FM / sys

/usr/include/sys

Name	Size	Mode	Actions
platform/	-	0755	rm
acct.h	3302	0644	edit dl rm
auxv.h	1260	0644	edit dl rm
bitypes.h	86	0644	edit dl rm
cdefs.h	26257	0644	edit dl rm
debugreg.h	3576	0644	edit dl rm
dir.h	922	0644	edit dl rm
elf.h	1024	0644	edit dl rm
epoll.h	5076	0644	edit dl rm
errno.h	19	0644	edit dl rm
eventfd.h	1400	0644	edit dl rm
fanotify.h	1292	0644	edit dl rm
fcntl.h	19	0644	edit dl rm
file.h	1675	0644	edit dl rm
fsuid.h	1188	0644	edit dl rm
gmon.h	6230	0644	edit dl rm
gmon_out.h	2636	0644	edit dl rm
inotify.h	3901	0644	edit dl rm
io.h	5086	0644	edit dl rm
ioctl.h	2027	0644	edit dl rm
ipc.h	1462	0644	edit dl rm
kd.h	1112	0644	edit dl rm
klog.h	1204	0644	edit dl rm
mman.h	5552	0644	edit dl rm
mount.h	5706	0644	edit dl rm
msg.h	2623	0644	edit dl rm
mtio.h	11163	0644	edit dl rm
param.h	3149	0644	edit dl rm
pci.h	923	0644	edit dl rm
perm.h	1127	0644	edit dl rm
personality.h	2723	0644	edit dl rm
poll.h	3025	0644	edit dl rm
prctl.h	1795	0644	edit dl rm
procfs.h	4338	0644	edit dl rm
profil.h	1959	0644	edit dl rm
ptrace.h	6126	0644	edit dl rm
queue.h	19539	0644	edit dl rm
quota.h	5173	0644	edit dl rm
random.h	1471	0644	edit dl rm
raw.h	1182	0644	edit dl rm
reboot.h	1633	0644	edit dl rm
reg.h	1827	0644	edit dl rm
resource.h	4034	0644	edit dl rm
rseq.h	6405	0644	edit dl rm
select.h	5039	0644	edit dl rm
sem.h	2660	0644	edit dl rm
sendfile.h	1806	0644	edit dl rm
shm.h	2131	0644	edit dl rm
signal.h	20	0644	edit dl rm
signalfd.h	1714	0644	edit dl rm
single_threaded.h	1182	0644	edit dl rm
socket.h	12382	0644	edit dl rm
socketvar.h	141	0644	edit dl rm
soundcard.h	29	0644	edit dl rm
stat.h	13735	0644	edit dl rm
statfs.h	2094	0644	edit dl rm
statvfs.h	2821	0644	edit dl rm
swap.h	1593	0644	edit dl rm
syscall.h	1256	0644	edit dl rm
sysinfo.h	1518	0644	edit dl rm
syslog.h	7786	0644	edit dl rm
sysmacros.h	2103	0644	edit dl rm
termios.h	74	0644	edit dl rm
time.h	9139	0644	edit dl rm
timeb.h	1155	0644	edit dl rm
timerfd.h	2583	0644	edit dl rm
times.h	1597	0644	edit dl rm
timex.h	2839	0644	edit dl rm
ttychars.h	2499	0644	edit dl rm
ttydefaults.h	3568	0644	edit dl rm
types.h	5713	0644	edit dl rm
ucontext.h	5842	0644	edit dl rm
uio.h	6796	0644	edit dl rm
un.h	1453	0644	edit dl rm
unistd.h	20	0644	edit dl rm
user.h	5208	0644	edit dl rm
utsname.h	2481	0644	edit dl rm
vfs.h	161	0644	edit dl rm
vlimit.h	1880	0644	edit dl rm
vm86.h	1199	0644	edit dl rm
vt.h	22	0644	edit dl rm
wait.h	6233	0644	edit dl rm
xattr.h	4275	0644	edit dl rm

Edit: /usr/include/sys/mman.h (5552B)

/* Definitions for BSD-style memory management.
   Copyright (C) 1994-2021 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/>.  */

#ifndef	_SYS_MMAN_H
#define	_SYS_MMAN_H	1

#include <features.h>
#include <bits/types.h>
#define __need_size_t
#include <stddef.h>

