FM / bits

/usr/include/bits

Name	Size	Mode	Actions
a.out.h	299	0644	edit dl rm
byteswap.h	5396	0644	edit dl rm
cmathcalls.h	4881	0644	edit dl rm
confname.h	23818	0644	edit dl rm
dirent.h	1609	0644	edit dl rm
dlfcn.h	2593	0644	edit dl rm
elfclass.h	426	0644	edit dl rm
endian.h	170	0644	edit dl rm
environments.h	3651	0644	edit dl rm
errno.h	2171	0644	edit dl rm
error.h	2762	0644	edit dl rm
fcntl.h	10426	0644	edit dl rm
fcntl2.h	5607	0644	edit dl rm
fenv.h	3064	0644	edit dl rm
fenvinline.h	190	0644	edit dl rm
huge_val.h	1941	0644	edit dl rm
huge_valf.h	1901	0644	edit dl rm
huge_vall.h	1183	0644	edit dl rm
in.h	7713	0644	edit dl rm
inf.h	1123	0644	edit dl rm
initspin.h	25	0644	edit dl rm
ioctl-types.h	2535	0644	edit dl rm
ioctls.h	4557	0644	edit dl rm
ipc.h	2127	0644	edit dl rm
ipctypes.h	1225	0644	edit dl rm
libc-lock.h	12844	0644	edit dl rm
libio-ldbl.h	1081	0644	edit dl rm
link.h	3620	0644	edit dl rm
locale.h	1378	0644	edit dl rm
local_lim.h	3273	0644	edit dl rm
mathcalls.h	11570	0644	edit dl rm
mathdef.h	2011	0644	edit dl rm
mathinline.h	2035	0644	edit dl rm
mman.h	4825	0644	edit dl rm
monetary-ldbl.h	1108	0644	edit dl rm
mqueue.h	1237	0644	edit dl rm
mqueue2.h	2186	0644	edit dl rm
msq.h	2623	0644	edit dl rm
nan.h	1641	0644	edit dl rm
netdb.h	1349	0644	edit dl rm
poll.h	2155	0644	edit dl rm
posix1_lim.h	4946	0644	edit dl rm
posix2_lim.h	2952	0644	edit dl rm
posix_opt.h	5853	0644	edit dl rm
printf-ldbl.h	1053	0644	edit dl rm
pthreadtypes.h	5763	0644	edit dl rm
resource.h	7182	0644	edit dl rm
sched.h	7491	0644	edit dl rm
select.h	2166	0644	edit dl rm
sem.h	2624	0644	edit dl rm
semaphore.h	1305	0644	edit dl rm
setjmp.h	1291	0644	edit dl rm
setjmp2.h	1752	0644	edit dl rm
shm.h	3601	0644	edit dl rm
sigaction.h	2919	0644	edit dl rm
sigcontext.h	3699	0644	edit dl rm
siginfo.h	9125	0644	edit dl rm
signum.h	3484	0644	edit dl rm
sigset.h	4652	0644	edit dl rm
sigstack.h	1595	0644	edit dl rm
sigthread.h	1747	0644	edit dl rm
sockaddr.h	1601	0644	edit dl rm
socket.h	14207	0644	edit dl rm
socket2.h	3101	0644	edit dl rm
stab.def	9101	0644	edit dl rm
stat.h	7790	0644	edit dl rm
statfs.h	2026	0644	edit dl rm
statvfs.h	3439	0644	edit dl rm
stdio-ldbl.h	3196	0644	edit dl rm
stdio-lock.h	2262	0644	edit dl rm
stdio.h	5654	0644	edit dl rm
stdio2.h	12652	0644	edit dl rm
stdio_lim.h	1440	0644	edit dl rm
stdlib-ldbl.h	1462	0644	edit dl rm
stdlib.h	5770	0644	edit dl rm
string.h	1185	0644	edit dl rm
string2.h	47734	0644	edit dl rm
string3.h	4629	0644	edit dl rm
syscall.h	14573	0644	edit dl rm
syslog-ldbl.h	1269	0644	edit dl rm
syslog-path.h	1122	0644	edit dl rm
syslog.h	1773	0644	edit dl rm
sys_errlist.h	1284	0644	edit dl rm
termios.h	5396	0644	edit dl rm
time.h	2866	0644	edit dl rm
types.h	7601	0644	edit dl rm
typesizes.h	2538	0644	edit dl rm
uio.h	1832	0644	edit dl rm
unistd.h	13517	0644	edit dl rm
ustat.h	1157	0644	edit dl rm
utmp.h	4098	0644	edit dl rm
utmpx.h	3564	0644	edit dl rm
utsname.h	1286	0644	edit dl rm
waitflags.h	1715	0644	edit dl rm
waitstatus.h	3639	0644	edit dl rm
wchar-ldbl.h	2583	0644	edit dl rm
wchar.h	1033	0644	edit dl rm
wchar2.h	20795	0644	edit dl rm
wordsize.h	175	0644	edit dl rm
xopen_lim.h	3837	0644	edit dl rm

