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NetBSD/include/unistd.h

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/* $NetBSD: unistd.h,v 1.112 2007/08/02 21:49:10 kristerw Exp $ */
/*-
* Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)unistd.h 8.12 (Berkeley) 4/27/95
*/
#ifndef _UNISTD_H_
#define _UNISTD_H_
#include <machine/ansi.h>
#include <machine/int_types.h>
#include <sys/cdefs.h>
#include <sys/featuretest.h>
#include <sys/types.h>
#include <sys/unistd.h>
/*
* IEEE Std 1003.1-90
*/
#define STDIN_FILENO 0 /* standard input file descriptor */
#define STDOUT_FILENO 1 /* standard output file descriptor */
#define STDERR_FILENO 2 /* standard error file descriptor */
#include <sys/null.h>
__BEGIN_DECLS
__dead void _exit(int) __attribute__((__noreturn__));
int access(const char *, int);
unsigned int alarm(unsigned int);
int chdir(const char *);
#if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE)
int chown(const char *, uid_t, gid_t) __RENAME(__posix_chown);
#else
int chown(const char *, uid_t, gid_t);
#endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */
int close(int);
size_t confstr(int, char *, size_t);
#ifndef __CUSERID_DECLARED
#define __CUSERID_DECLARED
/* also declared in stdio.h */
char *cuserid(char *); /* obsolete */
#endif /* __CUSERID_DECLARED */
int dup(int);
int dup2(int, int);
int execl(const char *, const char *, ...);
int execle(const char *, const char *, ...);
int execlp(const char *, const char *, ...);
int execv(const char *, char * const *);
int execve(const char *, char * const *, char * const *);
int execvp(const char *, char * const *);
pid_t fork(void);
long fpathconf(int, int);
char *getcwd(char *, size_t);
gid_t getegid(void);
uid_t geteuid(void);
gid_t getgid(void);
int getgroups(int, gid_t []);
__aconst char *getlogin(void);
pid_t getpgrp(void);
pid_t getpid(void);
pid_t getppid(void);
uid_t getuid(void);
int isatty(int);
int link(const char *, const char *);
long pathconf(const char *, int);
int pause(void);
int pipe(int *);
ssize_t read(int, void *, size_t);
int rmdir(const char *);
int setgid(gid_t);
int setpgid(pid_t, pid_t);
pid_t setsid(void);
int setuid(uid_t);
unsigned int sleep(unsigned int);
long sysconf(int);
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);
__aconst char *ttyname(int);
int unlink(const char *);
ssize_t write(int, const void *, size_t);
/*
* IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later
*/
#if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 || \
defined(_NETBSD_SOURCE)
int getopt(int, char * const [], const char *);
extern char *optarg; /* getopt(3) external variables */
extern int opterr;
extern int optind;
extern int optopt;
#endif
/*
* The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
*/
#if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \
defined(_NETBSD_SOURCE)
int setegid(gid_t);
int seteuid(uid_t);
#endif
/*
* The following three syscalls are also defined in <sys/types.h>
* We protect them against double declarations.
*/
#ifndef __OFF_T_SYSCALLS_DECLARED
#define __OFF_T_SYSCALLS_DECLARED
off_t lseek(int, off_t, int);
int truncate(const char *, off_t);
/*
* IEEE Std 1003.1b-93,
* also found in X/Open Portability Guide >= Issue 4 Verion 2
*/
#if (_POSIX_C_SOURCE - 0) >= 199309L || \
(defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
int ftruncate(int, off_t);
#endif
#endif /* __OFF_T_SYSCALLS_DECLARED */
/*
* IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2
*/
#if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_NETBSD_SOURCE)
int fdatasync(int);
int fsync(int);
#endif
/*
* IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
*/
#if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
defined(_REENTRANT) || defined(_NETBSD_SOURCE)
int ttyname_r(int, char *, size_t);
#endif
/*
* X/Open Portability Guide, all issues
*/
#if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE)
int chroot(const char *);
int nice(int);
#endif
/*
* X/Open Portability Guide <= Issue 3
*/
#if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3
int rename(const char *, const char *) __RENAME(__posix_rename);
#endif
/*
