unistd.h revision 1.117
1 /* $NetBSD: unistd.h,v 1.117 2008/06/25 11:10:25 ad Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2008 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1991, 1993, 1994 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 61 */ 62 63 #ifndef _UNISTD_H_ 64 #define _UNISTD_H_ 65 66 #include <machine/ansi.h> 67 #include <machine/int_types.h> 68 #include <sys/cdefs.h> 69 #include <sys/featuretest.h> 70 #include <sys/types.h> 71 #include <sys/unistd.h> 72 73 74 /* 75 * IEEE Std 1003.1-90 76 */ 77 #define STDIN_FILENO 0 /* standard input file descriptor */ 78 #define STDOUT_FILENO 1 /* standard output file descriptor */ 79 #define STDERR_FILENO 2 /* standard error file descriptor */ 80 81 #include <sys/null.h> 82 83 __BEGIN_DECLS 84 __dead void _exit(int); 85 int access(const char *, int); 86 unsigned int alarm(unsigned int); 87 int chdir(const char *); 88 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 89 int chown(const char *, uid_t, gid_t) __RENAME(__posix_chown); 90 #else 91 int chown(const char *, uid_t, gid_t); 92 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 93 int close(int); 94 size_t confstr(int, char *, size_t); 95 #ifndef __CUSERID_DECLARED 96 #define __CUSERID_DECLARED 97 /* also declared in stdio.h */ 98 char *cuserid(char *); /* obsolete */ 99 #endif /* __CUSERID_DECLARED */ 100 int dup(int); 101 int dup2(int, int); 102 int execl(const char *, const char *, ...); 103 int execle(const char *, const char *, ...); 104 int execlp(const char *, const char *, ...); 105 int execv(const char *, char * const *); 106 int execve(const char *, char * const *, char * const *); 107 int execvp(const char *, char * const *); 108 pid_t fork(void); 109 long fpathconf(int, int); 110 char *getcwd(char *, size_t); 111 gid_t getegid(void); 112 uid_t geteuid(void); 113 gid_t getgid(void); 114 int getgroups(int, gid_t []); 115 __aconst char *getlogin(void); 116 int getlogin_r(char *, int); 117 pid_t getpgrp(void); 118 pid_t getpid(void); 119 pid_t getppid(void); 120 uid_t getuid(void); 121 int isatty(int); 122 int link(const char *, const char *); 123 long pathconf(const char *, int); 124 int pause(void); 125 int pipe(int *); 126 ssize_t read(int, void *, size_t); 127 int rmdir(const char *); 128 int setgid(gid_t); 129 int setpgid(pid_t, pid_t); 130 pid_t setsid(void); 131 int setuid(uid_t); 132 unsigned int sleep(unsigned int); 133 long sysconf(int); 134 pid_t tcgetpgrp(int); 135 int tcsetpgrp(int, pid_t); 136 __aconst char *ttyname(int); 137 int unlink(const char *); 138 ssize_t write(int, const void *, size_t); 139 140 141 /* 142 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 143 */ 144 #if (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE) || \ 145 defined(_NETBSD_SOURCE) 146 int getopt(int, char * const [], const char *); 147 148 extern char *optarg; /* getopt(3) external variables */ 149 extern int opterr; 150 extern int optind; 151 extern int optopt; 152 #endif 153 154 /* 155 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 156 */ 157 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 158 defined(_NETBSD_SOURCE) 159 int setegid(gid_t); 160 int seteuid(uid_t); 161 #endif 162 163 /* 164 * The following three syscalls are also defined in <sys/types.h> 165 * We protect them against double declarations. 166 */ 167 #ifndef __OFF_T_SYSCALLS_DECLARED 168 #define __OFF_T_SYSCALLS_DECLARED 169 off_t lseek(int, off_t, int); 170 int truncate(const char *, off_t); 171 /* 172 * IEEE Std 1003.1b-93, 173 * also found in X/Open Portability Guide >= Issue 4 Verion 2 174 */ 175 #if (_POSIX_C_SOURCE - 0) >= 199309L || \ 176 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 177 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 178 int ftruncate(int, off_t); 179 #endif 180 #endif /* __OFF_T_SYSCALLS_DECLARED */ 181 182 183 /* 184 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 185 */ 186 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 187 defined(_NETBSD_SOURCE) 188 int fdatasync(int); 189 int fsync(int); 190 #endif 191 192 193 /* 194 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 195 */ 196 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 197 defined(_REENTRANT) || defined(_NETBSD_SOURCE) 198 int ttyname_r(int, char *, size_t); 199 #endif 200 201 /* 202 * X/Open Portability Guide, all issues 203 */ 204 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 205 int chroot(const char *); 206 int nice(int); 207 #endif 208 209 210 /* 211 * X/Open Portability Guide >= Issue 4 212 */ 213 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 214 __aconst char *crypt(const char *, const char *); 215 int encrypt(char *, int); 216 char *getpass(const char *); 217 pid_t getsid(pid_t); 218 #endif 219 220 221 /* 222 * X/Open Portability Guide >= Issue 4 Version 2 223 */ 224 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 225 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 226 #ifndef intptr_t 227 typedef __intptr_t intptr_t; 228 #define intptr_t __intptr_t 229 #endif 230 231 #define F_ULOCK 0 232 #define F_LOCK 1 233 #define F_TLOCK 2 234 #define F_TEST 3 235 236 int brk(void *); 237 int fchdir(int); 238 #if defined(_XOPEN_SOURCE) 239 int fchown(int, uid_t, gid_t) __RENAME(__posix_fchown); 240 #else 241 int fchown(int, uid_t, gid_t); 242 #endif 243 int getdtablesize(void); 244 long gethostid(void); 245 int gethostname(char *, size_t); 246 __pure int 247 getpagesize(void); /* legacy */ 248 pid_t getpgid(pid_t); 249 #if defined(_XOPEN_SOURCE) 250 int lchown(const char *, uid_t, gid_t) __RENAME(__posix_lchown); 251 #else 252 int lchown(const char *, uid_t, gid_t); 253 #endif 254 int lockf(int, int, off_t); 255 ssize_t readlink(const char * __restrict, char * __restrict, size_t); 256 void *sbrk(intptr_t); 257 /* XXX prototype wrong! */ 258 int setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */ 259 int setregid(gid_t, gid_t); 260 int setreuid(uid_t, uid_t); 261 void swab(const void *, void *, size_t); 262 int symlink(const char *, const char *); 263 void sync(void); 264 useconds_t ualarm(useconds_t, useconds_t); 265 int usleep(useconds_t); 266 #ifndef __LIBC12_SOURCE__ 267 pid_t vfork(void) __RENAME(__vfork14); 268 #endif 269 270 #ifndef __AUDIT__ 271 char *getwd(char *); /* obsoleted by getcwd() */ 272 #endif 273 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 274 275 276 /* 277 * X/Open CAE Specification Issue 5 Version 2 278 */ 279 #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 280 ssize_t pread(int, void *, size_t, off_t); 281 ssize_t pwrite(int, const void *, size_t, off_t); 282 #endif 283 284 285 /* 286 * Implementation-defined extensions 287 */ 288 #if defined(_NETBSD_SOURCE) 289 int acct(const char *); 290 int closefrom(int); 291 int des_cipher(const char *, char *, long, int); 292 int des_setkey(const char *); 293 void endusershell(void); 294 int exect(const char *, char * const *, char * const *); 295 int fchroot(int); 296 int fsync_range(int, int, off_t, off_t); 297 int getdomainname(char *, size_t); 298 int getgrouplist(const char *, gid_t, gid_t *, int *); 299 int getgroupmembership(const char *, gid_t, gid_t *, int, int *); 300 mode_t getmode(const void *, mode_t); 301 int getpeereid(int, uid_t *, gid_t *); 302 int getsubopt(char **, char * const *, char **); 303 __aconst char *getusershell(void); 304 int initgroups(const char *, gid_t); 305 int iruserok(uint32_t, int, const char *, const char *); 306 int issetugid(void); 307 int nfssvc(int, void *); 308 int profil(char *, size_t, u_long, u_int); 309 #ifndef __PSIGNAL_DECLARED 310 #define __PSIGNAL_DECLARED 311 /* also in signal.h */ 312 void psignal(unsigned int, const char *); 313 #endif /* __PSIGNAL_DECLARED */ 314 int rcmd(char **, int, const char *, const char *, const char *, int *); 315 int reboot(int, char *); 316 int revoke(const char *); 317 int rresvport(int *); 318 int ruserok(const char *, int, const char *, const char *); 319 int setdomainname(const char *, size_t); 320 int setgroups(int, const gid_t *); 321 int sethostid(long); 322 int sethostname(const char *, size_t); 323 int setlogin(const char *); 324 void *setmode(const char *); 325 int setrgid(gid_t); 326 int setruid(uid_t); 327 void setusershell(void); 328 void strmode(mode_t, char *); 329 __aconst char *strsignal(int); 330 int swapctl(int, void *, int); 331 int swapon(const char *); /* obsoleted by swapctl() */ 332 int syscall(int, ...); 333 quad_t __syscall(quad_t, ...); 334 int undelete(const char *); 335 336 #if 1 /*INET6*/ 337 int rcmd_af(char **, int, const char *, 338 const char *, const char *, int *, int); 339 int rresvport_af(int *, int); 340 int iruserok_sa(const void *, int, int, const char *, const char *); 341 #endif 342 343 #ifndef __SYS_SIGLIST_DECLARED 344 #define __SYS_SIGLIST_DECLARED 345 /* also in signal.h */ 346 extern const char *const *sys_siglist __RENAME(__sys_siglist14); 347 #endif /* __SYS_SIGLIST_DECLARED */ 348 extern int optreset; /* getopt(3) external variable */ 349 extern char *suboptarg; /* getsubopt(3) external variable */ 350 #endif 351 352 __END_DECLS 353 354 #if _FORTIFY_SOURCE > 0 355 #include <ssp/unistd.h> 356 #endif 357 #endif /* !_UNISTD_H_ */ 358
Indexes created Fri Sep 26 08:10:20 GMT 2025