unistd.h revision 1.94
1 /* $NetBSD: unistd.h,v 1.94 2003/08/07 09:44:11 agc Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 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. Neither the name of the University nor the names of its contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 59 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 60 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 61 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 62 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 63 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 64 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 65 * SUCH DAMAGE. 66 * 67 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 68 */ 69 70 #ifndef _UNISTD_H_ 71 #define _UNISTD_H_ 72 73 #include <machine/ansi.h> 74 #include <machine/int_types.h> 75 #include <sys/cdefs.h> 76 #include <sys/featuretest.h> 77 #include <sys/types.h> 78 #include <sys/unistd.h> 79 80 81 /* 82 * IEEE Std 1003.1-90 83 */ 84 #define STDIN_FILENO 0 /* standard input file descriptor */ 85 #define STDOUT_FILENO 1 /* standard output file descriptor */ 86 #define STDERR_FILENO 2 /* standard error file descriptor */ 87 88 #include <sys/null.h> 89 90 __BEGIN_DECLS 91 __dead void _exit __P((int)) __attribute__((__noreturn__)); 92 int access __P((const char *, int)); 93 unsigned int alarm __P((unsigned int)); 94 int chdir __P((const char *)); 95 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 96 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown); 97 #else 98 int chown __P((const char *, uid_t, gid_t)); 99 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 100 int close __P((int)); 101 size_t confstr __P((int, char *, size_t)); 102 #ifndef __CUSERID_DECLARED 103 #define __CUSERID_DECLARED 104 /* also declared in stdio.h */ 105 char *cuserid __P((char *)); /* obsolete */ 106 #endif /* __CUSERID_DECLARED */ 107 int dup __P((int)); 108 int dup2 __P((int, int)); 109 int execl __P((const char *, const char *, ...)); 110 int execle __P((const char *, const char *, ...)); 111 int execlp __P((const char *, const char *, ...)); 112 int execv __P((const char *, char * const *)); 113 int execve __P((const char *, char * const *, char * const *)); 114 int execvp __P((const char *, char * const *)); 115 pid_t fork __P((void)); 116 long fpathconf __P((int, int)); 117 char *getcwd __P((char *, size_t)); 118 gid_t getegid __P((void)); 119 uid_t geteuid __P((void)); 120 gid_t getgid __P((void)); 121 int getgroups __P((int, gid_t [])); 122 __aconst char *getlogin __P((void)); 123 pid_t getpgrp __P((void)); 124 pid_t getpid __P((void)); 125 pid_t getppid __P((void)); 126 uid_t getuid __P((void)); 127 int isatty __P((int)); 128 int link __P((const char *, const char *)); 129 long pathconf __P((const char *, int)); 130 int pause __P((void)); 131 int pipe __P((int *)); 132 ssize_t read __P((int, void *, size_t)); 133 int rmdir __P((const char *)); 134 int setgid __P((gid_t)); 135 int setpgid __P((pid_t, pid_t)); 136 pid_t setsid __P((void)); 137 int setuid __P((uid_t)); 138 unsigned int sleep __P((unsigned int)); 139 long sysconf __P((int)); 140 pid_t tcgetpgrp __P((int)); 141 int tcsetpgrp __P((int, pid_t)); 142 __aconst char *ttyname __P((int)); 143 int unlink __P((const char *)); 144 ssize_t write __P((int, const void *, size_t)); 145 146 147 /* 148 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 149 */ 150 #if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 || \ 151 defined(_NETBSD_SOURCE) 152 int getopt __P((int, char * const [], const char *)); 153 154 extern char *optarg; /* getopt(3) external variables */ 155 extern int opterr; 156 extern int optind; 157 extern int optopt; 158 #endif 159 160 /* 161 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 162 */ 163 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 164 defined(_NETBSD_SOURCE) 165 int setegid __P((gid_t)); 166 int seteuid __P((uid_t)); 167 #endif 168 169 /* 170 * The following three syscalls are also defined in <sys/types.h> 171 * We protect them against double declarations. 172 */ 173 #ifndef __OFF_T_SYSCALLS_DECLARED 174 #define __OFF_T_SYSCALLS_DECLARED 175 off_t lseek __P((int, off_t, int)); 176 int truncate __P((const char *, off_t)); 177 /* 178 * IEEE Std 1003.1b-93, 179 * also found in X/Open Portability Guide >= Issue 4 Verion 2 180 */ 181 #if (_POSIX_C_SOURCE - 0) >= 199309L || \ 182 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 183 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 184 int ftruncate __P((int, off_t)); 185 #endif 186 #endif /* __OFF_T_SYSCALLS_DECLARED */ 187 188 189 /* 190 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 191 */ 192 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 193 defined(_NETBSD_SOURCE) 194 int fdatasync __P((int)); 195 int fsync __P((int)); 196 #endif 197 198 199 /* 200 * X/Open Portability Guide, all issues 201 */ 202 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 203 int chroot __P((const char *)); 204 int nice __P((int)); 205 #endif 206 207 208 /* 209 * X/Open Portability Guide <= Issue 3 210 */ 211 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3 212 int rename __P((const char *, const char *)) __RENAME(__posix_rename); 213 #endif 214 215 216 /* 217 * X/Open Portability Guide >= Issue 4 218 */ 219 #if (_XOPEN_SOURCE - 0) >= 4 || defined(_NETBSD_SOURCE) 220 __aconst char *crypt __P((const char *, const char *)); 221 int encrypt __P((char *, int)); 222 char *getpass __P((const char *)); 223 pid_t getsid __P((pid_t)); 224 #endif 225 226 227 /* 228 * X/Open Portability Guide >= Issue 4 Version 2 229 */ 230 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 231 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 232 #ifndef intptr_t 233 typedef __intptr_t intptr_t; 234 #define intptr_t __intptr_t 235 #endif 236 237 #define F_ULOCK 0 238 #define F_LOCK 1 239 #define F_TLOCK 2 240 #define F_TEST 3 241 242 int brk __P((void *)); 243 int fchdir __P((int)); 244 #if defined(_XOPEN_SOURCE) 245 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 246 #else 247 int fchown __P((int, uid_t, gid_t)); 248 #endif 249 int getdtablesize __P((void)); 250 long gethostid __P((void)); 251 int gethostname __P((char *, size_t)); 252 __pure int 253 getpagesize __P((void)); /* legacy */ 254 pid_t getpgid __P((pid_t)); 255 #if defined(_XOPEN_SOURCE) 256 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 257 #else 258 int lchown __P((const char *, uid_t, gid_t)); 259 #endif 260 int lockf __P((int, int, off_t)); 261 int readlink __P((const char *, char *, size_t)); 262 void *sbrk __P((intptr_t)); 263 /* XXX prototype wrong! */ 264 int setpgrp __P((pid_t, pid_t)); /* obsoleted by setpgid() */ 265 int setregid __P((gid_t, gid_t)); 266 int setreuid __P((uid_t, uid_t)); 267 void swab __P((const void *, void *, size_t)); 268 int symlink __P((const char *, const char *)); 269 void sync __P((void)); 270 useconds_t ualarm __P((useconds_t, useconds_t)); 271 int usleep __P((useconds_t)); 272 #ifdef __LIBC12_SOURCE__ 273 pid_t vfork __P((void)); 274 pid_t __vfork14 __P((void)); 275 #else 276 pid_t vfork __P((void)) __RENAME(__vfork14); 277 #endif 278 279 #ifndef __AUDIT__ 280 char *getwd __P((char *)); /* obsoleted by getcwd() */ 281 #endif 282 283 /* FIXME: this should go to <sys/time.h>! */ 284 #if __STDC__ 285 struct timeval; /* select(2) XXX */ 286 #endif 287 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 288 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 289 290 291 /* 292 * X/Open CAE Specification Issue 5 Version 2 293 */ 294 #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 295 ssize_t pread __P((int, void *, size_t, off_t)); 296 ssize_t pwrite __P((int, const void *, size_t, off_t)); 297 #endif 298 299 300 /* 301 * Implementation-defined extensions 302 */ 303 #if defined(_NETBSD_SOURCE) 304 int acct __P((const char *)); 305 int des_cipher __P((const char *, char *, long, int)); 306 int des_setkey __P((const char *)); 307 void endusershell __P((void)); 308 int exect __P((const char *, char * const *, char * const *)); 309 int fchroot __P((int)); 310 int getdomainname __P((char *, size_t)); 311 int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 312 mode_t getmode __P((const void *, mode_t)); 313 int getsubopt __P((char **, char * const *, char **)); 314 __aconst char *getusershell __P((void)); 315 int initgroups __P((const char *, gid_t)); 316 int iruserok __P((u_int32_t, int, const char *, const char *)); 317 int issetugid __P((void)); 318 int nfssvc __P((int, void *)); 319 int profil __P((char *, size_t, u_long, u_int)); 320 #ifndef __PSIGNAL_DECLARED 321 #define __PSIGNAL_DECLARED 322 /* also in signal.h */ 323 void psignal __P((unsigned int, const char *)); 324 #endif /* __PSIGNAL_DECLARED */ 325 int rcmd __P((char **, int, const char *, 326 const char *, const char *, int *)); 327 int reboot __P((int, char *)); 328 int revoke __P((const char *)); 329 int rresvport __P((int *)); 330 int ruserok __P((const char *, int, const char *, const char *)); 331 int setdomainname __P((const char *, size_t)); 332 int setgroups __P((int, const gid_t *)); 333 int sethostid __P((long)); 334 int sethostname __P((const char *, size_t)); 335 int setlogin __P((const char *)); 336 void *setmode __P((const char *)); 337 int setrgid __P((gid_t)); 338 int setruid __P((uid_t)); 339 void setusershell __P((void)); 340 void strmode __P((mode_t, char *)); 341 __aconst char *strsignal __P((int)); 342 int swapctl __P((int, const void *, int)); 343 int swapon __P((const char *)); /* obsoleted by swapctl() */ 344 int syscall __P((int, ...)); 345 quad_t __syscall __P((quad_t, ...)); 346 int undelete __P((const char *)); 347 348 #if 1 /*INET6*/ 349 int rcmd_af __P((char **, int, const char *, 350 const char *, const char *, int *, int)); 351 int rresvport_af __P((int *, int)); 352 int iruserok_sa __P((const void *, int, int, const char *, const char *)); 353 #endif 354 355 #ifndef __SYS_SIGLIST_DECLARED 356 #define __SYS_SIGLIST_DECLARED 357 /* also in signal.h */ 358 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 359 #endif /* __SYS_SIGLIST_DECLARED */ 360 extern int optreset; /* getopt(3) external variable */ 361 extern char *suboptarg; /* getsubopt(3) external variable */ 362 #endif 363 364 __END_DECLS 365 366 #endif /* !_UNISTD_H_ */ 367
Indexes created Mon Sep 29 18:09:42 GMT 2025