1 /* $OpenBSD: unistd.h,v 1.34 2000/12/06 17:18:43 deraadt Exp $ */ 2 /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ 3 4 /*- 5 * Copyright (c) 1991 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)unistd.h 5.13 (Berkeley) 6/17/91 37 */ 38 39 #ifndef _UNISTD_H_ 40 #define _UNISTD_H_ 41 42 #include <sys/cdefs.h> 43 #include <sys/types.h> 44 #include <sys/unistd.h> 45 46 #define STDIN_FILENO 0 /* standard input file descriptor */ 47 #define STDOUT_FILENO 1 /* standard output file descriptor */ 48 #define STDERR_FILENO 2 /* standard error file descriptor */ 49 50 #ifndef NULL 51 #ifdef __GNUG__ 52 #define NULL __null 53 #else 54 #define NULL 0 /* null pointer constant */ 55 #endif 56 #endif 57 58 __BEGIN_DECLS 59 __dead void _exit __P((int)) __attribute__((__noreturn__)); 60 int access __P((const char *, int)); 61 unsigned int alarm __P((unsigned int)); 62 int chdir __P((const char *)); 63 int chown __P((const char *, uid_t, gid_t)); 64 int close __P((int)); 65 size_t confstr __P((int, char *, size_t)); 66 char *cuserid __P((char *)); 67 int dup __P((int)); 68 int dup2 __P((int, int)); 69 int execl __P((const char *, const char *, ...)); 70 int execle __P((const char *, const char *, ...)); 71 int execlp __P((const char *, const char *, ...)); 72 int execv __P((const char *, char * const *)); 73 int execve __P((const char *, char * const *, char * const *)); 74 int execvp __P((const char *, char * const *)); 75 pid_t fork __P((void)); 76 long fpathconf __P((int, int)); 77 char *getcwd __P((char *, size_t)); 78 gid_t getegid __P((void)); 79 uid_t geteuid __P((void)); 80 gid_t getgid __P((void)); 81 int getgroups __P((int, gid_t *)); 82 char *getlogin __P((void)); 83 int getlogin_r __P((char *, size_t)); 84 pid_t getpgrp __P((void)); 85 pid_t getpid __P((void)); 86 pid_t getpgid __P((pid_t)); 87 pid_t getppid __P((void)); 88 pid_t getsid __P((pid_t)); 89 uid_t getuid __P((void)); 90 int isatty __P((int)); 91 int link __P((const char *, const char *)); 92 off_t lseek __P((int, off_t, int)); 93 long pathconf __P((const char *, int)); 94 int pause __P((void)); 95 int pipe __P((int *)); 96 ssize_t read __P((int, void *, size_t)); 97 int rmdir __P((const char *)); 98 int setgid __P((gid_t)); 99 int setpgid __P((pid_t, pid_t)); 100 pid_t setsid __P((void)); 101 int setuid __P((uid_t)); 102 unsigned int sleep __P((unsigned int)); 103 long sysconf __P((int)); 104 pid_t tcgetpgrp __P((int)); 105 int tcsetpgrp __P((int, pid_t)); 106 char *ttyname __P((int)); 107 int ttyname_r __P((int, char *, size_t)); 108 int unlink __P((const char *)); 109 ssize_t write __P((int, const void *, size_t)); 110 111 #ifndef _POSIX_SOURCE 112 113 /* structure timeval required for select() */ 114 #include <sys/time.h> 115 116 /* 117 * X/Open CAE Specification Issue 5 Version 2 118 */ 119 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 120 (_XOPEN_VERSION - 0) >= 500 121 ssize_t pread __P((int, void *, size_t, off_t)); 122 ssize_t pwrite __P((int, const void *, size_t, off_t)); 123 #endif 124 125 int acct __P((const char *)); 126 char *brk __P((const char *)); 127 int chroot __P((const char *)); 128 char *crypt __P((const char *, const char *)); 129 int des_cipher __P((const char *, char *, long, int)); 130 int des_setkey __P((const char *key)); 131 int encrypt __P((char *, int)); 132 void endusershell __P((void)); 133 int exect __P((const char *, char * const *, char * const *)); 134 int fchdir __P((int)); 135 int fchown __P((int, uid_t, gid_t)); 136 char *fflagstostr __P((u_int32_t)); 137 int fsync __P((int)); 138 int ftruncate __P((int, off_t)); 139 int getdomainname __P((char *, size_t)); 140 int getdtablesize __P((void)); 141 int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 