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/* $OpenBSD: unistd.h,v 1.70 2012/04/12 12:33:03 deraadt Exp $ */
/* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */
/*-
* Copyright (c) 1991 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 5.13 (Berkeley) 6/17/91
*/
#ifndef _UNISTD_H_
#define _UNISTD_H_
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/unistd.h>
#define STDIN_FILENO 0 /* standard input file descriptor */
#define STDOUT_FILENO 1 /* standard output file descriptor */
#define STDERR_FILENO 2 /* standard error file descriptor */
#if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112
#define F_ULOCK 0 /* unlock locked section */
#define F_LOCK 1 /* lock a section for exclusive use */
#define F_TLOCK 2 /* test and lock a section for exclusive use */
#define F_TEST 3 /* test a section for locks by other procs */
#endif
#if __POSIX_VISIBLE
#define _POSIX_REENTRANT_FUNCTIONS 1
#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
#endif
#ifndef NULL
#ifdef __GNUG__
#define NULL __null
#elif defined(__cplusplus)
#define NULL 0L
#else
#define NULL ((void *)0)
#endif
#endif
__BEGIN_DECLS
__dead void _exit(int);
int access(const char *, int);
unsigned int alarm(unsigned int);
int chdir(const char *);
int chown(const char *, uid_t, gid_t);
int close(int);
int dup(int);
int dup2(int, int);
int execl(const char *, const char *, ...)
__attribute__((sentinel));
int execle(const char *, const char *, ...);
int execlp(const char *, const char *, ...)
__attribute__((sentinel));
int execv(const char *, char *const *);
int execve(const char *, char *const *, char *const *);
int execvp(const char *, char *const *);
#if __BSD_VISIBLE
int execvpe(const char *, char *const *, char *const *);
#endif
pid_t fork(void);
long fpathconf(int, int);
char *getcwd(char *, size_t)
__attribute__((__bounded__(__string__,1,2)));
gid_t getegid(void);
uid_t geteuid(void);
gid_t getgid(void);
int getgroups(int, gid_t *);
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 *);
off_t lseek(int, off_t, int);
long pathconf(const char *, int);
int pause(void);
int pipe(int *);
ssize_t read(int, void *, size_t)
__attribute__((__bounded__(__buffer__,2,3)));
int rmdir(const char *);
int setgid(gid_t);
int setuid(uid_t);
unsigned int sleep(unsigned int);
long sysconf(int);
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);
char *ttyname(int);
int unlink(const char *);
ssize_t write(int, const void *, size_t)
__attribute__((__bounded__(__buffer__,2,3)));
#if __POSIX_VISIBLE || __XPG_VISIBLE >= 300
pid_t setsid(void);
int setpgid(pid_t, pid_t);
#endif
#if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE
size_t confstr(int, char *, size_t)
__attribute__((__bounded__(__string__,2,3)));
#ifndef _GETOPT_DEFINED_
#define _GETOPT_DEFINED_
int getopt(int, char * const *, const char *);
extern char *optarg; /* getopt(3) external variables */
extern int opterr, optind, optopt, optreset;
/* XXX - getsubopt does not belong here */
int getsubopt(char **, char * const *, char **);
extern char *suboptarg; /* getsubopt(3) external variable */
#endif /* _GETOPT_DEFINED_ */
#endif
#if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE
int fsync(int);
int ftruncate(int, off_t);
int getlogin_r(char *, size_t)
__attribute__((__bounded__(__string__,1,2)));
#endif
#if __XPG_VISIBLE || __BSD_VISIBLE
char *crypt(const char *, const char *);
int encrypt(char *, int);
int fchdir(int);
int fchown(int, uid_t, gid_t);
long gethostid(void);
char *getwd(char *)
__attribute__ ((__bounded__(__minbytes__,1,1024)));
int lchown(const char *, uid_t, gid_t);
int mkstemp(char *);