Edit: /usr/include/bits/stdio2.h (12652B)

/* Checking macros for stdio functions.
   Copyright (C) 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
   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, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#ifndef _STDIO_H
# error "Never include <bits/stdio2.h> directly; use <stdio.h> instead."
#endif

extern int __sprintf_chk (char *__restrict __s, int __flag, size_t __slen,
			  __const char *__restrict __format, ...) __THROW;
extern int __vsprintf_chk (char *__restrict __s, int __flag, size_t __slen,
			   __const char *__restrict __format,
			   _G_va_list __ap) __THROW;

#ifdef __va_arg_pack
__extern_always_inline int
__NTH (sprintf (char *__restrict __s, __const char *__restrict __fmt, ...))
{
  return __builtin___sprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
				  __bos (__s), __fmt, __va_arg_pack ());
}
#elif !defined __cplusplus
# define sprintf(str, ...) \
  __builtin___sprintf_chk (str, __USE_FORTIFY_LEVEL - 1, __bos (str), \
			   __VA_ARGS__)
#endif

__extern_always_inline int
__NTH (vsprintf (char *__restrict __s, __const char *__restrict __fmt,
		 _G_va_list __ap))
{
  return __builtin___vsprintf_chk (__s, __USE_FORTIFY_LEVEL - 1,
				   __bos (__s), __fmt, __ap);
}

#if defined __USE_BSD || defined __USE_ISOC99 || defined __USE_UNIX98

extern int __snprintf_chk (char *__restrict __s, size_t __n, int __flag,
			   size_t __slen, __const char *__restrict __format,
			   ...) __THROW;
extern int __vsnprintf_chk (char *__restrict __s, size_t __n, int __flag,
			    size_t __slen, __const char *__restrict __format,
			    _G_va_list __ap) __THROW;

# ifdef __va_arg_pack
__extern_always_inline int
__NTH (snprintf (char *__restrict __s, size_t __n,
		 __const char *__restrict __fmt, ...))
{
  return __builtin___snprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				   __bos (__s), __fmt, __va_arg_pack ());
}
# elif !defined __cplusplus
#  define snprintf(str, len, ...) \
  __builtin___snprintf_chk (str, len, __USE_FORTIFY_LEVEL - 1, __bos (str), \
			    __VA_ARGS__)
# endif

__extern_always_inline int
__NTH (vsnprintf (char *__restrict __s, size_t __n,
		  __const char *__restrict __fmt, _G_va_list __ap))
{
  return __builtin___vsnprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
				    __bos (__s), __fmt, __ap);
}

#endif

#if __USE_FORTIFY_LEVEL > 1

extern int __fprintf_chk (FILE *__restrict __stream, int __flag,
			  __const char *__restrict __format, ...);
extern int __printf_chk (int __flag, __const char *__restrict __format, ...);
extern int __vfprintf_chk (FILE *__restrict __stream, int __flag,
			   __const char *__restrict __format, _G_va_list __ap);
extern int __vprintf_chk (int __flag, __const char *__restrict __format,
			  _G_va_list __ap);

# ifdef __va_arg_pack
__extern_always_inline int
fprintf (FILE *__restrict __stream, __const char *__restrict __fmt, ...)
{
  return __fprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt,
			__va_arg_pack ());
}

__extern_always_inline int
printf (__const char *__restrict __fmt, ...)
{
  return __printf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __va_arg_pack ());
}
# elif !defined __cplusplus
#  define printf(...) \
  __printf_chk (__USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  define fprintf(stream, ...) \
  __fprintf_chk (stream, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
# endif

__extern_always_inline int
vprintf (__const char *__restrict __fmt, _G_va_list __ap)
{
#ifdef __USE_EXTERN_INLINES
  return __vfprintf_chk (stdout, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
#else
  return __vprintf_chk (__USE_FORTIFY_LEVEL - 1, __fmt, __ap);
#endif
}

