unistd.h revision 25770
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 52void _exit __P((int)) __dead2; 53int access __P((const char *, int)); 54unsigned int alarm __P((unsigned int)); 55int chdir __P((const char *)); 56int chown __P((const char *, uid_t, gid_t)); 57int close __P((int)); 58int dup __P((int)); 59int dup2 __P((int, int)); 60int execl __P((const char *, const char *, ...)); 61int execle __P((const char *, const char *, ...)); 62int execlp __P((const char *, const char *, ...)); 63int execv __P((const char *, char * const *)); 64int execve __P((const char *, char * const *, char * const *)); 65int execvp __P((const char *, char * const *)); 66pid_t fork __P((void)); 67long fpathconf __P((int, int)); 68char *getcwd __P((char *, size_t)); 69gid_t getegid __P((void)); 70uid_t geteuid __P((void)); 71gid_t getgid __P((void)); 72int getgroups __P((int, gid_t [])); 73char *getlogin __P((void)); 74pid_t getpgrp __P((void)); 75pid_t getpid __P((void)); 76pid_t getppid __P((void)); 77uid_t getuid __P((void)); 78int isatty __P((int)); 79int link __P((const char *, const char *)); 80#ifndef _LSEEK_DECLARED 81#define _LSEEK_DECLARED 82off_t lseek __P((int, off_t, int)); 83#endif 84long pathconf __P((const char *, int)); 85int pause __P((void)); 86int pipe __P((int *)); 87ssize_t read __P((int, void *, size_t)); 88int rmdir __P((const char *)); 89int setgid __P((gid_t)); 90int setpgid __P((pid_t, pid_t)); 91pid_t setsid __P((void)); 92int setuid __P((uid_t)); 93unsigned int sleep __P((unsigned int)); 94long sysconf __P((int)); 95pid_t tcgetpgrp __P((int)); 96int tcsetpgrp __P((int, pid_t)); 97char *ttyname __P((int)); 98int unlink __P((const char *)); 99ssize_t write __P((int, const void *, size_t)); 100 101extern char *optarg; /* getopt(3) external variables */ 102extern int optind, opterr, optopt; 103int getopt __P((int, char * const [], const char *)); 104 105#ifndef _POSIX_SOURCE 106#ifdef __STDC__ 107struct timeval; /* select(2) */ 108#endif 109int acct __P((const char *)); 110int async_daemon __P((void)); 111char *brk __P((const char *)); 112int chroot __P((const char *)); 113size_t confstr __P((int, char *, size_t)); 114char *crypt __P((const char *, const char *)); 115int des_cipher __P((const char *, char *, long, int)); 116int des_setkey __P((const char *key)); 117int encrypt __P((char *, int)); 118void endusershell __P((void)); 119int exect __P((const char *, char * const *, char * const *)); 120int fchdir __P((int)); 121int fchown __P((int, uid_t, gid_t)); 122int fsync __P((int)); 123#ifndef _FTRUNCATE_DECLARED 124#define _FTRUNCATE_DECLARED 125int ftruncate __P((int, off_t)); 126#endif 127int getdomainname __P((char *, int)); 128int getdtablesize __P((void)); 129int getgrouplist __P((const char *, int, int *, int *)); 130long gethostid __P((void)); 131int gethostname __P((char *, int)); 132mode_t getmode __P((const void *, mode_t)); 133int getpagesize __P((void)) __pure2; 134char *getpass __P((const char *)); 135char *getusershell __P((void)); 136char *getwd __P((char *)); /* obsoleted by getcwd() */ 137int initgroups __P((const char *, int)); 138int iruserok __P((unsigned long, int, const char *, const char *)); 139int issetugid __P((void)); 140int lchown __P((const char *, uid_t, gid_t)); 141int mknod __P((const char *, mode_t, dev_t)); 142int mkstemp __P((char *)); 143char *mktemp __P((char *)); 144int nfssvc __P((int, void *)); 145int nice __P((int)); 146void psignal __P((unsigned int, const char *)); 147extern __const char *__const sys_siglist[]; 148int profil __P((char *, int, int, int)); 149int rcmd __P((char **, int, const char *, 150 const char *, const char *, int *)); 151char *re_comp __P((const char *)); 152int re_exec __P((const char *)); 153int readlink __P((const char *, char *, int)); 154int reboot __P((int)); 155int revoke __P((const char *)); 156pid_t rfork __P((int)); 157int rresvport __P((int *)); 158int ruserok __P((const char *, int, const char *, const char *)); 159char *sbrk __P((int)); 160int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 161int setdomainname __P((const char *, int)); 162int setegid __P((gid_t)); 163int seteuid __P((uid_t)); 164int setgroups __P((int, const gid_t *)); 165void sethostid __P((long)); 166int sethostname __P((const char *, int)); 167int setkey __P((const char *)); 168int setlogin __P((const char *)); 169void *setmode __P((const char *)); 170int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 171int setregid __P((gid_t, gid_t)); 172int setreuid __P((uid_t, uid_t)); 173int setrgid __P((gid_t)); 174int setruid __P((uid_t)); 175void setusershell __P((void)); 176int swapon __P((const char *)); 177int symlink __P((const char *, const char *)); 178void sync __P((void)); 179int syscall __P((int, ...)); 180off_t __syscall __P((quad_t, ...)); 181#ifndef _TRUNCATE_DECLARED 182#define _TRUNCATE_DECLARED 183int truncate __P((const char *, off_t)); 184#endif 185int ttyslot __P((void)); 186unsigned int ualarm __P((unsigned int, unsigned int)); 187int undelete __P((const char *)); 188int unwhiteout __P((const char *)); 189void usleep __P((unsigned int)); 190void *valloc __P((size_t)); /* obsoleted by malloc() */ 191pid_t vfork __P((void)); 192 193extern char *suboptarg; /* getsubopt(3) external variable */ 194int getsubopt __P((char **, char * const *, char **)); 195#endif /* !_POSIX_SOURCE */ 196__END_DECLS 197 198#endif /* !_UNISTD_H_ */ 199