char *mktemp(char *);
int nice(int);
int readlink(const char *, char *, size_t)
__attribute__ ((__bounded__(__string__,2,3)));
int setkey(const char *);
int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
int setregid(gid_t, gid_t);
int setreuid(uid_t, uid_t);
void swab(const void *, void *, size_t);
void sync(void);
int truncate(const char *, off_t);
unsigned int ualarm(unsigned int, unsigned int);
int usleep(useconds_t);
pid_t vfork(void);
#endif
#if __XPG_VISIBLE >= 420
pid_t getpgid(pid_t);
pid_t getsid(pid_t);
#endif
#if __XPG_VISIBLE >= 500
ssize_t pread(int, void *, size_t, off_t);
ssize_t pwrite(int, const void *, size_t, off_t);
int ttyname_r(int, char *, size_t)
__attribute__((__bounded__(__string__,2,3)));
#endif
#if __BSD_VISIBLE || __XPG_VISIBLE <= 500
/* Interfaces withdrawn by X/Open Issue 5 Version 0 */
int brk(void *);
int chroot(const char *);
int getdtablesize(void);
int getpagesize(void);
char *getpass(const char *);
void *sbrk(int);
#endif
#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420
int lockf(int, int, off_t);
#endif
#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE
int symlink(const char *, const char *);
int gethostname(char *, size_t)
__attribute__ ((__bounded__(__string__,1,2)));
int setegid(gid_t);
int seteuid(uid_t);
#endif
#if __POSIX_VISIBLE >= 200809
int faccessat(int, const char *, int, int);
int fchownat(int, const char *, uid_t, gid_t, int);
int linkat(int, const char *, int, const char *, int);
ssize_t readlinkat(int, const char *, char *, size_t);
int symlinkat(const char *, int, const char *);
int unlinkat(int, const char *, int);
#endif
#if __BSD_VISIBLE
int acct(const char *);
int closefrom(int);
int des_cipher(const char *, char *, int32_t, int);
int des_setkey(const char *);
void endusershell(void);
int exect(const char *, char * const *, char * const *);
char *fflagstostr(u_int32_t);
int getdomainname(char *, size_t)
__attribute__ ((__bounded__(__string__,1,2)));
int getdtablecount(void);
int getgrouplist(const char *, gid_t, gid_t *, int *);
mode_t getmode(const void *, mode_t);
int getresgid(gid_t *, gid_t *, gid_t *);
int getresuid(uid_t *, uid_t *, uid_t *);
char *getusershell(void);
int initgroups(const char *, gid_t);
int iruserok(u_int32_t, int, const char *, const char *);
int iruserok_sa(const void *, int, int, const char *, const char *);
int issetugid(void);
char *mkdtemp(char *);
int mkstemps(char *, int);
int nfssvc(int, void *);
int profil(char *, size_t, unsigned long, unsigned int)
__attribute__ ((__bounded__(__string__,1,2)));
int quotactl(const char *, int, int, char *);
int rcmd(char **, int, const char *,
const char *, const char *, int *);
int rcmd_af(char **, int, const char *,
const char *, const char *, int *, int);
int rcmdsh(char **, int, const char *,
const char *, const char *, char *);
char *re_comp(const char *);
int re_exec(const char *);
int reboot(int);
int revoke(const char *);
int rresvport(int *);
int rresvport_af(int *, int);
int ruserok(const char *, int, const char *, const char *);
#ifndef _SELECT_DEFINED_
#define _SELECT_DEFINED_
struct timeval;
int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
#endif
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 setresgid(gid_t, gid_t, gid_t);
int setresuid(uid_t, uid_t, uid_t);
int setrgid(gid_t);
int setruid(uid_t);
void setusershell(void);
int strtofflags(char **, u_int32_t *, u_int32_t *);
int swapctl(int cmd, const void *arg, int misc);
int syscall(int, ...);
#endif /* __BSD_VISIBLE */
__END_DECLS
#endif /* !_UNISTD_H_ */
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