* X/Open Portability Guide >= Issue 4
*/
#if (_XOPEN_SOURCE - 0) >= 4 || defined(_NETBSD_SOURCE)
__aconst char *crypt(const char *, const char *);
int encrypt(char *, int);
char *getpass(const char *);
pid_t getsid(pid_t);
#endif
/*
* X/Open Portability Guide >= Issue 4 Version 2
*/
#if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
(_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
#ifndef intptr_t
typedef __intptr_t intptr_t;
#define intptr_t __intptr_t
#endif
#define F_ULOCK 0
#define F_LOCK 1
#define F_TLOCK 2
#define F_TEST 3
int brk(void *);
int fchdir(int);
#if defined(_XOPEN_SOURCE)
int fchown(int, uid_t, gid_t) __RENAME(__posix_fchown);
#else
int fchown(int, uid_t, gid_t);
#endif
int getdtablesize(void);
long gethostid(void);
int gethostname(char *, size_t);
__pure int
getpagesize(void); /* legacy */
pid_t getpgid(pid_t);
#if defined(_XOPEN_SOURCE)
int lchown(const char *, uid_t, gid_t) __RENAME(__posix_lchown);
#else
int lchown(const char *, uid_t, gid_t);
#endif
int lockf(int, int, off_t);
ssize_t readlink(const char * __restrict, char * __restrict, size_t);
void *sbrk(intptr_t);
/* XXX prototype wrong! */
int setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */
int setregid(gid_t, gid_t);
int setreuid(uid_t, uid_t);
void swab(const void *, void *, size_t);
int symlink(const char *, const char *);
void sync(void);
useconds_t ualarm(useconds_t, useconds_t);
int usleep(useconds_t);
#ifndef __LIBC12_SOURCE__
pid_t vfork(void) __RENAME(__vfork14);
#endif
#ifndef __AUDIT__
char *getwd(char *); /* obsoleted by getcwd() */
#endif
#endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */
/*
* X/Open CAE Specification Issue 5 Version 2
*/
#if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE)
ssize_t pread(int, void *, size_t, off_t);
ssize_t pwrite(int, const void *, size_t, off_t);
#endif
/*
* Implementation-defined extensions
*/
#if defined(_NETBSD_SOURCE)
int acct(const char *);
int closefrom(int);
int des_cipher(const char *, char *, long, int);
int des_setkey(const char *);
void endusershell(void);
int exect(const char *, char * const *, char * const *);
int fchroot(int);
int fsync_range(int, int, off_t, off_t);
int getdomainname(char *, size_t);
int getgrouplist(const char *, gid_t, gid_t *, int *);
int getgroupmembership(const char *, gid_t, gid_t *, int, int *);
mode_t getmode(const void *, mode_t);
int getsubopt(char **, char * const *, char **);
__aconst char *getusershell(void);
int initgroups(const char *, gid_t);
int iruserok(uint32_t, int, const char *, const char *);
int issetugid(void);
int nfssvc(int, void *);
int profil(char *, size_t, u_long, u_int);
#ifndef __PSIGNAL_DECLARED
#define __PSIGNAL_DECLARED
/* also in signal.h */
void psignal(unsigned int, const char *);
#endif /* __PSIGNAL_DECLARED */
int rcmd(char **, int, const char *, const char *, const char *, int *);
int reboot(int, char *);
int revoke(const char *);
int rresvport(int *);
int ruserok(const char *, int, const char *, const char *);
int setdomainname(const char *, size_t);
int setgroups(int, const gid_t *);
int sethostid(long);
int sethostname(const char *, size_t);
int setlogin(const char *);
void *setmode(const char *);
int setrgid(gid_t);
int setruid(uid_t);
void setusershell(void);
void strmode(mode_t, char *);
__aconst char *strsignal(int);
int swapctl(int, void *, int);
int swapon(const char *); /* obsoleted by swapctl() */
int syscall(int, ...);
quad_t __syscall(quad_t, ...);
int undelete(const char *);
#if 1 /*INET6*/
int rcmd_af(char **, int, const char *,
const char *, const char *, int *, int);
int rresvport_af(int *, int);
int iruserok_sa(const void *, int, int, const char *, const char *);
#endif
#ifndef __SYS_SIGLIST_DECLARED
#define __SYS_SIGLIST_DECLARED
/* also in signal.h */
extern const char *const *sys_siglist __RENAME(__sys_siglist14);
#endif /* __SYS_SIGLIST_DECLARED */
extern int optreset; /* getopt(3) external variable */
extern char *suboptarg; /* getsubopt(3) external variable */
#endif
__END_DECLS
#if _FORTIFY_SOURCE > 0
#include <ssp/unistd.h>
#endif
#endif /* !_UNISTD_H_ */
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