unistd.h revision 1.98
1 /* $NetBSD: unistd.h,v 1.98 2004/05/31 05:06:51 itojun 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 int closefrom __P((int)); 102 size_t confstr __P((int, char *, size_t)); 103 #ifndef __CUSERID_DECLARED 104 #define __CUSERID_DECLARED 105 /* also declared in stdio.h */ 106 char *cuserid __P((char *)); /* obsolete */ 107 #endif /* __CUSERID_DECLARED */ 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 __aconst 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 long pathconf __P((const char *, int)); 131 int pause __P((void)); 132 int pipe __P((int *)); 133 ssize_t read __P((int, void *, size_t)); 134 int rmdir __P((const char *)); 135 int setgid __P((gid_t)); 136 int setpgid __P((pid_t, pid_t)); 137 pid_t setsid __P((void)); 138 int setuid __P((uid_t)); 139 unsigned int sleep __P((unsigned int)); 140 long sysconf __P((int)); 141 pid_t tcgetpgrp __P((int)); 142 int tcsetpgrp __P((int, pid_t)); 143 __aconst char *ttyname __P((int)); 144 int unlink __P((const char *)); 145 ssize_t write __P((int, const void *, size_t)); 146 147 148 /* 149 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 150 */ 151 #if (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 || \ 152 defined(_NETBSD_SOURCE) 153 int getopt __P((int, char * const [], const char *)); 154 155 extern char *optarg; /* getopt(3) external variables */ 156 extern int opterr; 157 extern int optind; 158 extern int optopt; 159 #endif 160 161 /* 162 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 163 */ 164 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 165 defined(_NETBSD_SOURCE) 166 int setegid __P((gid_t)); 167 int seteuid __P((uid_t)); 168 #endif 169 170 /* 171 * The following three syscalls are also defined in <sys/types.h> 172 * We protect them against double declarations. 173 */ 174 #ifndef __OFF_T_SYSCALLS_DECLARED 175 #define __OFF_T_SYSCALLS_DECLARED 176 off_t lseek __P((int, off_t, int)); 177 int truncate __P((const char *, off_t)); 178 /* 179 * IEEE Std 1003.1b-93, 180 * also found in X/Open Portability Guide >= Issue 4 Verion 2 181 */ 182 #if (_POSIX_C_SOURCE - 0) >= 199309L || \ 183 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 184 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 185 int ftruncate __P((int, off_t)); 186 #endif 187 #endif /* __OFF_T_SYSCALLS_DECLARED */ 188 189 190 /* 191 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 192 */ 193 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 194 defined(_NETBSD_SOURCE) 195 int fdatasync __P((int)); 196 int fsync __P((int)); 197 #endif 198 199 200 /* 201 * X/Open Portability Guide, all issues 202 */ 203 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 204 int chroot __P((const char *)); 205 int nice __P((int)); 206 #endif 207 208 209 /* 210 * X/Open Portability Guide <= Issue 3 211 */ 212 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3 213 int rename __P((const char *, const char *)) __RENAME(__posix_rename); 214 #endif 215 216 217 /* 218 * X/Open Portability Guide >= Issue 4 219 */ 220 #if (_XOPEN_SOURCE - 0) >= 4 || defined(_NETBSD_SOURCE) 221 __aconst char *crypt __P((const char *, const char *)); 222 int encrypt __P((char *, int)); 223 char *getpass __P((const char *)); 224 pid_t getsid __P((pid_t)); 225 #endif 226 227 228 /* 229 * X/Open Portability Guide >= Issue 4 Version 2 230 */ 231 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 232 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 233 #ifndef intptr_t 234 typedef __intptr_t intptr_t; 235 #define intptr_t __intptr_t 236 #endif 237 238 #define F_ULOCK 0 239 #define F_LOCK 1 240 #define F_TLOCK 2 241 #define F_TEST 3 242 243 int brk __P((void *)); 244 int fchdir __P((int)); 245 #if defined(_XOPEN_SOURCE) 246 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 247 #else 248 int fchown __P((int, uid_t, gid_t)); 249 #endif 250 int getdtablesize __P((void)); 251 long gethostid __P((void)); 252 int gethostname __P((char *, size_t)); 253 __pure int 254 getpagesize __P((void)); /* legacy */ 255 pid_t getpgid __P((pid_t)); 256 #if defined(_XOPEN_SOURCE) 257 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 258 #else 259 int lchown __P((const char *, uid_t, gid_t)); 260 #endif 261 int lockf __P((int, int, off_t)); 262 ssize_t readlink __P((const char * __restrict, char * __restrict, size_t)); 263 void *sbrk __P((intptr_t)); 264 /* XXX prototype wrong! */ 265 int setpgrp __P((pid_t, pid_t)); /* obsoleted by setpgid() */ 266 int setregid __P((gid_t, gid_t)); 267 int setreuid __P((uid_t, uid_t)); 268 void swab __P((const void *, void *, size_t)); 269 int symlink __P((const char *, const char *)); 270 void sync __P((void)); 271 useconds_t ualarm __P((useconds_t, useconds_t)); 272 int usleep __P((useconds_t)); 273 #ifdef __LIBC12_SOURCE__ 274 pid_t vfork __P((void)); 275 pid_t __vfork14 __P((void)); 276 #else 277 pid_t vfork __P((void)) __RENAME(__vfork14); 278 #endif 279 280 #ifndef __AUDIT__ 281 char *getwd __P((char *)); /* obsoleted by getcwd() */ 282 #endif 283 284 /* FIXME: this should go to <sys/time.h>! */ 285 #if __STDC__ 286 struct timeval; /* select(2) XXX */ 287 #endif 288 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 289 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 290 291 292 /* 293 * X/Open CAE Specification Issue 5 Version 2 294 */ 295 #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 296 ssize_t pread __P((int, void *, size_t, off_t)); 297 ssize_t pwrite __P((int, const void *, size_t, off_t)); 298 #endif 299 300 301 /* 302 * Implementation-defined extensions 303 */ 304 #if defined(_NETBSD_SOURCE) 305 int acct __P((const char *)); 306 int des_cipher __P((const char *, char *, long, int)); 307 int des_setkey __P((const char *)); 308 void endusershell __P((void)); 309 int exect __P((const char *, char * const *, char * const *)); 310 int fchroot __P((int)); 311 int fsync_range __P((int, int, off_t, off_t)); 312 int getdomainname __P((char *, size_t)); 313 int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 314 mode_t getmode __P((const void *, mode_t)); 315 int getsubopt __P((char **, char * const *, char **)); 316 __aconst char *getusershell __P((void)); 317 int initgroups __P((const char *, gid_t)); 318 int iruserok __P((u_int32_t, int, const char *, const char *)); 319 int issetugid __P((void)); 320 int nfssvc __P((int, void *)); 321 int profil __P((char *, size_t, u_long, u_int)); 322 #ifndef __PSIGNAL_DECLARED 323 #define __PSIGNAL_DECLARED 324 /* also in signal.h */ 325 void psignal __P((unsigned int, const char *)); 326 #endif /* __PSIGNAL_DECLARED */ 327 int rcmd __P((char **, int, const char *, 328 const char *, const char *, int *)); 329 int reboot __P((int, char *)); 330 int revoke __P((const char *)); 331 int rresvport __P((int *)); 332 int ruserok __P((const char *, int, const char *, const char *)); 333 int setdomainname __P((const char *, size_t)); 334 int setgroups __P((int, const gid_t *)); 335 int sethostid __P((long)); 336 int sethostname __P((const char *, size_t)); 337 int setlogin __P((const char *)); 338 void *setmode __P((const char *)); 339 int setrgid __P((gid_t)); 340 int setruid __P((uid_t)); 341 void setusershell __P((void)); 342 void strmode __P((mode_t, char *)); 343 __aconst char *strsignal __P((int)); 344 int swapctl __P((int, const void *, int)); 345 int swapon __P((const char *)); /* obsoleted by swapctl() */ 346 int syscall __P((int, ...)); 347 quad_t __syscall __P((quad_t, ...)); 348 int undelete __P((const char *)); 349 350 #if 1 /*INET6*/ 351 int rcmd_af __P((char **, int, const char *, 352 const char *, const char *, int *, int)); 353 int rresvport_af __P((int *, int)); 354 int iruserok_sa __P((const void *, int, int, const char *, const char *)); 355 #endif 356 357 #ifndef __SYS_SIGLIST_DECLARED 358 #define __SYS_SIGLIST_DECLARED 359 /* also in signal.h */ 360 extern __const char *__const *sys_siglist __RENAME(__sys_siglist14); 361 #endif /* __SYS_SIGLIST_DECLARED */ 362 extern int optreset; /* getopt(3) external variable */ 363 extern char *suboptarg; /* getsubopt(3) external variable */ 364 #endif 365 366 __END_DECLS 367 368 #endif /* !_UNISTD_H_ */ 369
Indexes created Wed Oct 22 13:09:56 GMT 2025