unistd.h revision 93032
1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 34 * $FreeBSD: head/include/unistd.h 93032 2002-03-23 17:24:55Z imp $ 35 */ 36 37#ifndef _UNISTD_H_ 38#define _UNISTD_H_ 39 40#include <sys/cdefs.h> 41#include <sys/types.h> 42#include <sys/unistd.h> 43 44#define STDIN_FILENO 0 /* standard input file descriptor */ 45#define STDOUT_FILENO 1 /* standard output file descriptor */ 46#define STDERR_FILENO 2 /* standard error file descriptor */ 47 48#ifndef NULL 49#define NULL 0 /* null pointer constant */ 50#endif 51 52#ifndef _POSIX_SOURCE 53#define F_ULOCK 0 /* unlock locked section */ 54#define F_LOCK 1 /* lock a section for exclusive use */ 55#define F_TLOCK 2 /* test and lock a section for exclusive use */ 56#define F_TEST 3 /* test a section for locks by other procs */ 57#endif 58 59__BEGIN_DECLS 60void _exit(int) __dead2; 61int access(const char *, int); 62unsigned int alarm(unsigned int); 63int chdir(const char *); 64int chown(const char *, uid_t, gid_t); 65int close(int); 66int dup(int); 67int dup2(int, int); 68int eaccess(const char *, int); 69int execl(const char *, const char *, ...); 70int execle(const char *, const char *, ...); 71int execlp(const char *, const char *, ...); 72int execv(const char *, char * const *); 73int execve(const char *, char * const *, char * const *); 74int execvp(const char *, char * const *); 75pid_t fork(void); 76long fpathconf(int, int); 77char *getcwd(char *, size_t); 78gid_t getegid(void); 79uid_t geteuid(void); 80gid_t getgid(void); 81int getgroups(int, gid_t []); 82char *getlogin(void); 83pid_t getpgrp(void); 84pid_t getpid(void); 85pid_t getppid(void); 86uid_t getuid(void); 87int isatty(int); 88int link(const char *, const char *); 89#ifndef _LSEEK_DECLARED 90#define _LSEEK_DECLARED 91off_t lseek(int, off_t, int); 92#endif 93long pathconf(const char *, int); 94int pause(void); 95int pipe(int *); 96ssize_t read(int, void *, size_t); 97int rmdir(const char *); 98int setgid(gid_t); 99int setpgid(pid_t, pid_t); 100void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 101pid_t setsid(void); 102int setuid(uid_t); 103unsigned int sleep(unsigned int); 104long sysconf(int); 105pid_t tcgetpgrp(int); 106int tcsetpgrp(int, pid_t); 107char *ttyname(int); 108int unlink(const char *); 109ssize_t write(int, const void *, size_t); 110 111extern char *optarg; /* getopt(3) external variables */ 112extern int optind, opterr, optopt; 113int getopt(int, char * const [], const char *); 114 115#ifndef _POSIX_SOURCE 116struct timeval; /* select(2) */ 117int acct(const char *); 118int async_daemon(void); 119int brk(const void *); 120int chroot(const char *); 121size_t confstr(int, char *, size_t); 122char *crypt(const char *, const char *); 123__const char * 124 crypt_get_format(void); 125int crypt_set_format(const char *); 126int des_cipher(const char *, char *, long, int); 127int des_setkey(const char *key); 128int encrypt(char *, int); 129void endusershell(void); 130int exect(const char *, char * const *, char * const *); 131int fchdir(int); 132int fchown(int, uid_t, gid_t); 133char *fflagstostr(u_long); 134int fsync(int); 135#ifndef _FTRUNCATE_DECLARED 136#define _FTRUNCATE_DECLARED 137int ftruncate(int, off_t); 138#endif 139int getdomainname(char *, int); 140int getdtablesize(void); 141int getgrouplist(const char *, gid_t, gid_t *, int *); 142long gethostid(void); 143int gethostname(char *, int); 144int getlogin_r(char *, int); 145mode_t getmode(const void *, mode_t); 146int getpagesize(void) __pure2; 147char *getpass(const char *); 148int getpeereid(int, uid_t *, gid_t *); 149int getpgid(pid_t _pid); 150int getresgid(gid_t *, gid_t *, gid_t *); 151int getresuid(uid_t *, uid_t *, uid_t *); 152int getsid(pid_t _pid); 153char *getusershell(void); 154char *getwd(char *); /* obsoleted by getcwd() */ 155int initgroups(const char *, gid_t); 156int iruserok(unsigned long, int, const char *, const char *); 157int iruserok_sa(const void *, int, int, const char *, const char *); 158int issetugid(void); 159int lchown(const char *, uid_t, gid_t); 160int lockf(int, int, off_t); 161char *mkdtemp(char *); 162int mknod(const char *, mode_t, dev_t); 163int mkstemp(char *); 164int mkstemps(char *, int); 165char *mktemp(char *); 166int nfsclnt(int, void *); 167int nfssvc(int, void *); 168int nice(int); 169ssize_t pread(int, void *, size_t, off_t); 170int profil(char *, size_t, vm_offset_t, int); 171ssize_t pwrite(int, const void *, size_t, off_t); 172int rcmd(char **, int, const char *, const char *, const char *, int *); 173int rcmd_af(char **, int, const char *, 174 const char *, const char *, int *, int); 175int rcmdsh(char **, int, const char *, 176 const char *, const char *, const char *); 177char *re_comp(const char *); 178int re_exec(const char *); 179int readlink(const char *, char *, int); 180int reboot(int); 181int revoke(const char *); 182pid_t rfork(int); 183pid_t rfork_thread(int, void *, int (*)(void *), void *); 184int rresvport(int *); 185int rresvport_af(int *, int); 186int ruserok(const char *, int, const char *, const char *); 187void *sbrk(intptr_t); 188int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 189int setdomainname(const char *, int); 190int setegid(gid_t); 191int seteuid(uid_t); 192int setgroups(int, const gid_t *); 193void sethostid(long); 194int sethostname(const char *, int); 195int setkey(const char *); 196int setlogin(const char *); 197void *setmode(const char *); 198int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 199int setregid(gid_t, gid_t); 200int setresgid(gid_t, gid_t, gid_t); 201int setresuid(uid_t, uid_t, uid_t); 202int setreuid(uid_t, uid_t); 203int setrgid(gid_t); 204int setruid(uid_t); 205void setusershell(void); 206int strtofflags(char **, u_long *, u_long *); 207int swapon(const char *); 208int symlink(const char *, const char *); 209void sync(void); 210int syscall(int, ...); 211off_t __syscall(quad_t, ...); 212#ifndef _TRUNCATE_DECLARED 213#define _TRUNCATE_DECLARED 214int truncate(const char *, off_t); 215#endif 216int ttyslot(void); 217unsigned int ualarm(unsigned int, unsigned int); 218int undelete(const char *); 219int unwhiteout(const char *); 220int usleep(unsigned int); 221void *valloc(size_t); /* obsoleted by malloc() */ 222pid_t vfork(void); 223 224extern char *suboptarg; /* getsubopt(3) external variable */ 225int getsubopt(char **, char * const *, char **); 226#endif /* !_POSIX_SOURCE */ 227extern int optreset; /* getopt(3) external variable */ 228__END_DECLS 229 230#endif /* !_UNISTD_H_ */ 231