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/*-
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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
* $FreeBSD$
*/
#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 */
#ifndef NULL
#define NULL 0 /* null pointer constant */
#endif
#ifndef _POSIX_SOURCE
#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
__BEGIN_DECLS
void _exit(int) __dead2;
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 eaccess(const char *, 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 []);
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 *);
#ifndef _LSEEK_DECLARED
#define _LSEEK_DECLARED
off_t lseek(int, off_t, int);
#endif
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);
void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
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);
char *ttyname(int);
int unlink(const char *);
ssize_t write(int, const void *, size_t);
extern char *optarg; /* getopt(3) external variables */
extern int optind, opterr, optopt;
int getopt(int, char * const [], const char *);
#ifndef _POSIX_SOURCE
struct timeval; /* select(2) */
int acct(const char *);
int async_daemon(void);
int brk(const void *);
int chroot(const char *);
size_t confstr(int, char *, size_t);
char *crypt(const char *, const char *);
__const char *
crypt_get_format(void);
int crypt_set_format(const char *);
int des_cipher(const char *, char *, long, int);
int des_setkey(const char *key);
int encrypt(char *, int);
void endusershell(void);
int exect(const char *, char * const *, char * const *);
int fchdir(int);
int fchown(int, uid_t, gid_t);
char *fflagstostr(u_long);
int fsync(int);
#ifndef _FTRUNCATE_DECLARED
#define _FTRUNCATE_DECLARED
int ftruncate(int, off_t);
#endif
int getdomainname(char *, int);
int getdtablesize(void);
int getgrouplist(const char *, gid_t, gid_t *, int *);
long gethostid(void);
int gethostname(char *, int);
int getlogin_r(char *, int);
mode_t getmode(const void *, mode_t);
int getpagesize(void) __pure2;
char *getpass(const char *);
int getpeereid(int, uid_t *, gid_t *);
int getpgid(pid_t _pid);
int getresgid(gid_t *, gid_t *, gid_t *);
int getresuid(uid_t *, uid_t *, uid_t *);
int getsid(pid_t _pid);
char *getusershell(void);
char *getwd(char *); /* obsoleted by getcwd() */
int initgroups(const char *, gid_t);
int iruserok(unsigned long, int, const char *, const char *);
int iruserok_sa(const void *, int, int, const char *, const char *);
int issetugid(void);
int lchown(const char *, uid_t, gid_t);
int lockf(int, int, off_t);
char *mkdtemp(char *);
int mknod(const char *, mode_t, dev_t);
int mkstemp(char *);
int mkstemps(char *, int);
char *mktemp(char *);
int nfsclnt(int, void *);
int nfssvc(int, void *);
int nice(int);
ssize_t pread(int, void *, size_t, off_t);
int profil(char *, size_t, vm_offset_t, int);
ssize_t pwrite(int, const void *, size_t, off_t);
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 *, const char *);
char *re_comp(const char *);
int re_exec(const char *);
int readlink(const char *, char *, int);
int reboot(int);
int revoke(const char *);
pid_t rfork(int);
pid_t rfork_thread(int, void *, int (*)(void *), void *);
int rresvport(int *);
int rresvport_af(int *, int);
int ruserok(const char *, int, const char *, const char *);
void *sbrk(intptr_t);
int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
int setdomainname(const char *, int);
int setegid(gid_t);
int seteuid(uid_t);
int setgroups(int, const gid_t *);
void sethostid(long);
int sethostname(const char *, int);
int setkey(const char *);
int setlogin(const char *);
void *setmode(const char *);
int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
int setregid(gid_t, gid_t);
int setresgid(gid_t, gid_t, gid_t);
int setresuid(uid_t, uid_t, uid_t);
int setreuid(uid_t, uid_t);
int setrgid(gid_t);
int setruid(uid_t);
void setusershell(void);
int strtofflags(char **, u_long *, u_long *);
int swapon(const char *);
int symlink(const char *, const char *);
void sync(void);
int syscall(int, ...);
off_t __syscall(quad_t, ...);
#ifndef _TRUNCATE_DECLARED
#define _TRUNCATE_DECLARED
int truncate(const char *, off_t);
#endif
int ttyslot(void);
unsigned int ualarm(unsigned int, unsigned int);
int undelete(const char *);
int unwhiteout(const char *);
int usleep(unsigned int);
void *valloc(size_t); /* obsoleted by malloc() */
pid_t vfork(void);
extern char *suboptarg; /* getsubopt(3) external variable */
int getsubopt(char **, char * const *, char **);
#endif /* !_POSIX_SOURCE */
extern int optreset; /* getopt(3) external variable */
__END_DECLS
#endif /* !_UNISTD_H_ */
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