unistd.h revision 1.68
1 /* $NetBSD: unistd.h,v 1.68 1998/11/09 12:45:11 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/featuretest.h> 79 #include <sys/types.h> 80 #include <sys/unistd.h> 81 82 83 /* 84 * IEEE Std 1003.1-90 85 */ 86 #define STDIN_FILENO 0 /* standard input file descriptor */ 87 #define STDOUT_FILENO 1 /* standard output file descriptor */ 88 #define STDERR_FILENO 2 /* standard error file descriptor */ 89 90 #ifndef NULL 91 #define NULL 0 /* null pointer constant */ 92 #endif 93 94 __BEGIN_DECLS 95 __dead void _exit __P((int)) __attribute__((__noreturn__)); 96 int access __P((const char *, int)); 97 unsigned int alarm __P((unsigned int)); 98 int chdir __P((const char *)); 99 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 100 int chown __P((const char *, uid_t, gid_t)) __RENAME(__posix_chown); 101 #else 102 int chown __P((const char *, uid_t, gid_t)); 103 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 104 int close __P((int)); 105 size_t confstr __P((int, char *, size_t)); 106 char *cuserid __P((char *)); /* obsolete */ 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 off_t lseek __P((int, off_t, int)); 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 (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 152 (_POSIX_C_SOURCE - 0) >= 2 || (_XOPEN_SOURCE - 0) >= 4 153 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 /* 163 * IEEE Std 1003.1b-93, 164 * also found in X/Open Portability Guide >= Issue 4 Verion 2 165 */ 166 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 167 (_POSIX_C_SOURCE - 0) >= 199309L || \ 168 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 169 (_XOPEN_SOURCE - 0) >= 500 170 int ftruncate __P((int, off_t)); 171 #endif 172 173 174 /* 175 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 176 */ 177 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 178 (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 179 int fdatasync __P((int)); 180 int fsync __P((int)); 181 #endif 182 183 184 /* 185 * X/Open Portability Guide, all issues 186 */ 187 #if !defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 188 int chroot __P((const char *)); 189 int nice __P((int)); 190 #endif 191 192 193 /* 194 * X/Open Portability Guide <= Issue 3 195 */ 196 #if defined(_XOPEN_SOURCE) && (_XOPEN_SOURCE - 0) <= 3 197 int rename __P((const char *, const char *)) __RENAME(__posix_rename); 198 #endif 199 200 201 /* 202 * X/Open Portability Guide >= Issue 4 203 */ 204 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 205 (_XOPEN_SOURCE - 0) >= 4 206 __aconst char *crypt __P((const char *, const char *)); 207 int encrypt __P((char *, int)); 208 char *getpass __P((const char *)); 209 pid_t getsid __P((pid_t)); 210 #endif 211 212 213 /* 214 * X/Open Portability Guide >= Issue 4 Version 2 215 */ 216 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 217 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 218 (_XOPEN_SOURCE - 0) >= 500 219 #define F_ULOCK 0 220 #define F_LOCK 1 221 #define F_TLOCK 2 222 #define F_TEST 3 223 224 char *brk __P((const char *)); 225 int fchdir __P((int)); 226 #if defined(_XOPEN_SOURCE) 227 int fchown __P((int, uid_t, gid_t)) __RENAME(__posix_fchown); 228 #else 229 int fchown __P((int, uid_t, gid_t)); 230 #endif 231 int getdtablesize __P((void)); 232 long gethostid __P((void)); 233 int gethostname __P((char *, size_t)); 234 __pure int 235 getpagesize __P((void)); /* legacy */ 236 pid_t getpgid __P((pid_t)); 237 #if defined(_XOPEN_SOURCE) 238 int lchown __P((const char *, uid_t, gid_t)) __RENAME(__posix_lchown); 239 #else 240 int