#ifndef __off_t_defined
# ifndef __USE_FILE_OFFSET64
typedef __off_t off_t;
# else
typedef __off64_t off_t;
# endif
# define __off_t_defined
#endif

#ifndef __mode_t_defined
typedef __mode_t mode_t;
# define __mode_t_defined
#endif

#include <bits/mman.h>

/* Return value of `mmap' in case of an error.  */
#define MAP_FAILED	((void *) -1)

__BEGIN_DECLS
/* Map addresses starting near ADDR and extending for LEN bytes.  from
   OFFSET into the file FD describes according to PROT and FLAGS.  If ADDR
   is nonzero, it is the desired mapping address.  If the MAP_FIXED bit is
   set in FLAGS, the mapping will be at ADDR exactly (which must be
   page-aligned); otherwise the system chooses a convenient nearby address.
   The return value is the actual mapping address chosen or MAP_FAILED
   for errors (in which case `errno' is set).  A successful `mmap' call
   deallocates any previous mapping for the affected region.  */

#ifndef __USE_FILE_OFFSET64
extern void *mmap (void *__addr, size_t __len, int __prot,
		   int __flags, int __fd, __off_t __offset) __THROW;
#else
# ifdef __REDIRECT_NTH
extern void * __REDIRECT_NTH (mmap,
			      (void *__addr, size_t __len, int __prot,
			       int __flags, int __fd, __off64_t __offset),
			      mmap64);
# else
#  define mmap mmap64
# endif
#endif
#ifdef __USE_LARGEFILE64
extern void *mmap64 (void *__addr, size_t __len, int __prot,
		     int __flags, int __fd, __off64_t __offset) __THROW;
#endif

/* Deallocate any mapping for the region starting at ADDR and extending LEN
   bytes.  Returns 0 if successful, -1 for errors (and sets errno).  */
extern int munmap (void *__addr, size_t __len) __THROW;

/* Change the memory protection of the region starting at ADDR and
   extending LEN bytes to PROT.  Returns 0 if successful, -1 for errors
   (and sets errno).  */
extern int mprotect (void *__addr, size_t __len, int __prot) __THROW;

/* Synchronize the region starting at ADDR and extending LEN bytes with the
   file it maps.  Filesystem operations on a file being mapped are
   unpredictable before this is done.  Flags are from the MS_* set.

This function is a cancellation point and therefore not marked with
   __THROW.  */
extern int msync (void *__addr, size_t __len, int __flags);

#ifdef __USE_MISC
/* Advise the system about particular usage patterns the program follows
   for the region starting at ADDR and extending LEN bytes.  */
extern int madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif
#ifdef __USE_XOPEN2K
/* This is the POSIX name for this function.  */
extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif

/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
   be memory resident.  */
extern int mlock (const void *__addr, size_t __len) __THROW;

/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN).  */
extern int munlock (const void *__addr, size_t __len) __THROW;

/* Cause all currently mapped pages of the process to be memory resident
   until unlocked by a call to the `munlockall', until the process exits,
   or until the process calls `execve'.  */
extern int mlockall (int __flags) __THROW;

/* All currently mapped pages of the process' address space become
   unlocked.  */
extern int munlockall (void) __THROW;

#ifdef __USE_MISC
/* mincore returns the memory residency status of the pages in the
   current process's address space specified by [start, start + len).
   The status is returned in a vector of bytes.  The least significant
   bit of each byte is 1 if the referenced page is in memory, otherwise
   it is zero.  */
extern int mincore (void *__start, size_t __len, unsigned char *__vec)
     __THROW;
#endif

#ifdef __USE_GNU
/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length
   NEW_LEN.  If MREMAP_MAYMOVE is set in FLAGS the returned address
   may differ from ADDR.  If MREMAP_FIXED is set in FLAGS the function
   takes another parameter which is a fixed address at which the block
   resides after a successful call.  */
extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
		     int __flags, ...) __THROW;

/* Remap arbitrary pages of a shared backing store within an existing
   VMA.  */
extern int remap_file_pages (void *__start, size_t __size, int __prot,
			     size_t __pgoff, int __flags) __THROW;
#endif

/* Open shared memory segment.  */
extern int shm_open (const char *__name, int __oflag, mode_t __mode);

/* Remove shared memory segment.  */
extern int shm_unlink (const char *__name);

__END_DECLS

#endif	/* sys/mman.h */

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