FM / sys

/usr/include/sys

Name	Size	Mode	Actions
acct.h	3296	0644	edit dl rm
auxv.h	1259	0644	edit dl rm
bitypes.h	86	0644	edit dl rm
capability.h	7233	0644	edit dl rm
cdefs.h	20682	0644	edit dl rm
debugreg.h	3575	0644	edit dl rm
dir.h	921	0644	edit dl rm
elf.h	1023	0644	edit dl rm
epoll.h	4410	0644	edit dl rm
errno.h	19	0644	edit dl rm
eventfd.h	1399	0644	edit dl rm
fanotify.h	1291	0644	edit dl rm
fcntl.h	19	0644	edit dl rm
file.h	1674	0644	edit dl rm
fsuid.h	1187	0644	edit dl rm
gmon.h	6230	0644	edit dl rm
gmon_out.h	2635	0644	edit dl rm
inotify.h	3837	0644	edit dl rm
io.h	5085	0644	edit dl rm
ioctl.h	1739	0644	edit dl rm
ipc.h	1461	0644	edit dl rm
kd.h	1111	0644	edit dl rm
klog.h	1203	0644	edit dl rm
mman.h	5551	0644	edit dl rm
mount.h	5611	0644	edit dl rm
msg.h	2365	0644	edit dl rm
mtio.h	11162	0644	edit dl rm
param.h	3148	0644	edit dl rm
pci.h	922	0644	edit dl rm
perm.h	1126	0644	edit dl rm
personality.h	2722	0644	edit dl rm
poll.h	2549	0644	edit dl rm
prctl.h	1058	0644	edit dl rm
procfs.h	4985	0644	edit dl rm
profil.h	1958	0644	edit dl rm
psx_syscall.h	2833	0644	edit dl rm
ptrace.h	5988	0644	edit dl rm
queue.h	19539	0644	edit dl rm
quota.h	5172	0644	edit dl rm
random.h	1443	0644	edit dl rm
raw.h	1181	0644	edit dl rm
reboot.h	1632	0644	edit dl rm
reg.h	1826	0644	edit dl rm
resource.h	3645	0644	edit dl rm
sdt-config.h	276	0644	edit dl rm
sdt.h	22157	0644	edit dl rm
select.h	4140	0644	edit dl rm
sem.h	2036	0644	edit dl rm
sendfile.h	1805	0644	edit dl rm
shm.h	1873	0644	edit dl rm
signal.h	20	0644	edit dl rm
signalfd.h	1599	0644	edit dl rm
socket.h	10203	0644	edit dl rm
socketvar.h	141	0644	edit dl rm
soundcard.h	29	0644	edit dl rm
stat.h	16236	0644	edit dl rm
statfs.h	2093	0644	edit dl rm
statvfs.h	2819	0644	edit dl rm
swap.h	1592	0644	edit dl rm
syscall.h	1335	0644	edit dl rm
sysctl.h	2004	0644	edit dl rm
sysinfo.h	1517	0644	edit dl rm
syslog.h	7702	0644	edit dl rm
sysmacros.h	2102	0644	edit dl rm
termios.h	74	0644	edit dl rm
time.h	6656	0644	edit dl rm
timeb.h	1376	0644	edit dl rm
timerfd.h	1873	0644	edit dl rm
times.h	1596	0644	edit dl rm
timex.h	2205	0644	edit dl rm
ttychars.h	2499	0644	edit dl rm
ttydefaults.h	3568	0644	edit dl rm
types.h	5712	0644	edit dl rm
ucontext.h	5841	0644	edit dl rm
uio.h	6279	0644	edit dl rm
un.h	1452	0644	edit dl rm
unistd.h	20	0644	edit dl rm
user.h	5207	0644	edit dl rm
utsname.h	2480	0644	edit dl rm
vfs.h	161	0644	edit dl rm
vlimit.h	1879	0644	edit dl rm
vm86.h	1198	0644	edit dl rm
vt.h	22	0644	edit dl rm
vtimes.h	2462	0644	edit dl rm
wait.h	5604	0644	edit dl rm
xattr.h	4274	0644	edit dl rm

Edit: /usr/include/sys/mman.h (5551B)

/* Definitions for BSD-style memory management.
   Copyright (C) 1994-2018 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	_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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