FM / types

/usr/include/bits/types

Name	Size	Mode	Actions
clockid_t.h	174	0644	edit dl rm
clock_t.h	143	0644	edit dl rm
cookie_io_functions_t.h	2725	0644	edit dl rm
error_t.h	894	0644	edit dl rm
FILE.h	180	0644	edit dl rm
locale_t.h	983	0644	edit dl rm
mbstate_t.h	135	0644	edit dl rm
res_state.h	2009	0644	edit dl rm
sigevent_t.h	1204	0644	edit dl rm
siginfo_t.h	3892	0644	edit dl rm
sigset_t.h	195	0644	edit dl rm
sigval_t.h	599	0644	edit dl rm
sig_atomic_t.h	272	0644	edit dl rm
stack_t.h	1062	0644	edit dl rm
struct_FILE.h	4588	0644	edit dl rm
struct_iovec.h	1066	0644	edit dl rm
struct_itimerspec.h	288	0644	edit dl rm
struct_msqid64_ds.h	1094	0644	edit dl rm
struct_msqid64_ds_helper.h	1517	0644	edit dl rm
struct_msqid_ds.h	2127	0644	edit dl rm
struct_osockaddr.h	274	0644	edit dl rm
struct_rusage.h	4121	0644	edit dl rm
struct_sched_param.h	1073	0644	edit dl rm
struct_semid64_ds.h	1109	0644	edit dl rm
struct_semid64_ds_helper.h	1212	0644	edit dl rm
struct_semid_ds.h	1518	0644	edit dl rm
struct_shmid64_ds.h	1111	0644	edit dl rm
struct_shmid64_ds_helper.h	1353	0644	edit dl rm
struct_shmid_ds.h	1993	0644	edit dl rm
struct_sigstack.h	1073	0644	edit dl rm
struct_statx.h	1897	0644	edit dl rm
struct_statx_timestamp.h	1202	0644	edit dl rm
struct_timeb.h	413	0644	edit dl rm
struct_timespec.h	867	0644	edit dl rm
struct_timeval.h	411	0644	edit dl rm
struct_tm.h	760	0644	edit dl rm
struct___jmp_buf_tag.h	1467	0644	edit dl rm
timer_t.h	159	0644	edit dl rm
time_t.h	203	0644	edit dl rm
wint_t.h	796	0644	edit dl rm
__FILE.h	110	0644	edit dl rm
__fpos64_t.h	410	0644	edit dl rm
__fpos_t.h	381	0644	edit dl rm
__locale_t.h	1722	0644	edit dl rm
__mbstate_t.h	564	0644	edit dl rm
__sigset_t.h	206	0644	edit dl rm
__sigval_t.h	1148	0644	edit dl rm

Edit: /usr/include/bits/types/struct_FILE.h (4588B)

/* Copyright (C) 1991-2021 Free Software Foundation, Inc.
   Copyright The GNU Toolchain Authors.
   This file is part of the GNU C Library.

The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, see
   <https://www.gnu.org/licenses/>.  */

#ifndef __struct_FILE_defined
#define __struct_FILE_defined 1

/* Caution: The contents of this file are not part of the official
   stdio.h API.  However, much of it is part of the official *binary*
   interface, and therefore cannot be changed.  */

#if defined _IO_USE_OLD_IO_FILE && !defined _LIBC
# error "_IO_USE_OLD_IO_FILE should only be defined when building libc itself"
#endif

#if defined _IO_lock_t_defined && !defined _LIBC
# error "_IO_lock_t_defined should only be defined when building libc itself"
#endif

#include <bits/types.h>
#include <bits/wordsize.h>

struct _IO_FILE;
struct _IO_marker;
struct _IO_codecvt;
struct _IO_wide_data;

/* During the build of glibc itself, _IO_lock_t will already have been
   defined by internal headers.  */
#ifndef _IO_lock_t_defined
typedef void _IO_lock_t;
#endif

/* The tag name of this struct is _IO_FILE to preserve historic
   C++ mangled names for functions taking FILE* arguments.
   That name should not be used in new code.  */
struct _IO_FILE
{
  int _flags;		/* High-order word is _IO_MAGIC; rest is flags. */

/* The following pointers correspond to the C++ streambuf protocol. */
  char *_IO_read_ptr;	/* Current read pointer */
  char *_IO_read_end;	/* End of get area. */
  char *_IO_read_base;	/* Start of putback+get area. */
  char *_IO_write_base;	/* Start of put area. */
  char *_IO_write_ptr;	/* Current put pointer. */
  char *_IO_write_end;	/* End of put area. */
  char *_IO_buf_base;	/* Start of reserve area. */
  char *_IO_buf_end;	/* End of reserve area. */

/* The following fields are used to support backing up and undo. */
  char *_IO_save_base; /* Pointer to start of non-current get area. */
  char *_IO_backup_base;  /* Pointer to first valid character of backup area */
  char *_IO_save_end; /* Pointer to end of non-current get area. */

struct _IO_marker *_markers;

struct _IO_FILE *_chain;

int _fileno;
#ifdef _LIBC
  int _flags2:24;
  /* Fallback buffer to use when malloc fails to allocate one.  */
  char _short_backupbuf[1];
#else
  /* Legacy ABI for ABI checking outside of glibc.  */
  int _flags2;
#endif
  __off_t _old_offset; /* This used to be _offset but it's too small.  */

/* 1+column number of pbase(); 0 is unknown. */
  unsigned short _cur_column;
  signed char _vtable_offset;
  char _shortbuf[1];

_IO_lock_t *_lock;
#ifdef _IO_USE_OLD_IO_FILE
};

struct _IO_FILE_complete
{
  struct _IO_FILE _file;
#endif
  __off64_t _offset;
  /* Wide character stream stuff.  */
  struct _IO_codecvt *_codecvt;
  struct _IO_wide_data *_wide_data;
  struct _IO_FILE *_freeres_list;
  void *_freeres_buf;
  size_t __pad5;
  int _mode;
#ifdef _LIBC
# if __WORDSIZE == 64
  int _unused3;
# endif
  __uint64_t _total_written;
# if __WORDSIZE == 32
  int _unused3;
# endif
  /* Make sure we don't get into trouble again.  */
  char _unused2[12 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
#else
  char _unused2[15 * sizeof (int) - 4 * sizeof (void *) - sizeof (size_t)];
#endif
};

/* These macros are used by bits/stdio.h and internal headers.  */
#define __getc_unlocked_body(_fp)					\
  (__glibc_unlikely ((_fp)->_IO_read_ptr >= (_fp)->_IO_read_end)	\
   ? __uflow (_fp) : *(unsigned char *) (_fp)->_IO_read_ptr++)

#define __putc_unlocked_body(_ch, _fp)					\
  (__glibc_unlikely ((_fp)->_IO_write_ptr >= (_fp)->_IO_write_end)	\
   ? __overflow (_fp, (unsigned char) (_ch))				\
   : (unsigned char) (*(_fp)->_IO_write_ptr++ = (_ch)))

#define _IO_EOF_SEEN 0x0010
#define __feof_unlocked_body(_fp) (((_fp)->_flags & _IO_EOF_SEEN) != 0)

#define _IO_ERR_SEEN 0x0020
#define __ferror_unlocked_body(_fp) (((_fp)->_flags & _IO_ERR_SEEN) != 0)

#define _IO_USER_LOCK 0x8000
/* Many more flag bits are defined internally.  */

#endif

cmd: