unistd.h revision 1.56
1 /* $NetBSD: unistd.h,v 1.56 1998/06/05 20:45:39 kleink Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1991, 1993, 1994 41 * The Regents of the University of California. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the University of 54 * California, Berkeley and its contributors. 55 * 4. Neither the name of the University nor the names of its contributors 56 * may be used to endorse or promote products derived from this software 57 * without specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 72 */ 73 74 #ifndef _UNISTD_H_ 75 #define _UNISTD_H_ 76 77 #include <sys/cdefs.h> 78 #include <sys/types.h> 79 #include <sys/unistd.h> 80 81 #include <sys/featuretest.h> 82 83 84 /* 85 * IEEE Std 1003.1-90 86 */ 87 #define STDIN_FILENO 0 /* standard input file descriptor */ 88 #define STDOUT_FILENO 1 /* standard output file descriptor */ 89 #define STDERR_FILENO 2 /* standard error file descriptor */ 90 91 #ifndef NULL 92 #define NULL 0 /* null pointer constant */ 93 #endif 94 95 __BEGIN_DECLS 96 __dead void _exit __P((int)) __attribute__((noreturn)); 97 int access __P((const char *, int)); 98 unsigned int alarm __P((unsigned int)); 99 int chdir __P((const char *)); 100 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 101 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown); 102 #else 103 int chown __P((const char *, uid_t, gid_t)); 104 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 105 int close __P((int)); 106 size_t confstr __P((int, char *, size_t)); 107 char *cuserid __P((char *)); /* obsolete */ 108 int dup __P((int)); 109 int dup2 __P((int, int)); 110 int execl __P((const char *, const char *, ...)); 111 int execle __P((const char *, const char *, ...)); 112 int execlp __P((const char *, const char *, ...)); 113 int execv __P((const char *, char * const *)); 114 int execve __P((const char *, char * const *, char * const *)); 115 int execvp __P((const char *, char * const *)); 116 pid_t fork __P((void)); 117 long fpathconf __P((int, int)); 118 char *getcwd __P((char *, size_t)); 119 gid_t getegid __P((void)); 120 uid_t geteuid __P((void)); 121 gid_t getgid __P((void)); 122 int getgroups __P((int, gid_t [])); 123 char *getlogin __P((void)); 124 pid_t getpgrp __P((void)); 125 pid_t getpid __P((void)); 126 pid_t getppid __P((void)); 127 uid_t getuid __P((void)); 128 int isatty __P((int)); 129 int link __P((const char *, const char *)); 130 off_t lseek __P((int, off_t, int)); 131 long pathconf __P((const char *, int)); 132 int pause __P((void)); 133 int pipe __P((int *)); 134 ssize_t read __P((int, void *, size_t)); 135 int rmdir __P((const char *)); 136 int setgid __P((gid_t)); 137 int setpgid __P((pid_t, pid_t)); 138 pid_t setsid __P((void)); 139 int setuid __P((uid_t)); 140 unsigned int sleep __P((unsigned int)); 141 long sysconf __P((int)); 142 pid_t tcgetpgrp __P((int)); 143 int tcsetpgrp __P((int, pid_t)); 144 char *ttyname __P((int)); 145 int unlink __P((const char *)); 146 ssize_t write __P((int, const void *, size_t)); 147 148 149 /* 150 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 151 */ 152 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 153 (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 154 int getopt __P((int, char * const *, const char *)); 155 156 extern char *optarg; /* getopt(3) external variables */ 157 extern int opterr; 158 extern int optind; 159 extern int optopt; 160 #endif 161 162 163 /* 164 * IEEE Std 1003.1b-93, 165 * also found in X/Open Portability Guide >= Issue 4 Verion 2 166 */ 167 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 168 (_POSIX_C_SOURCE - 0) >= 199309L || \ 169 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 170 (_XOPEN_SOURCE - 0) >= 500 171 int ftruncate __P((int, off_t)); 172 #endif 173 174 175 /* 176 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 177 */ 178 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 179 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 180 int fdatasync __P((int)); 181 int fsync __P((int)); 182 #endif 183 184 185 /* 186 * X/Open Portability Guide, all issues 187 */ 188 #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 189 int chroot __P((const char *)); 190 int nice __P((int)); 191 #endif 192 193 194 /* 195 * X/Open Portability Guide <= Issue 3 196 */ 197 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3 198 int rename __P((const char *, const char *)) __RENAME(__posix_rename); 199 #endif 200 201 202 /* 203 * X/Open Portability Guide >= Issue 4 204 */ 205 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 206 (_XOPEN_SOURCE - 0) >= 4 207 char *crypt __P((const char *, const char *)); 208 int encrypt __P((char *, int)); 209 char *getpass __P((const char *)); 210 pid_t getsid __P((pid_t)); 211 #endif 212 213 214 /* 215 * X/Open Portability Guide >= Issue 4 Version 2 216 */ 217 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 218 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 219 (_XOPEN_SOURCE - 0) >= 500 220 #define F_ULOCK 0 221 #define F_LOCK 1 222 #define F_TLOCK 2 223 #define F_TEST 3 224 225 char *brk __P((const char *)); 226 int fchdir __P((int)); 227 #if defined(_XOPEN_SOURCE) 228 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 229 #else 230 int fchown __P((int, uid_t, gid_t)); 231 #endif 232 int getdtablesize __P((void)); 233 long gethostid __P((void)); 234 int gethostname __P((char *, size_t)); 235 __pure int 236 getpagesize __P((void)); /* legacy */ 237 char *getwd __P((char *)); /* obsoleted by getcwd() */ 238 #if defined(_XOPEN_SOURCE) 239 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 240 #else 241 int lchown __P((const char *, uid_t, gid_t)); 242 #endif 243 int lockf __P((int, int, off_t)); 244 int readlink __P((const char *, char *, size_t)); 245 char *sbrk __P((int)); 246 /* XXX prototype wrong! */ 247 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 248 int setregid __P((gid_t, gid_t)); 249 int setreuid __P((uid_t, uid_t)); 250 void swab __P((const void *, void *, size_t)); 251 int symlink __P((const char *, const char *)); 252 void sync __P((void)); 253 int truncate __P((const char *, off_t)); 254 useconds_t ualarm __P((useconds_t, useconds_t)); 255 int usleep __P((useconds_t)); 256 #ifdef __LIBC12_SOURCE__ 257 pid_t vfork __P((void)); 258 pid_t __vfork14 __P((void)); 259 #else 260 pid_t vfork __P((void)) __RENAME(__vfork14); 261 #endif 262 263 /* FIXME: this should go to <sys/time.h>! */ 264 #ifdef __STDC__ 265 struct timeval; /* select(2) XXX */ 266 #endif 267 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 268 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 269 270 271 /* 272 * Implementation-defined extensions 273 */ 274 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 275 int acct __P((const char *)); 276 int des_cipher __P((const char *, char *, long, int)); 277 int des_setkey __P((const char *key)); 278 void endusershell __P((void)); 279 int exect __P((const char *, char * const *, char * const *)); 280 int getdomainname __P((char *, size_t)); 281 int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 282 mode_t getmode __P((const void *, mode_t)); 283 int getsubopt __P((char **, char * const *, char **)); 284 char *getusershell __P((void)); 285 int initgroups __P((const char *, gid_t)); 286 int iruserok __P((u_int32_t, int, const char *, const char *)); 287 int nfssvc __P((int, void *)); 288 int profil __P((char *, size_t, u_long, u_int)); 289 void psignal __P((unsigned int, const char *)); 290 int rcmd __P((char **, int, const char *, 291 const char *, const char *, int *)); 292 int reboot __P((int, char *)); 293 int revoke __P((const char *)); 294 int rresvport __P((int *)); 295 int ruserok __P((const char *, int, const char *, const char *)); 296 int setdomainname __P((const char *, size_t)); 297 int setegid __P((gid_t)); 298 int seteuid __P((uid_t)); 299 int setgroups __P((int, const gid_t *)); 300 int sethostid __P((long)); 301 int sethostname __P((const char *, size_t)); 302 int setlogin __P((const char *)); 303 void *setmode __P((const char *)); 304 int setrgid __P((gid_t)); 305 int setruid __P((uid_t)); 306 void setusershell __P((void)); 307 void strmode __P((mode_t, char *)); 308 char *strsignal __P((int)); 309 int swapctl __P((int, const void *, int)); 310 int swapon __P((const char *)); /* obsoleted by swapctl() */ 311 int syscall __P((int, ...)); 312 quad_t __syscall __P((quad_t, ...)); 313 int undelete __P((const char *)); 314 int unwhiteout __P((const char *)); 315 316 extern __const char *__const sys_siglist[]; 317 extern int optreset; /* getopt(3) external variable */ 318 extern char *suboptarg; /* getsubopt(3) external variable */ 319 #endif 320 321 __END_DECLS 322 323 #endif /* !_UNISTD_H_ */ 324
Indexes created Mon Sep 29 13:09:55 GMT 2025