__extern_always_inline int
vfprintf (FILE *__restrict __stream,
	  __const char *__restrict __fmt, _G_va_list __ap)
{
  return __vfprintf_chk (__stream, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

# ifdef __USE_GNU

extern int __asprintf_chk (char **__restrict __ptr, int __flag,
			   __const char *__restrict __fmt, ...)
     __THROW __attribute__ ((__format__ (__printf__, 3, 4))) __wur;
extern int __vasprintf_chk (char **__restrict __ptr, int __flag,
			    __const char *__restrict __fmt, _G_va_list __arg)
     __THROW __attribute__ ((__format__ (__printf__, 3, 0))) __wur;
extern int __dprintf_chk (int __fd, int __flag, __const char *__restrict __fmt,
			  ...) __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __vdprintf_chk (int __fd, int __flag,
			   __const char *__restrict __fmt, _G_va_list __arg)
     __attribute__ ((__format__ (__printf__, 3, 0)));
extern int __obstack_printf_chk (struct obstack *__restrict __obstack,
				 int __flag, __const char *__restrict __format,
				 ...)
     __THROW __attribute__ ((__format__ (__printf__, 3, 4)));
extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
				  int __flag,
				  __const char *__restrict __format,
				  _G_va_list __args)
     __THROW __attribute__ ((__format__ (__printf__, 3, 0)));

#  ifdef __va_arg_pack
__extern_always_inline int
__NTH (asprintf (char **__restrict __ptr, __const char *__restrict __fmt, ...))
{
  return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
			 __va_arg_pack ());
}

__extern_always_inline int
__NTH (__asprintf (char **__restrict __ptr, __const char *__restrict __fmt,
		   ...))
{
  return __asprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt,
			 __va_arg_pack ());
}

__extern_always_inline int
dprintf (int __fd, __const char *__restrict __fmt, ...)
{
  return __dprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt,
			__va_arg_pack ());
}

__extern_always_inline int
__NTH (obstack_printf (struct obstack *__restrict __obstack,
		       __const char *__restrict __fmt, ...))
{
  return __obstack_printf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
			       __va_arg_pack ());
}
#  elif !defined __cplusplus
#   define asprintf(ptr, ...) \
  __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define __asprintf(ptr, ...) \
  __asprintf_chk (ptr, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define dprintf(fd, ...) \
  __dprintf_chk (fd, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#   define obstack_printf(obstack, ...) \
  __obstack_printf_chk (obstack, __USE_FORTIFY_LEVEL - 1, __VA_ARGS__)
#  endif

__extern_always_inline int
__NTH (vasprintf (char **__restrict __ptr, __const char *__restrict __fmt,
		  _G_va_list __ap))
{
  return __vasprintf_chk (__ptr, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

__extern_always_inline int
vdprintf (int __fd, __const char *__restrict __fmt, _G_va_list __ap)
{
  return __vdprintf_chk (__fd, __USE_FORTIFY_LEVEL - 1, __fmt, __ap);
}

__extern_always_inline int
__NTH (obstack_vprintf (struct obstack *__restrict __obstack,
			__const char *__restrict __fmt, _G_va_list __ap))
{
  return __obstack_vprintf_chk (__obstack, __USE_FORTIFY_LEVEL - 1, __fmt,
				__ap);
}

# endif

#endif

extern char *__gets_chk (char *__str, size_t) __wur;
extern char *__REDIRECT (__gets_warn, (char *__str), gets)
     __wur __warnattr ("please use fgets or getline instead, gets can't "
		       "specify buffer size");

__extern_always_inline __wur char *
gets (char *__str)
{
  if (__bos (__str) != (size_t) -1)
    return __gets_chk (__str, __bos (__str));
  return __gets_warn (__str);
}

extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream) __wur;
extern char *__REDIRECT (__fgets_alias,
			 (char *__restrict __s, int __n,
			  FILE *__restrict __stream), fgets) __wur;
extern char *__REDIRECT (__fgets_chk_warn,
			 (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream), __fgets_chk)
     __wur __warnattr ("fgets called with bigger size than length "
		       "of destination buffer");

