unistd.h revision 25749
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 close __P((int)); 61int dup __P((int)); 62int dup2 __P((int, int)); 63int execl __P((const char *, const char *, ...)); 64int execle __P((const char *, const char *, ...)); 65int execlp __P((const char *, const char *, ...)); 66int execv __P((const char *, char * const *)); 67int execve __P((const char *, char * const *, char * const *)); 68int execvp __P((const char *, char * const *)); 69pid_t fork __P((void)); 70long fpathconf __P((int, int)); 71char *getcwd __P((char *, size_t)); 72gid_t getegid __P((void)); 73uid_t geteuid __P((void)); 74gid_t getgid __P((void)); 75int getgroups __P((int, gid_t [])); 76char *getlogin __P((void)); 77pid_t getpgrp __P((void)); 78pid_t getpid __P((void)); 79pid_t getppid __P((void)); 80uid_t getuid __P((void)); 81int isatty __P((int)); 82int link __P((const char *, const char *)); 83#ifndef _LSEEK_DECLARED 84#define _LSEEK_DECLARED 85off_t lseek __P((int, off_t, int)); 86#endif 87long pathconf __P((const char *, int)); 88int pause __P((void)); 89int pipe __P((int *)); 90ssize_t read __P((int, void *, size_t)); 91int rmdir __P((const char *)); 92int setgid __P((gid_t)); 93int setpgid __P((pid_t, pid_t)); 94pid_t setsid __P((void)); 95int setuid __P((uid_t)); 96unsigned int sleep __P((unsigned int)); 97long sysconf __P((int)); 98pid_t tcgetpgrp __P((int)); 99int tcsetpgrp __P((int, pid_t)); 100char *ttyname __P((int)); 101int unlink __P((const char *)); 102ssize_t write __P((int, const void *, size_t)); 103 104extern char *optarg; /* getopt(3) external variables */ 105extern int optind, opterr, optopt; 106int getopt __P((int, char * const [], const char *)); 107 108#ifndef _POSIX_SOURCE 109#ifdef __STDC__ 110struct timeval; /* select(2) */ 111#endif 112int acct __P((const char *)); 113int async_daemon __P((void)); 114char *brk __P((const char *)); 115int chroot __P((const char *)); 116size_t confstr __P((int, char *, size_t)); 117char *crypt __P((const char *, const char *)); 118int des_cipher __P((const char *, char *, long, int)); 119int des_setkey __P((const char *key)); 120int encrypt __P((char *, int)); 121void endusershell __P((void)); 122int exect __P((const char *, char * const *, char * const *)); 123int fchdir __P((int)); 124int fchown __P((int, uid_t, gid_t)); 125int fsync __P((int)); 126#ifndef _FTRUNCATE_DECLARED 127#define _FTRUNCATE_DECLARED 128int ftruncate __P((int, off_t)); 129#endif 130int getdomainname __P((char *, int)); 131int getdtablesize __P((void)); 132int getgrouplist __P((const char *, int, int *, int *)); 133long gethostid __P((void)); 134int gethostname __P((char *, int)); 135mode_t getmode __P((const void *, mode_t)); 136int getpagesize __P((void)) __pure2; 137char *getpass __P((const char *)); 138char *getusershell __P((void)); 139char *getwd __P((char *)); /* obsoleted by getcwd() */ 140int initgroups __P((const char *, int)); 141int iruserok __P((unsigned long, int, const char *, const char *)); 142int issetugid __P((void)); 143int lchown __P((const char *, uid_t, gid_t)); 144int mknod __P((const char *, mode_t, dev_t)); 145int mkstemp __P((char *)); 146char *mktemp __P((char *)); 147int nfssvc __P((int, void *)); 148int nice __P((int)); 149void psignal __P((unsigned int, const char *)); 150extern __const char *__const sys_siglist[]; 151int profil __P((char *, int, int, int)); 152int rcmd __P((char **, int, const char *, 153 const char *, const char *, int *)); 154char *re_comp __P((const char *)); 155int re_exec __P((const char *)); 156int readlink __P((const char *, char *, int)); 157int reboot __P((int)); 158int revoke __P((const char *)); 159pid_t rfork __P((int)); 160int rresvport __P((int *)); 161int ruserok __P((const char *, int, const char *, const char *)); 162char *sbrk __P((int)); 163int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 164int setdomainname __P((const char *, int)); 165int setegid __P((gid_t)); 166int seteuid __P((uid_t)); 167int setgroups __P((int, const gid_t *)); 168void sethostid __P((long)); 169int sethostname __P((const char *, int)); 170int setkey __P((const char *)); 171int setlogin __P((const char *)); 172void *setmode __P((const char *)); 173int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 174int setregid __P((gid_t, gid_t)); 175int setreuid __P((uid_t, uid_t)); 176int setrgid __P((gid_t)); 177int setruid __P((uid_t)); 178void setusershell __P((void)); 179int swapon __P((const char *)); 180int symlink __P((const char *, const char *)); 181void sync __P((void)); 182int syscall __P((int, ...)); 183off_t __syscall __P((quad_t, ...)); 184#ifndef _TRUNCATE_DECLARED 185#define _TRUNCATE_DECLARED 186int truncate __P((const char *, off_t)); 187#endif 188int ttyslot __P((void)); 189unsigned int ualarm __P((unsigned int, unsigned int)); 190int undelete __P((const char *)); 191int unwhiteout __P((const char *)); 192void usleep __P((unsigned int)); 193void *valloc __P((size_t)); /* obsoleted by malloc() */ 194pid_t vfork __P((void)); 195 196extern char *suboptarg; /* getsubopt(3) external variable */ 197int getsubopt __P((char **, char * const *, char **)); 198#endif /* !_POSIX_SOURCE */ 199__END_DECLS 200 201#endif /* !_UNISTD_H_ */ 202