golden hour

/usr/include/bits

File/Folder	Size	Actions
a.out.h	268 B
byteswap-16.h	1.69 KB
byteswap.h	5.56 KB
cmathcalls.h	4.7 KB
confname.h	23.19 KB
dirent.h	1.69 KB
dlfcn.h	2.47 KB
elfclass.h	426 B
endian.h	176 B
environments.h	3.5 KB
epoll.h	1.11 KB
errno.h	2.11 KB
error.h	2.62 KB
eventfd.h	1.1 KB
fcntl-linux.h	12.55 KB
fcntl.h	2.19 KB
fcntl2.h	5.44 KB
fenv.h	3.94 KB
fenvinline.h	190 B
huge_val.h	1.83 KB
huge_valf.h	1.79 KB
huge_vall.h	1.57 KB
hwcap.h	966 B
in.h	9.01 KB
inf.h	1.03 KB
initspin.h	25 B
inotify.h	1.05 KB
ioctl-types.h	2.41 KB
ioctls.h	4.38 KB
ipc.h	2.01 KB
ipctypes.h	1.14 KB
libc-lock.h	12.54 KB
libio-ldbl.h	1014 B
link.h	4.2 KB
local_lim.h	3.13 KB
locale.h	1.33 KB
math-finite.h	14.24 KB
mathcalls.h	11.3 KB
mathdef.h	2.14 KB
mathinline.h	30.86 KB
mman.h	4.78 KB
monetary-ldbl.h	1.02 KB
mqueue.h	1.22 KB
mqueue2.h	2.11 KB
msq.h	2.47 KB
nan.h	1.54 KB
netdb.h	1.25 KB
param.h	1.4 KB
poll.h	2.04 KB
poll2.h	2.86 KB
posix1_lim.h	4.81 KB
posix2_lim.h	2.82 KB
posix_opt.h	5.65 KB
printf-ldbl.h	986 B
pthreadtypes.h	6.33 KB
resource.h	9.21 KB
sched.h	7.37 KB
select.h	2.08 KB
select2.h	1.4 KB
sem.h	2.53 KB
semaphore.h	1.21 KB
setjmp.h	1.26 KB
setjmp2.h	1.67 KB
shm.h	3.44 KB
sigaction.h	2.79 KB
sigcontext.h	4.08 KB
siginfo.h	9.81 KB
signalfd.h	1.04 KB
signum.h	3.34 KB
sigset.h	4.48 KB
sigstack.h	1.49 KB
sigthread.h	1.64 KB
sockaddr.h	1.5 KB
socket.h	12.6 KB
socket2.h	2.95 KB
socket_type.h	2.16 KB
stab.def	8.82 KB
stat.h	7.46 KB
statfs.h	1.89 KB
statvfs.h	3.34 KB
stdio-ldbl.h	3.11 KB
stdio-lock.h	2.14 KB
stdio.h	5.45 KB
stdio2.h	12.36 KB
stdio_lim.h	1.34 KB
stdlib-float.h	1.12 KB
stdlib-ldbl.h	1.36 KB
stdlib.h	5.53 KB
string.h	56.48 KB
string2.h	46.08 KB
string3.h	4.38 KB
sys_errlist.h	1.19 KB
syscall.h	43.03 KB
sysctl.h	893 B
syslog-ldbl.h	1.17 KB
syslog-path.h	1.03 KB
syslog.h	1.66 KB
termios.h	5.23 KB
time.h	3.35 KB
timerfd.h	1.08 KB
timex.h	4.36 KB
types.h	7.55 KB
typesizes.h	3.15 KB
uio.h	2.42 KB
unistd.h	13.07 KB
ustat.h	1.06 KB
utmp.h	3.87 KB
utmpx.h	3.38 KB
utsname.h	1.19 KB
waitflags.h	1.61 KB
waitstatus.h	3.49 KB
wchar-ldbl.h	2.45 KB
wchar.h	1.11 KB
wchar2.h	20.04 KB
wordsize.h	327 B
xopen_lim.h	3.68 KB

Edit: unistd.h

/* Checking macros for unistd functions.
   Copyright (C) 2005, 2006, 2007, 2008, 2012 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, see
   <http://www.gnu.org/licenses/>.  */

#ifndef _UNISTD_H
# error "Never include <bits/unistd.h> directly; use <unistd.h> instead."
#endif

extern ssize_t __read_chk (int __fd, void *__buf, size_t __nbytes,
			   size_t __buflen) __wur;
extern ssize_t __REDIRECT (__read_alias, (int __fd, void *__buf,
					  size_t __nbytes), read) __wur;
extern ssize_t __REDIRECT (__read_chk_warn,
			   (int __fd, void *__buf, size_t __nbytes,
			    size_t __buflen), __read_chk)
     __wur __warnattr ("read called with bigger length than size of "
		       "the destination buffer");

__fortify_function __wur ssize_t
read (int __fd, void *__buf, size_t __nbytes)
{
  if (__bos0 (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__nbytes))
	return __read_chk (__fd, __buf, __nbytes, __bos0 (__buf));

if (__nbytes > __bos0 (__buf))
	return __read_chk_warn (__fd, __buf, __nbytes, __bos0 (__buf));
    }
  return __read_alias (__fd, __buf, __nbytes);
}

#ifdef __USE_UNIX98
extern ssize_t __pread_chk (int __fd, void *__buf, size_t __nbytes,
			    __off_t __offset, size_t __bufsize) __wur;
extern ssize_t __pread64_chk (int __fd, void *__buf, size_t __nbytes,
			      __off64_t __offset, size_t __bufsize) __wur;
extern ssize_t __REDIRECT (__pread_alias,
			   (int __fd, void *__buf, size_t __nbytes,
			    __off_t __offset), pread) __wur;
extern ssize_t __REDIRECT (__pread64_alias,
			   (int __fd, void *__buf, size_t __nbytes,
			    __off64_t __offset), pread64) __wur;
extern ssize_t __REDIRECT (__pread_chk_warn,
			   (int __fd, void *__buf, size_t __nbytes,
			    __off_t __offset, size_t __bufsize), __pread_chk)
     __wur __warnattr ("pread called with bigger length than size of "
		       "the destination buffer");
extern ssize_t __REDIRECT (__pread64_chk_warn,
			   (int __fd, void *__buf, size_t __nbytes,
			    __off64_t __offset, size_t __bufsize),
			    __pread64_chk)
     __wur __warnattr ("pread64 called with bigger length than size of "
		       "the destination buffer");

# ifndef __USE_FILE_OFFSET64
__fortify_function __wur ssize_t
pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
{
  if (__bos0 (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__nbytes))
	return __pread_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));

if ( __nbytes > __bos0 (__buf))
	return __pread_chk_warn (__fd, __buf, __nbytes, __offset,
				 __bos0 (__buf));
    }
  return __pread_alias (__fd, __buf, __nbytes, __offset);
}
# else
__fortify_function __wur ssize_t
pread (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
{
  if (__bos0 (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__nbytes))
	return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));

if ( __nbytes > __bos0 (__buf))
	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
				   __bos0 (__buf));
    }

return __pread64_alias (__fd, __buf, __nbytes, __offset);
}
# endif

# ifdef __USE_LARGEFILE64
__fortify_function __wur ssize_t
pread64 (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
{
  if (__bos0 (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__nbytes))
	return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));

if ( __nbytes > __bos0 (__buf))
	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
				   __bos0 (__buf));
    }

return __pread64_alias (__fd, __buf, __nbytes, __offset);
}
# endif
#endif

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K
extern ssize_t __readlink_chk (const char *__restrict __path,
			       char *__restrict __buf, size_t __len,
			       size_t __buflen)
     __THROW __nonnull ((1, 2)) __wur;
extern ssize_t __REDIRECT_NTH (__readlink_alias,
			       (const char *__restrict __path,
				char *__restrict __buf, size_t __len), readlink)
     __nonnull ((1, 2)) __wur;
extern ssize_t __REDIRECT_NTH (__readlink_chk_warn,
			       (const char *__restrict __path,
				char *__restrict __buf, size_t __len,
				size_t __buflen), __readlink_chk)
     __nonnull ((1, 2)) __wur __warnattr ("readlink called with bigger length "
					  "than size of destination buffer");

__fortify_function __nonnull ((1, 2)) __wur ssize_t
__NTH (readlink (const char *__restrict __path, char *__restrict __buf,
		 size_t __len))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__len))
	return __readlink_chk (__path, __buf, __len, __bos (__buf));

if ( __len > __bos (__buf))
	return __readlink_chk_warn (__path, __buf, __len, __bos (__buf));
    }
  return __readlink_alias (__path, __buf, __len);
}
#endif

#ifdef __USE_ATFILE
extern ssize_t __readlinkat_chk (int __fd, const char *__restrict __path,
				 char *__restrict __buf, size_t __len,
				 size_t __buflen)
     __THROW __nonnull ((2, 3)) __wur;
extern ssize_t __REDIRECT_NTH (__readlinkat_alias,
			       (int __fd, const char *__restrict __path,
				char *__restrict __buf, size_t __len),
			       readlinkat)
     __nonnull ((2, 3)) __wur;
extern ssize_t __REDIRECT_NTH (__readlinkat_chk_warn,
			       (int __fd, const char *__restrict __path,
				char *__restrict __buf, size_t __len,
				size_t __buflen), __readlinkat_chk)
     __nonnull ((2, 3)) __wur __warnattr ("readlinkat called with bigger "
					  "length than size of destination "
					  "buffer");

__fortify_function __nonnull ((2, 3)) __wur ssize_t
__NTH (readlinkat (int __fd, const char *__restrict __path,
		   char *__restrict __buf, size_t __len))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__len))
	return __readlinkat_chk (__fd, __path, __buf, __len, __bos (__buf));

if (__len > __bos (__buf))
	return __readlinkat_chk_warn (__fd, __path, __buf, __len,
				      __bos (__buf));
    }
  return __readlinkat_alias (__fd, __path, __buf, __len);
}
#endif

extern char *__getcwd_chk (char *__buf, size_t __size, size_t __buflen)
     __THROW __wur;
extern char *__REDIRECT_NTH (__getcwd_alias,
			     (char *__buf, size_t __size), getcwd) __wur;
extern char *__REDIRECT_NTH (__getcwd_chk_warn,
			     (char *__buf, size_t __size, size_t __buflen),
			     __getcwd_chk)
     __wur __warnattr ("getcwd caller with bigger length than size of "
		       "destination buffer");

__fortify_function __wur char *
__NTH (getcwd (char *__buf, size_t __size))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size))
	return __getcwd_chk (__buf, __size, __bos (__buf));

if (__size > __bos (__buf))
	return __getcwd_chk_warn (__buf, __size, __bos (__buf));
    }
  return __getcwd_alias (__buf, __size);
}

#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
extern char *__getwd_chk (char *__buf, size_t buflen)
     __THROW __nonnull ((1)) __wur;
extern char *__REDIRECT_NTH (__getwd_warn, (char *__buf), getwd)
     __nonnull ((1)) __wur __warnattr ("please use getcwd instead, as getwd "
				       "doesn't specify buffer size");

__fortify_function __nonnull ((1)) __attribute_deprecated__ __wur char *
__NTH (getwd (char *__buf))
{
  if (__bos (__buf) != (size_t) -1)
    return __getwd_chk (__buf, __bos (__buf));
  return __getwd_warn (__buf);
}
#endif

extern size_t __confstr_chk (int __name, char *__buf, size_t __len,
			     size_t __buflen) __THROW;
extern size_t __REDIRECT_NTH (__confstr_alias, (int __name, char *__buf,
						size_t __len), confstr);
extern size_t __REDIRECT_NTH (__confstr_chk_warn,
			      (int __name, char *__buf, size_t __len,
			       size_t __buflen), __confstr_chk)
     __warnattr ("confstr called with bigger length than size of destination "
		 "buffer");

__fortify_function size_t
__NTH (confstr (int __name, char *__buf, size_t __len))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__len))
	return __confstr_chk (__name, __buf, __len, __bos (__buf));

if (__bos (__buf) < __len)
	return __confstr_chk_warn (__name, __buf, __len, __bos (__buf));
    }
  return __confstr_alias (__name, __buf, __len);
}

extern int __getgroups_chk (int __size, __gid_t __list[], size_t __listlen)
     __THROW __wur;
extern int __REDIRECT_NTH (__getgroups_alias, (int __size, __gid_t __list[]),
			   getgroups) __wur;
extern int __REDIRECT_NTH (__getgroups_chk_warn,
			   (int __size, __gid_t __list[], size_t __listlen),
			   __getgroups_chk)
     __wur __warnattr ("getgroups called with bigger group count than what "
		       "can fit into destination buffer");

__fortify_function int
__NTH (getgroups (int __size, __gid_t __list[]))
{
  if (__bos (__list) != (size_t) -1)
    {
      if (!__builtin_constant_p (__size) || __size < 0)
	return __getgroups_chk (__size, __list, __bos (__list));

if (__size * sizeof (__gid_t) > __bos (__list))
	return __getgroups_chk_warn (__size, __list, __bos (__list));
    }
  return __getgroups_alias (__size, __list);
}

extern int __ttyname_r_chk (int __fd, char *__buf, size_t __buflen,
			    size_t __nreal) __THROW __nonnull ((2));
extern int __REDIRECT_NTH (__ttyname_r_alias, (int __fd, char *__buf,
					       size_t __buflen), ttyname_r)
     __nonnull ((2));
extern int __REDIRECT_NTH (__ttyname_r_chk_warn,
			   (int __fd, char *__buf, size_t __buflen,
			    size_t __nreal), __ttyname_r_chk)
     __nonnull ((2)) __warnattr ("ttyname_r called with bigger buflen than "
				 "size of destination buffer");

__fortify_function int
__NTH (ttyname_r (int __fd, char *__buf, size_t __buflen))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__buflen))
	return __ttyname_r_chk (__fd, __buf, __buflen, __bos (__buf));

if (__buflen > __bos (__buf))
	return __ttyname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf));
    }
  return __ttyname_r_alias (__fd, __buf, __buflen);
}

#if defined __USE_REENTRANT || defined __USE_POSIX199506
extern int __getlogin_r_chk (char *__buf, size_t __buflen, size_t __nreal)
     __nonnull ((1));
extern int __REDIRECT (__getlogin_r_alias, (char *__buf, size_t __buflen),
		       getlogin_r) __nonnull ((1));
extern int __REDIRECT (__getlogin_r_chk_warn,
		       (char *__buf, size_t __buflen, size_t __nreal),
		       __getlogin_r_chk)
     __nonnull ((1)) __warnattr ("getlogin_r called with bigger buflen than "
				 "size of destination buffer");

__fortify_function int
getlogin_r (char *__buf, size_t __buflen)
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__buflen))
	return __getlogin_r_chk (__buf, __buflen, __bos (__buf));

if (__buflen > __bos (__buf))
	return __getlogin_r_chk_warn (__buf, __buflen, __bos (__buf));
    }
  return __getlogin_r_alias (__buf, __buflen);
}
#endif

#if defined __USE_BSD || defined __USE_UNIX98
extern int __gethostname_chk (char *__buf, size_t __buflen, size_t __nreal)
     __THROW __nonnull ((1));
extern int __REDIRECT_NTH (__gethostname_alias, (char *__buf, size_t __buflen),
			   gethostname) __nonnull ((1));
extern int __REDIRECT_NTH (__gethostname_chk_warn,
			   (char *__buf, size_t __buflen, size_t __nreal),
			   __gethostname_chk)
     __nonnull ((1)) __warnattr ("gethostname called with bigger buflen than "
				 "size of destination buffer");

__fortify_function int
__NTH (gethostname (char *__buf, size_t __buflen))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__buflen))
	return __gethostname_chk (__buf, __buflen, __bos (__buf));

if (__buflen > __bos (__buf))
	return __gethostname_chk_warn (__buf, __buflen, __bos (__buf));
    }
  return __gethostname_alias (__buf, __buflen);
}
#endif

#if defined __USE_BSD || (defined __USE_XOPEN && !defined __USE_UNIX98)
extern int __getdomainname_chk (char *__buf, size_t __buflen, size_t __nreal)
     __THROW __nonnull ((1)) __wur;
extern int __REDIRECT_NTH (__getdomainname_alias, (char *__buf,
						   size_t __buflen),
			   getdomainname) __nonnull ((1)) __wur;
extern int __REDIRECT_NTH (__getdomainname_chk_warn,
			   (char *__buf, size_t __buflen, size_t __nreal),
			   __getdomainname_chk)
     __nonnull ((1)) __wur __warnattr ("getdomainname called with bigger "
				       "buflen than size of destination "
				       "buffer");

__fortify_function int
__NTH (getdomainname (char *__buf, size_t __buflen))
{
  if (__bos (__buf) != (size_t) -1)
    {
      if (!__builtin_constant_p (__buflen))
	return __getdomainname_chk (__buf, __buflen, __bos (__buf));

if (__buflen > __bos (__buf))
	return __getdomainname_chk_warn (__buf, __buflen, __bos (__buf));
    }
  return __getdomainname_alias (__buf, __buflen);
}
#endif