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