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: / usr / include / sys /
Filename : syscall.h
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/* Copyright (C) 1995-2018 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 _SYSCALL_H
#define _SYSCALL_H	1

/* This file should list the numbers of the system calls the system knows.
   But instead of duplicating this we use the information available
   from the kernel sources.  */
#include <asm/unistd.h>

#ifndef _LIBC
/* The Linux kernel header file defines macros `__NR_<name>', but some
   programs expect the traditional form `SYS_<name>'.  So in building libc
   we scan the kernel's list and produce <bits/syscall.h> with macros for
   all the `SYS_' names.  */
# include <bits/syscall.h>
#endif

#endif