1 /* $NetBSD: unistd.h,v 1.22 1994/10/26 00:56:38 cgd Exp $ */ 2 3 /*- 4 * Copyright (c) 1991 The Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)unistd.h 5.13 (Berkeley) 6/17/91 36 */ 37 38 #ifndef _UNISTD_H_ 39 #define _UNISTD_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/types.h> 43 #include <sys/unistd.h> 44 45 #define STDIN_FILENO 0 /* standard input file descriptor */ 46 #define STDOUT_FILENO 1 /* standard output file descriptor */ 47 #define STDERR_FILENO 2 /* standard error file descriptor */ 48 49 #ifndef NULL 50 #define NULL 0 /* null pointer constant */ 51 #endif 52 53 __BEGIN_DECLS 54 __dead void _exit __P((int)) __attribute__((noreturn)); 55 int access __P((const char *, int)); 56 unsigned alarm __P((unsigned)); 57 int chdir __P((const char *)); 58 int chown __P((const char *, uid_t, gid_t)); 59 int close __P((int)); 60 size_t confstr __P((int, char *, size_t)); 61 char *cuserid __P((char *)); 62 int dup __P((int)); 63 int dup2 __P((int, int)); 64 int execl __P((const char *, const char *, ...)); 65 int execle __P((const char *, const char *, ...)); 66 int execlp __P((const char *, const char *, ...)); 67 int execv __P((const char *, char * const *)); 68 int execve __P((const char *, char * const *, char * const *)); 69 int execvp __P((const char *, char * const *)); 70 pid_t fork __P((void)); 71 long fpathconf __P((int, int)); /* not yet */ 72 char *getcwd __P((char *, size_t)); 73 gid_t getegid __P((void)); 74 uid_t geteuid __P((void)); 75 gid_t getgid __P((void)); 76 int getgroups __P((int, gid_t *)); 77 char *getlogin __P((void)); 78 pid_t getpgrp __P((void)); 79 pid_t getpid __P((void)); 80 pid_t getppid __P((void)); 81 uid_t getuid __P((void)); 82 int isatty __P((int)); 83 int link __P((const char *, const char *)); 84 off_t lseek __P((int, off_t, int)); 85 long pathconf __P((const char *, int)); /* not yet */ 86 int pause __P((void)); 87 int pipe __P((int *)); 88 ssize_t read __P((int, void *, size_t)); 89 int rmdir __P((const char *)); 90 int setgid __P((gid_t)); 91 int setpgid __P((pid_t, pid_t)); 92 pid_t setsid __P((void)); 93 int setuid __P((uid_t)); 94 unsigned sleep __P((unsigned)); 95 long sysconf __P((int)); /* not yet */ 96 pid_t tcgetpgrp __P((int)); 97 int tcsetpgrp __P((int, pid_t)); 98 char *ttyname __P((int)); 99 int unlink __P((const char *)); 100 ssize_t write __P((int, const void *, size_t)); 101 102 #ifndef _POSIX_SOURCE 103 104 /* structure timeval required for select() */ 105 #include <sys/time.h> 106 107 int acct __P((const char *)); 108 char *brk __P((const char *)); 109 int chroot __P((const char *)); 110 char *crypt __P((const char *, const char *)); 111 int des_cipher __P((const char *, char *, long, int)); 112 int des_setkey __P((const char *key)); 113 int encrypt __P((char *, int)); 114 void endusershell __P((void)); 115 int exect __P((const char *, char * const *, char * const *)); 116 int fchdir __P((int)); 117 int fchown __P((int, uid_t, gid_t)); 118 int fsync __P((int)); 119 int ftruncate __P((int, off_t)); 120 int getdomainname __P((char *, int)); 121 int getdtablesize __P((void)); 122 long gethostid __P((void)); 123 int gethostname __P((char *, int)); 124 mode_t getmode __P((const void *, mode_t)); 125 int getpagesize __P((void)); 126 char *getpass __P((const char *)); 127 char *getusershell __P((void)); 128 char *getwd __P((char *)); /* obsoleted by getcwd() */ 129 int initgroups __P((const char *, int)); 130 int mknod __P((const char *, mode_t, dev_t)); 131 int mkstemp __P((char *)); 132 char *mktemp __P((char *)); 133 int nfssvc __P((int, void *)); 134 int nice __P((int)); 135 void psignal __P((u_int, const char *)); 136 extern const char *const sys_siglist[]; 137 int profil __P((char *, int, int, int)); 138 int rcmd __P((char **, int, const char *, 139 const char *, const char *, int *)); 140 char *re_comp __P((const char *)); 141 int re_exec __P((const char *)); 142 int readlink __P((const char *, char *, int)); 143 int reboot __P((int)); 144 int revoke __P((const char *)); 145 int rresvport __P((int *)); 146 int ruserok __P((const char *, int, const char *, const char *)); 147 char *sbrk __P((int)); 148 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 149 int setdomainname __P((const char *, int)); 150 int setegid __P((gid_t)); 151 int seteuid __P((uid_t)); 152 int setgroups __P((int, const gid_t *)); 153 void sethostid __P((long)); 154 int sethostname __P((const char *, int)); 155 int setkey __P((const char *)); 156 int setlogin __P((const char *)); 157 void *setmode __P((const char *)); 158 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 159 int setregid __P((int, int)); 160 int setreuid __P((int, int)); 161 int setrgid __P((gid_t)); 162 int setruid __P((uid_t)); 163 void setusershell __P((void)); 164 int swapon __P((const char *)); 165 int symlink __P((const char *, const char *)); 166 void sync __P((void)); 167 int syscall __P((int, ...)); 168 int truncate __P((const char *, off_t)); 169 int ttyslot __P((void)); 170 u_int ualarm __P((u_int, u_int)); 171 void usleep __P((u_int)); 172 void *valloc __P((size_t)); /* obsoleted by malloc() */ 173 pid_t vfork __P((void)); 174 175 int getopt __P((int, char * const *, const char *)); 176 extern char *optarg; /* getopt(3) external variables */ 177 extern int opterr; 178 extern int optind; 179 extern int optopt; 180 extern int optreset; 181 int getsubopt __P((char **, char * const *, char **)); 182 extern char *suboptarg; /* getsubopt(3) external variable */ 183 #endif /* !_POSIX_SOURCE */ 184 __END_DECLS 185 186 #endif /* !_UNISTD_H_ */ 187