__extern_always_inline __wur char *
fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  if (__bos (__s) != (size_t) -1)
    {
      if (!__builtin_constant_p (__n) || __n <= 0)
	return __fgets_chk (__s, __bos (__s), __n, __stream);

if ((size_t) __n > __bos (__s))
	return __fgets_chk_warn (__s, __bos (__s), __n, __stream);
    }
  return __fgets_alias (__s, __n, __stream);
}

extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream) __wur;
extern size_t __REDIRECT (__fread_alias,
			  (void *__restrict __ptr, size_t __size,
			   size_t __n, FILE *__restrict __stream),
			  fread) __wur;
extern size_t __REDIRECT (__fread_chk_warn,
			  (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream),
			  __fread_chk)
     __wur __warnattr ("fread called with bigger size * nmemb than length "
		       "of destination buffer");

__extern_always_inline __wur size_t
fread (void *__restrict __ptr, size_t __size, size_t __n,
       FILE *__restrict __stream)
{
  if (__bos0 (__ptr) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size)
	  || !__builtin_constant_p (__n)
	  || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	return __fread_chk (__ptr, __bos0 (__ptr), __size, __n, __stream);

if (__size * __n > __bos0 (__ptr))
	return __fread_chk_warn (__ptr, __bos0 (__ptr), __size, __n, __stream);
    }
  return __fread_alias (__ptr, __size, __n, __stream);
}

#ifdef __USE_GNU
extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
				   int __n, FILE *__restrict __stream) __wur;
extern char *__REDIRECT (__fgets_unlocked_alias,
			 (char *__restrict __s, int __n,
			  FILE *__restrict __stream), fgets_unlocked) __wur;
extern char *__REDIRECT (__fgets_unlocked_chk_warn,
			 (char *__restrict __s, size_t __size, int __n,
			  FILE *__restrict __stream), __fgets_unlocked_chk)
     __wur __warnattr ("fgets_unlocked called with bigger size than length "
		       "of destination buffer");

__extern_always_inline __wur char *
fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
{
  if (__bos (__s) != (size_t) -1)
    {
      if (!__builtin_constant_p (__n) || __n <= 0)
	return __fgets_unlocked_chk (__s, __bos (__s), __n, __stream);

if ((size_t) __n > __bos (__s))
	return __fgets_unlocked_chk_warn (__s, __bos (__s), __n, __stream);
    }
  return __fgets_unlocked_alias (__s, __n, __stream);
}
#endif

#ifdef __USE_MISC
# undef fread_unlocked
extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
				    size_t __size, size_t __n,
				    FILE *__restrict __stream) __wur;
extern size_t __REDIRECT (__fread_unlocked_alias,
			  (void *__restrict __ptr, size_t __size,
			   size_t __n, FILE *__restrict __stream),
			  fread_unlocked) __wur;
extern size_t __REDIRECT (__fread_unlocked_chk_warn,
			  (void *__restrict __ptr, size_t __ptrlen,
			   size_t __size, size_t __n,
			   FILE *__restrict __stream),
			  __fread_unlocked_chk)
     __wur __warnattr ("fread_unlocked called with bigger size * nmemb than "
		       "length of destination buffer");

__extern_always_inline __wur size_t
fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
		FILE *__restrict __stream)
{
  if (__bos0 (__ptr) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size)
	  || !__builtin_constant_p (__n)
	  || (__size | __n) >= (((size_t) 1) << (8 * sizeof (size_t) / 2)))
	return __fread_unlocked_chk (__ptr, __bos0 (__ptr), __size, __n,
				     __stream);

if (__size * __n > __bos0 (__ptr))
	return __fread_unlocked_chk_warn (__ptr, __bos0 (__ptr), __size, __n,
					  __stream);
    }

# ifdef __USE_EXTERN_INLINES
  if (__builtin_constant_p (__size)
      && __builtin_constant_p (__n)
      && (__size | __n) < (((size_t) 1) << (8 * sizeof (size_t) / 2))
      && __size * __n <= 8)
    {
      size_t __cnt = __size * __n;
      char *__cptr = (char *) __ptr;
      if (__cnt == 0)
	return 0;

for (; __cnt > 0; --__cnt)
	{
	  int __c = _IO_getc_unlocked (__stream);
	  if (__c == EOF)
	    break;
	  *__cptr++ = __c;
	}
      return (__cptr - (char *) __ptr) / __size;
    }
# endif
  return __fread_unlocked_alias (__ptr, __size, __n, __stream);
}
#endif

cmd: