unistd.h revision 25735
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 */ 35 36#ifndef _UNISTD_H_ 37#define _UNISTD_H_ 38 39#include <sys/cdefs.h> 40#include <sys/types.h> 41#include <sys/unistd.h> 42 43#define STDIN_FILENO 0 /* standard input file descriptor */ 44#define STDOUT_FILENO 1 /* standard output file descriptor */ 45#define STDERR_FILENO 2 /* standard error file descriptor */ 46 47#ifndef NULL 48#define NULL 0 /* null pointer constant */ 49#endif 50 51__BEGIN_DECLS 52#ifdef __STDC__ 53struct timespec; /* nanosleep(2), clock_*(2) etc */ 54#endif 55void _exit __P((int)) __dead2; 56int access __P((const char *, int)); 57unsigned int alarm __P((unsigned int)); 58int chdir __P((const char *)); 59int chown __P((const char *, uid_t, gid_t)); 60int clock_getres __P((clockid_t, struct timespec *)); 61int clock_gettime __P((clockid_t, struct timespec *)); 62int clock_settime __P((clockid_t, const struct timespec *)); 63int close __P((int)); 64int dup __P((int)); 65int dup2 __P((int, int)); 66int execl __P((const char *, const char *, ...)); 67int execle __P((const char *, const char *, ...)); 68int execlp __P((const char *, const char *, ...)); 69int execv __P((const char *, char * const *)); 70int execve __P((const char *, char * const *, char * const *)); 71int execvp __P((const char *, char * const *)); 72pid_t fork __P((void)); 73long fpathconf __P((int, int)); 74char *getcwd __P((char *, size_t)); 75gid_t getegid __P((void)); 76uid_t geteuid __P((void)); 77gid_t getgid __P((void)); 78int getgroups __P((int, gid_t [])); 79char *getlogin __P((void)); 80pid_t getpgrp __P((void)); 81pid_t getpid __P((void)); 82pid_t getppid __P((void)); 83uid_t getuid __P((void)); 84int isatty __P((int)); 85int link __P((const char *, const char *)); 86#ifndef _LSEEK_DECLARED 87#define _LSEEK_DECLARED 88off_t lseek __P((int, off_t, int)); 89#endif 90int nanosleep __P((const struct timespec *, struct timespec *)); 91long pathconf __P((const char *, int)); 92int pause __P((void)); 93int pipe __P((int *)); 94ssize_t read __P((int, void *, size_t)); 95int rmdir __P((const char *)); 96int setgid __P((gid_t)); 97int setpgid __P((pid_t, pid_t)); 98pid_t setsid __P((void)); 99int setuid __P((uid_t)); 100unsigned int sleep __P((unsigned int)); 101long sysconf __P((int)); 102pid_t tcgetpgrp __P((int)); 103int tcsetpgrp __P((int, pid_t)); 104char *ttyname __P((int)); 105int unlink __P((const char *)); 106ssize_t write __P((int, const void *, size_t)); 107 108extern char *optarg; /* getopt(3) external variables */ 109extern int optind, opterr, optopt; 110int getopt __P((int, char * const [], const char *)); 111 112#ifndef _POSIX_SOURCE 113#ifdef __STDC__ 114struct timeval; /* select(2) */ 115#endif 116int acct __P((const char *)); 117int async_daemon __P((void)); 118char *brk __P((const char *)); 119int chroot __P((const char *)); 120size_t confstr __P((int, char *, size_t)); 121char *crypt __P((const char *, const char *)); 122int des_cipher __P((const char *, char *, long, int)); 123int des_setkey __P((const char *key)); 124int encrypt __P((char *, int)); 125void endusershell __P((void)); 126int exect __P((const char *, char * const *, char * const *)); 127int fchdir __P((int)); 128int fchown __P((int, uid_t, gid_t)); 129int fsync __P((int)); 130#ifndef _FTRUNCATE_DECLARED 131#define _FTRUNCATE_DECLARED 132int ftruncate __P((int, off_t)); 133#endif 134int getdomainname __P((char *, int)); 135int getdtablesize __P((void)); 136int getgrouplist __P((const char *, int, int *, int *)); 137long gethostid __P((void)); 138int gethostname __P((char *, int)); 139mode_t getmode __P((const void *, mode_t)); 140int getpagesize __P((void)) __pure2; 141char *getpass __P((const char *)); 142char *getusershell __P((void)); 143char *getwd __P((char *)); /* obsoleted by getcwd() */ 144int initgroups __P((const char *, int)); 145int iruserok __P((unsigned long, int, const char *, const char *)); 146int issetugid __P((void)); 147int lchown __P((const char *, uid_t, gid_t)); 148int mknod __P((const char *, mode_t, dev_t)); 149int mkstemp __P((char *)); 150char *mktemp __P((char *)); 151int nfssvc __P((int, void *)); 152int nice __P((int)); 153void psignal __P((unsigned int, const char *)); 154extern __const char *__const sys_siglist[]; 155int profil __P((char *, int, int, int)); 156int rcmd __P((char **, int, const char *, 157 const char *, const char *, int *)); 158char *re_comp __P((const char *)); 159int re_exec __P((const char *)); 160int readlink __P((const char *, char *, int)); 161int reboot __P((int)); 162int revoke __P((const char *)); 163pid_t rfork __P((int)); 164int rresvport __P((int *)); 165int ruserok __P((const char *, int, const char *, const char *)); 166char *sbrk __P((int)); 167int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 168int setdomainname __P((const char *, int)); 169int setegid __P((gid_t)); 170int seteuid __P((uid_t)); 171int setgroups __P((int, const gid_t *)); 172void sethostid __P((long)); 173int sethostname __P((const char *, int)); 174int setkey __P((const char *)); 175int setlogin __P((const char *)); 176void *setmode __P((const char *)); 177int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 178int setregid __P((gid_t, gid_t)); 179int setreuid __P((uid_t, uid_t)); 180int setrgid __P((gid_t)); 181int setruid __P((uid_t)); 182void setusershell __P((void)); 183int swapon __P((const char *)); 184int symlink __P((const char *, const char *)); 185void sync __P((void)); 186int syscall __P((int, ...)); 187off_t __syscall __P((quad_t, ...)); 188#ifndef _TRUNCATE_DECLARED 189#define _TRUNCATE_DECLARED 190int truncate __P((const char *, off_t)); 191#endif 192int ttyslot __P((void)); 193unsigned int ualarm __P((unsigned int, unsigned int)); 194int undelete __P((const char *)); 195int unwhiteout __P((const char *)); 196void usleep __P((unsigned int)); 197void *valloc __P((size_t)); /* obsoleted by malloc() */ 198pid_t vfork __P((void)); 199 200extern char *suboptarg; /* getsubopt(3) external variable */ 201int getsubopt __P((char **, char * const *, char **)); 202#endif /* !_POSIX_SOURCE */ 203__END_DECLS 204 205#endif /* !_UNISTD_H_ */ 206