lchown __P((const char *, uid_t, gid_t)); 241 #endif 242 int lockf __P((int, int, off_t)); 243 int readlink __P((const char *, char *, size_t)); 244 char *sbrk __P((int)); 245 /* XXX prototype wrong! */ 246 int setpgrp __P((pid_t pid, pid_t pgrp)); /* obsoleted by setpgid() */ 247 int setregid __P((gid_t, gid_t)); 248 int setreuid __P((uid_t, uid_t)); 249 void swab __P((const void *, void *, size_t)); 250 int symlink __P((const char *, const char *)); 251 void sync __P((void)); 252 int truncate __P((const char *, off_t)); 253 useconds_t ualarm __P((useconds_t, useconds_t)); 254 int usleep __P((useconds_t)); 255 #ifdef __LIBC12_SOURCE__ 256 pid_t vfork __P((void)); 257 pid_t __vfork14 __P((void)); 258 #else 259 pid_t vfork __P((void)) __RENAME(__vfork14); 260 #endif 261 262 #ifndef __AUDIT__ 263 char *getwd __P((char *)); /* obsoleted by getcwd() */ 264 #endif 265 266 /* FIXME: this should go to <sys/time.h>! */ 267 #ifdef __STDC__ 268 struct timeval; /* select(2) XXX */ 269 #endif 270 int select __P((int, fd_set *, fd_set *, fd_set *, struct timeval *)); 271 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 272 273 274 /* 275 * X/Open CAE Specification Issue 5 Version 2 276 */ 277 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 278 (_XOPEN_SOURCE - 0) >= 500 279 ssize_t pread __P((int, void *, size_t, off_t)); 280 ssize_t pwrite __P((int, const void *, size_t, off_t)); 281 #endif 282 283 284 /* 285 * Implementation-defined extensions 286 */ 287 #if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) 288 int acct __P((const char *)); 289 int des_cipher __P((const char *, char *, long, int)); 290 int des_setkey __P((const char *key)); 291 void endusershell __P((void)); 292 int exect __P((const char *, char * const *, char * const *)); 293 int getdomainname __P((char *, size_t)); 294 int getgrouplist __P((const char *, gid_t, gid_t *, int *)); 295 mode_t getmode __P((const void *, mode_t)); 296 int getsubopt __P((char **, char * const *, char **)); 297 __aconst char *getusershell __P((void)); 298 int initgroups __P((const char *, gid_t)); 299 int iruserok __P((u_int32_t, int, const char *, const char *)); 300 int nfssvc __P((int, void *)); 301 int profil __P((char *, size_t, u_long, u_int)); 302 void psignal __P((unsigned int, const char *)); 303 int rcmd __P((char **, int, const char *, 304 const char *, const char *, int *)); 305 int reboot __P((int, char *)); 306 int revoke __P((const char *)); 307 int rresvport __P((int *)); 308 int ruserok __P((const char *, int, const char *, const char *)); 309 int setdomainname __P((const char *, size_t)); 310 int setegid __P((gid_t)); 311 int seteuid __P((uid_t)); 312 int setgroups __P((int, const gid_t *)); 313 int sethostid __P((long)); 314 int sethostname __P((const char *, size_t)); 315 int setlogin __P((const char *)); 316 void *setmode __P((const char *)); 317 int setrgid __P((gid_t)); 318 int setruid __P((uid_t)); 319 void setusershell __P((void)); 320 void strmode __P((mode_t, char *)); 321 __aconst char *strsignal __P((int)); 322 int swapctl __P((int, const void *, int)); 323 int swapon __P((const char *)); /* obsoleted by swapctl() */ 324 int syscall __P((int, ...)); 325 quad_t __syscall __P((quad_t, ...)); 326 int undelete __P((const char *)); 327 int unwhiteout __P((const char *)); 328 329 extern __const char *__const sys_siglist[]; 330 extern int optreset; /* getopt(3) external variable */ 331 extern char *suboptarg; /* getsubopt(3) external variable */ 332 #endif 333 334 __END_DECLS 335 336 #endif /* !_UNISTD_H_ */ 337
Indexes created Sun Sep 28 12:09:53 GMT 2025