button
Fl_Button::_ZTV9Fl_Button: 7u entries
0     (int (*)(...))0
8     (int (*)(...))(& _ZTI9Fl_Button)
16    (int (*)(...))Fl_Button::~Fl_Button
24    (int (*)(...))Fl_Button::~Fl_Button
32    (int (*)(...))Fl_Button::draw
40    (int (*)(...))Fl_Button::handle
48    (int (*)(...))Fl_Widget::resize

Class Fl_Button
   size=112 align=8
   base size=111 base align=8
Fl_Button (0x0x7f03200b72d8) 0
    vptr=((& Fl_Button::_ZTV9Fl_Button) + 16u)
  Fl_Widget (0x0x7f03202048a0) 0
      primary-for Fl_Button (0x0x7f03200b72d8)

Vtable for Fl_Return_Button
Fl_Return_Button::_ZTV16Fl_Return_Button: 7u entries
0     (int (*)(...))0
8     (int (*)(...))(& _ZTI16Fl_Return_Button)
16    (int (*)(...))Fl_Return_Button::~Fl_Return_Button
24    (int (*)(...))Fl_Return_Button::~Fl_Return_Button
32    (int (*)(...))Fl_Return_Button::draw
40    (int (*)(...))Fl_Return_Button::handle
48    (int (*)(...))Fl_Widget::resize

Class Fl_Return_Button
   size=112 align=8
   base size=111 base align=8
Fl_Return_Button (0x0x7f03200b7340) 0
    vptr=((& Fl_Return_Button::_ZTV16Fl_Return_Button) + 16u)
  Fl_Button (0x0x7f03200b73a8) 0
      primary-for Fl_Return_Button (0x0x7f03200b7340)
    Fl_Widget (0x0x7f0320204900) 0
        primary-for Fl_Button (0x0x7f03200b73a8)