142 long gethostid __P((void)); 143 int gethostname __P((char *, size_t)); 144 mode_t getmode __P((const void *, mode_t)); 145 int getpagesize __P((void)); 146 char *getpass __P((const char *)); 147 char *getusershell __P((void)); 148 char *getwd __P((char *)); /* obsoleted by getcwd() */ 149 int initgroups __P((const char *, gid_t)); 150 int iruserok __P((u_int32_t, int, const char *, const char *)); 151 int iruserok_sa __P((const void *, int, int, const char *, const char *)); 152 int lchown __P((const char *, uid_t, gid_t)); 153 char *mkdtemp __P((char *)); 154 int mkstemp __P((char *)); 155 int mkstemps __P((char *, int)); 156 char *mktemp __P((char *)); 157 int nfssvc __P((int, void *)); 158 int nice __P((int)); 159 void psignal __P((unsigned int, const char *)); 160 extern __const char *__const sys_siglist[]; 161 int profil __P((char *, size_t, unsigned long, unsigned int)); 162 int rcmd __P((char **, int, const char *, 163 const char *, const char *, int *)); 164 int rcmd_af __P((char **, int, const char *, 165 const char *, const char *, int *, int)); 166 int rcmdsh __P((char **, int, const char *, 167 const char *, const char *, char *)); 168 char *re_comp __P((const char *)); 169 int re_exec __P((const char *)); 170 int readlink __P((const char *, char *, size_t)); 171 int reboot __P((int)); 172 int revoke __P((const char *)); 173 int rfork __P((int opts)); 174 int rresvport __P((int *)); 175 int rresvport_af __P((int *, int)); 176 int ruserok __P((const char *, int, const char *, const char *)); 177 int quotactl __P((const char *, int, int, char *)); 178 char *sbrk __P((int)); 179 180 #if !defined(_XOPEN_SOURCE) 181 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 182 #endif 183 184 int setdomainname __P((const char *, size_t)); 185 int setegid __P((gid_t)); 186 int seteuid __P((uid_t)); 187 int setgroups __P((int, const gid_t *)); 188 int sethostid __P((long)); 189 int sethostname __P((const char *, size_t)); 190 int setkey __P((const char *)); 191 int setlogin __P((const char *)); 192 void *setmode __P((const char *)); 193 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 194 int setregid __P((int, int)); 195 int setreuid __P((int, int)); 196 int setrgid __P((gid_t)); 197 int setruid __P((uid_t)); 198 void setusershell __P((void)); 199 int strtofflags __P((char **, u_int32_t *, u_int32_t *)); 200 void swab __P((const void *, void *, size_t)); 201 int swapon __P((const char *)); 202 int swapctl __P((int cmd, const void *arg, int misc)); 203 int symlink __P((const char *, const char *)); 204 void sync __P((void)); 205 int syscall __P((int, ...)); 206 int truncate __P((const char *, off_t)); 207 int ttyslot __P((void)); 208 unsigned int ualarm __P((unsigned int, unsigned int)); 209 int undelete __P((const char *)); 210 int usleep __P((useconds_t)); 211 void *valloc __P((size_t)); /* obsoleted by malloc() */ 212 pid_t vfork __P((void)); 213 int issetugid __P((void)); 214 215 int getopt __P((int, char * const *, const char *)); 216 extern char *optarg; /* getopt(3) external variables */ 217 extern int opterr; 218 extern int optind; 219 extern int optopt; 220 extern int optreset; 221 int getsubopt __P((char **, char * const *, char **)); 222 extern char *suboptarg; /* getsubopt(3) external variable */ 223 #endif /* !_POSIX_SOURCE */ 224 225 #if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 226 !defined(_XOPEN_SOURCE)) || \ 227 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1) 228 #define F_ULOCK 0 229 #define F_LOCK 1 230 #define F_TLOCK 2 231 #define F_TEST 3 232 int lockf __P((int, int, off_t)); 233 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 234 __END_DECLS 235 236 #endif /* !_UNISTD_H_ */ 237