FM / bits

/usr/include/bits

Name	Size	Mode	Actions
platform/	-	0755	rm
types/	-	0755	rm
a.out.h	268	0644	edit dl rm
argp-ldbl.h	1010	0644	edit dl rm
atomic_wide_counter.h	1283	0644	edit dl rm
byteswap.h	2450	0644	edit dl rm
cmathcalls.h	4139	0644	edit dl rm
confname.h	23828	0644	edit dl rm
cpu-set.h	4516	0644	edit dl rm
dirent.h	1771	0644	edit dl rm
dirent_ext.h	1275	0644	edit dl rm
dlfcn.h	2521	0644	edit dl rm
dl_find_object.h	1114	0644	edit dl rm
elfclass.h	426	0644	edit dl rm
endian.h	1905	0644	edit dl rm
endianness.h	273	0644	edit dl rm
environments.h	3791	0644	edit dl rm
epoll.h	1071	0644	edit dl rm
err-ldbl.h	1148	0644	edit dl rm
errno.h	1426	0644	edit dl rm
error-ldbl.h	1012	0644	edit dl rm
error.h	2684	0644	edit dl rm
eventfd.h	1129	0644	edit dl rm
fcntl-linux.h	14050	0644	edit dl rm
fcntl.h	2246	0644	edit dl rm
fcntl2.h	5575	0644	edit dl rm
fenv.h	3370	0644	edit dl rm
floatn-common.h	10325	0644	edit dl rm
floatn.h	4457	0644	edit dl rm
flt-eval-method.h	1215	0644	edit dl rm
fp-fast.h	1216	0644	edit dl rm
fp-logb.h	1012	0644	edit dl rm
getopt_core.h	3667	0644	edit dl rm
getopt_ext.h	3038	0644	edit dl rm
getopt_posix.h	1810	0644	edit dl rm
hwcap.h	972	0644	edit dl rm
in.h	9596	0644	edit dl rm
indirect-return.h	1591	0644	edit dl rm
inet-fortified-decl.h	1842	0644	edit dl rm
inet-fortified.h	1793	0644	edit dl rm
initspin.h	25	0644	edit dl rm
inotify.h	1080	0644	edit dl rm
ioctl-types.h	2456	0644	edit dl rm
ioctls.h	4478	0644	edit dl rm
ipc-perm.h	1745	0644	edit dl rm
ipc.h	1523	0644	edit dl rm
ipctypes.h	1176	0644	edit dl rm
iscanonical.h	2479	0644	edit dl rm
libc-header-start.h	4286	0644	edit dl rm
libm-simd-decl-stubs.h	3004	0644	edit dl rm
link.h	4286	0644	edit dl rm
link_lavcurrent.h	1099	0644	edit dl rm
locale.h	1368	0644	edit dl rm
local_lim.h	3176	0644	edit dl rm
long-double.h	970	0644	edit dl rm
math-vector.h	2308	0644	edit dl rm
mathcalls-helper-functions.h	1863	0644	edit dl rm
mathcalls-narrow.h	1312	0644	edit dl rm
mathcalls.h	13385	0644	edit dl rm
mathdef.h	891	0644	edit dl rm
mman-linux.h	5086	0644	edit dl rm
mman-map-flags-generic.h	1997	0644	edit dl rm
mman-shared.h	2841	0644	edit dl rm
mman.h	1363	0644	edit dl rm
monetary-ldbl.h	1047	0644	edit dl rm
mqueue.h	1246	0644	edit dl rm
mqueue2.h	2151	0644	edit dl rm
msq.h	1793	0644	edit dl rm
netdb.h	1264	0644	edit dl rm
param.h	1433	0644	edit dl rm
poll.h	2076	0644	edit dl rm
poll2.h	2666	0644	edit dl rm
posix1_lim.h	5198	0644	edit dl rm
posix2_lim.h	2867	0644	edit dl rm
posix_opt.h	5913	0644	edit dl rm
printf-ldbl.h	992	0644	edit dl rm
procfs-extra.h	963	0644	edit dl rm
procfs-id.h	1148	0644	edit dl rm
procfs-prregset.h	1050	0644	edit dl rm
procfs.h	2025	0644	edit dl rm
pthreadtypes-arch.h	1838	0644	edit dl rm
pthreadtypes.h	3072	0644	edit dl rm
pthread_stack_min-dynamic.h	1209	0644	edit dl rm
pthread_stack_min.h	946	0644	edit dl rm
ptrace-shared.h	4091	0644	edit dl rm
resource.h	6308	0644	edit dl rm
rseq.h	1243	0644	edit dl rm
sched.h	5673	0644	edit dl rm
select.h	1505	0644	edit dl rm
select2.h	1438	0644	edit dl rm
sem.h	2259	0644	edit dl rm
semaphore.h	1215	0644	edit dl rm
setjmp.h	1287	0644	edit dl rm
setjmp2.h	1705	0644	edit dl rm
shm.h	2766	0644	edit dl rm
shmlba.h	1106	0644	edit dl rm
sigaction.h	2935	0644	edit dl rm
sigcontext.h	4266	0644	edit dl rm
sigevent-consts.h	1471	0644	edit dl rm
siginfo-arch.h	729	0644	edit dl rm
siginfo-consts-arch.h	204	0644	edit dl rm
siginfo-consts.h	7036	0644	edit dl rm
signalfd.h	1067	0644	edit dl rm
signal_ext.h	1285	0644	edit dl rm
signum-arch.h	2580	0644	edit dl rm
signum-generic.h	3313	0644	edit dl rm
sigstack.h	1168	0644	edit dl rm
sigstksz.h	1278	0644	edit dl rm
sigthread.h	1692	0644	edit dl rm
sockaddr.h	1514	0644	edit dl rm
socket-constants.h	2497	0644	edit dl rm
socket.h	13554	0644	edit dl rm
socket2.h	3057	0644	edit dl rm
socket_type.h	2216	0644	edit dl rm
ss_flags.h	1188	0644	edit dl rm
stab.def	9040	0644	edit dl rm
stat.h	2231	0644	edit dl rm
statfs.h	1917	0644	edit dl rm
statvfs.h	3423	0644	edit dl rm
statx-generic.h	2187	0644	edit dl rm
statx.h	1400	0644	edit dl rm
stdint-intn.h	1037	0644	edit dl rm
stdint-uintn.h	1049	0644	edit dl rm
stdio-ldbl.h	3481	0644	edit dl rm
stdio.h	5599	0644	edit dl rm
stdio2-decl.h	4235	0644	edit dl rm
stdio2.h	10101	0644	edit dl rm
stdio_lim.h	1213	0644	edit dl rm
stdlib-bsearch.h	1557	0644	edit dl rm
stdlib-float.h	1115	0644	edit dl rm
stdlib-ldbl.h	2020	0644	edit dl rm
stdlib.h	5789	0644	edit dl rm
strings_fortified.h	1240	0644	edit dl rm
string_fortified.h	4345	0644	edit dl rm
struct_mutex.h	1810	0644	edit dl rm
struct_rwlock.h	2027	0644	edit dl rm
struct_stat.h	6190	0644	edit dl rm
struct_stat_time64_helper.h	2601	0644	edit dl rm
syscall.h	46524	0644	edit dl rm
syslog-ldbl.h	1204	0644	edit dl rm
syslog-path.h	1061	0644	edit dl rm
syslog.h	1969	0644	edit dl rm
sysmacros.h	2953	0644	edit dl rm
termios-baud.h	1824	0644	edit dl rm
termios-c_cc.h	1279	0644	edit dl rm
termios-c_cflag.h	1230	0644	edit dl rm
termios-c_iflag.h	1936	0644	edit dl rm
termios-c_lflag.h	2594	0644	edit dl rm
termios-c_oflag.h	2822	0644	edit dl rm
termios-misc.h	969	0644	edit dl rm
termios-struct.h	1433	0644	edit dl rm
termios-tcflow.h	1062	0644	edit dl rm
termios.h	2168	0644	edit dl rm
thread-shared-types.h	3927	0644	edit dl rm
time.h	3296	0644	edit dl rm
time64.h	1340	0644	edit dl rm
timerfd.h	1103	0644	edit dl rm
timesize.h	1081	0644	edit dl rm
timex.h	6198	0644	edit dl rm
types.h	8806	0644	edit dl rm
typesizes.h	3737	0644	edit dl rm
uintn-identity.h	1542	0644	edit dl rm
uio-ext.h	2086	0644	edit dl rm
uio_lim.h	1385	0644	edit dl rm
unistd.h	11653	0644	edit dl rm
unistd_ext.h	2538	0644	edit dl rm
utmp.h	4067	0644	edit dl rm
utmpx.h	3578	0644	edit dl rm
utsname.h	1213	0644	edit dl rm
waitflags.h	1697	0644	edit dl rm
waitstatus.h	2287	0644	edit dl rm
wchar-ldbl.h	3083	0644	edit dl rm
wchar.h	1906	0644	edit dl rm
wchar2-decl.h	4576	0644	edit dl rm
wchar2.h	14885	0644	edit dl rm
wctype-wchar.h	6307	0644	edit dl rm
wordsize.h	442	0644	edit dl rm
xopen_lim.h	3858	0644	edit dl rm

Edit: /usr/include/bits/posix1_lim.h (5198B)

/* Copyright (C) 1991-2021 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
   <https://www.gnu.org/licenses/>.  */

/*
 *	POSIX Standard: 2.9.2 Minimum Values	Added to <limits.h>
 *
 *	Never include this file directly; use <limits.h> instead.
 */

#ifndef	_BITS_POSIX1_LIM_H
#define	_BITS_POSIX1_LIM_H	1

#include <bits/wordsize.h>

/* These are the standard-mandated minimum values.  */

/* Minimum number of operations in one list I/O call.  */
#define _POSIX_AIO_LISTIO_MAX	2

/* Minimal number of outstanding asynchronous I/O operations.  */
#define _POSIX_AIO_MAX		1

/* Maximum length of arguments to `execve', including environment.  */
#define	_POSIX_ARG_MAX		4096

/* Maximum simultaneous processes per real user ID.  */
#ifdef __USE_XOPEN2K
# define _POSIX_CHILD_MAX	25
#else
# define _POSIX_CHILD_MAX	6
#endif

/* Minimal number of timer expiration overruns.  */
#define _POSIX_DELAYTIMER_MAX	32

/* Maximum length of a host name (not including the terminating null)
   as returned from the GETHOSTNAME function.  */
#define _POSIX_HOST_NAME_MAX	255

/* Maximum link count of a file.  */
#define	_POSIX_LINK_MAX		8

/* Maximum length of login name.  */
#define	_POSIX_LOGIN_NAME_MAX	9

/* Number of bytes in a terminal canonical input queue.  */
#define	_POSIX_MAX_CANON	255

/* Number of bytes for which space will be
   available in a terminal input queue.  */
#define	_POSIX_MAX_INPUT	255

/* Maximum number of message queues open for a process.  */
#define _POSIX_MQ_OPEN_MAX	8

/* Maximum number of supported message priorities.  */
#define _POSIX_MQ_PRIO_MAX	32

/* Number of bytes in a filename.  */
#define	_POSIX_NAME_MAX		14

/* Number of simultaneous supplementary group IDs per process.  */
#ifdef __USE_XOPEN2K
# define _POSIX_NGROUPS_MAX	8
#else
# define _POSIX_NGROUPS_MAX	0
#endif

/* Number of files one process can have open at once.  */
#ifdef __USE_XOPEN2K
# define _POSIX_OPEN_MAX	20
#else
# define _POSIX_OPEN_MAX	16
#endif

#if !defined __USE_XOPEN2K || defined __USE_GNU
/* Number of descriptors that a process may examine with `pselect' or
   `select'.  */
# define _POSIX_FD_SETSIZE	_POSIX_OPEN_MAX
#endif

/* Number of bytes in a pathname.  */
#define	_POSIX_PATH_MAX		256

/* Number of bytes than can be written atomically to a pipe.  */
#define	_POSIX_PIPE_BUF		512

/* The number of repeated occurrences of a BRE permitted by the
   REGEXEC and REGCOMP functions when using the interval notation.  */
#define _POSIX_RE_DUP_MAX	255

/* Minimal number of realtime signals reserved for the application.  */
#define _POSIX_RTSIG_MAX	8

/* Number of semaphores a process can have.  */
#define _POSIX_SEM_NSEMS_MAX	256

/* Maximal value of a semaphore.  */
#define _POSIX_SEM_VALUE_MAX	32767

/* Number of pending realtime signals.  */
#define _POSIX_SIGQUEUE_MAX	32

/* Largest value of a `ssize_t'.  */
#define	_POSIX_SSIZE_MAX	32767

/* Number of streams a process can have open at once.  */
#define	_POSIX_STREAM_MAX	8

/* The number of bytes in a symbolic link.  */
#define _POSIX_SYMLINK_MAX	255

/* The number of symbolic links that can be traversed in the
   resolution of a pathname in the absence of a loop.  */
#define _POSIX_SYMLOOP_MAX	8

/* Number of timer for a process.  */
#define _POSIX_TIMER_MAX	32

/* Maximum number of characters in a tty name.  */
#define	_POSIX_TTY_NAME_MAX	9

/* Maximum length of a time zone abbreviation (element of 'tzname').  */
#ifdef __USE_XOPEN2K
# define _POSIX_TZNAME_MAX	6
#else
# define _POSIX_TZNAME_MAX	3
#endif

#if !defined __USE_XOPEN2K || defined __USE_GNU
/* Maximum number of connections that can be queued on a socket.  */
# define _POSIX_QLIMIT		1

/* Maximum number of bytes that can be buffered on a socket for send
   or receive.  */
# define _POSIX_HIWAT		_POSIX_PIPE_BUF

/* Maximum number of elements in an `iovec' array.  */
# define _POSIX_UIO_MAXIOV	16
#endif

/* Maximum clock resolution in nanoseconds.  */
#define _POSIX_CLOCKRES_MIN	20000000

/* Get the implementation-specific values for the above.  */
#include <bits/local_lim.h>

#ifndef	SSIZE_MAX
/* ssize_t is not formally required to be the signed type
   corresponding to size_t, but it is for all configurations supported
   by glibc.  */
# if __WORDSIZE == 64 || __WORDSIZE32_SIZE_ULONG
#  define SSIZE_MAX	LONG_MAX
# else
#  define SSIZE_MAX	INT_MAX
# endif
#endif

/* This value is a guaranteed minimum maximum.
   The current maximum can be got from `sysconf'.  */

#ifndef	NGROUPS_MAX
# define NGROUPS_MAX	8
#endif

#endif	/* bits/posix1_lim.h  */

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