1 /* $OpenBSD: unistd.h,v 1.111 2024/08/02 22:14:54 guenther Exp $ */ 2 /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ 3 4 /*- 5 * Copyright (c) 1991 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)unistd.h 5.13 (Berkeley) 6/17/91 33 */ 34 35 #ifndef _UNISTD_H_ 36 #define _UNISTD_H_ 37 38 #include <sys/_null.h> 39 #include <sys/types.h> 40 #include <sys/unistd.h> 41 42 #define STDIN_FILENO 0 /* standard input file descriptor */ 43 #define STDOUT_FILENO 1 /* standard output file descriptor */ 44 #define STDERR_FILENO 2 /* standard error file descriptor */ 45 46 #if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112 47 #define F_ULOCK 0 /* unlock locked section */ 48 #define F_LOCK 1 /* lock a section for exclusive use */ 49 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 50 #define F_TEST 3 /* test a section for locks by other procs */ 51 #endif 52 53 /* 54 * POSIX options and option groups we unconditionally do or don't 55 * implement. Please keep this list in alphabetical order. 56 * 57 * Anything which is defined as zero below **must** have an 58 * implementation for the corresponding sysconf() which is able to 59 * determine conclusively whether or not the feature is supported. 60 * Anything which is defined as other than -1 below **must** have 61 * complete headers, types, and function declarations as specified by 62 * the POSIX standard; however, if the relevant sysconf() function 63 * returns -1, the functions may be stubbed out. 64 */ 65 #define _POSIX_ADVISORY_INFO (-1) 66 #define _POSIX_ASYNCHRONOUS_IO (-1) 67 #define _POSIX_BARRIERS 200112L 68 #define _POSIX_CHOWN_RESTRICTED 1 69 #define _POSIX_CLOCK_SELECTION (-1) 70 #define _POSIX_CPUTIME 200809L 71 #define _POSIX_FSYNC 200112L 72 #define _POSIX_IPV6 0 73 #define _POSIX_JOB_CONTROL 1 74 #define _POSIX_MAPPED_FILES 200112L 75 #define _POSIX_MEMLOCK 200112L 76 #define _POSIX_MEMLOCK_RANGE 200112L 77 #define _POSIX_MEMORY_PROTECTION 200112L 78 #define _POSIX_MESSAGE_PASSING (-1) 79 #define _POSIX_MONOTONIC_CLOCK 200112L 80 #define _POSIX_NO_TRUNC 1 81 #define _POSIX_PRIORITIZED_IO (-1) 82 #define _POSIX_PRIORITY_SCHEDULING (-1) 83 #define _POSIX_RAW_SOCKETS 200112L 84 #define _POSIX_READER_WRITER_LOCKS 200112L 85 #define _POSIX_REALTIME_SIGNALS (-1) 86 #define _POSIX_REGEXP 1 87 #define _POSIX_SAVED_IDS 1 88 #define _POSIX_SEMAPHORES 200112L 89 #define _POSIX_SHARED_MEMORY_OBJECTS 200809L 90 #define _POSIX_SHELL 1 91 #define _POSIX_SPAWN 200112L 92 #define _POSIX_SPIN_LOCKS 200112L 93 #define _POSIX_SPORADIC_SERVER (-1) 94 #define _POSIX_SYNCHRONIZED_IO (-1) 95 #define _POSIX_THREAD_ATTR_STACKADDR 200112L 96 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L 97 #define _POSIX_THREAD_CPUTIME 200809L 98 #define _POSIX_THREAD_PRIO_INHERIT (-1) 99 #define _POSIX_THREAD_PRIO_PROTECT (-1) 100 #define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) 101 #define _POSIX_THREAD_PROCESS_SHARED (-1) 102 #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1) 103 #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1) 104 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L 105 #define _POSIX_THREAD_SPORADIC_SERVER (-1) 106 #define _POSIX_THREADS 200112L 107 #define _POSIX_TIMEOUTS 200112L 108 #define _POSIX_TIMERS (-1) 109 #define _POSIX_TRACE (-1) 110 #define _POSIX_TRACE_EVENT_FILTER (-1) 111 #define _POSIX_TRACE_INHERIT (-1) 112 #define _POSIX_TRACE_LOG (-1) 113 #define _POSIX_TYPED_MEMORY_OBJECTS (-1) 114 #define _POSIX2_C_BIND 200112L 115 #define _POSIX2_C_DEV (-1) /* need C99 utility */ 116 #define _POSIX2_CHAR_TERM 1 117 #define _POSIX2_FORT_DEV (-1) /* need fort77 utility */ 118 #define _POSIX2_FORT_RUN (-1) /* need asa utility */ 119 #define _POSIX2_LOCALEDEF (-1) 120 #define _POSIX2_PBS (-1) 121 #define _POSIX2_PBS_ACCOUNTING (-1) 122 #define _POSIX2_PBS_CHECKPOINT (-1) 123 #define _POSIX2_PBS_LOCATE (-1) 124 #define _POSIX2_PBS_MESSAGE (-1) 125 #define _POSIX2_PBS_TRACK (-1) 126 #define _POSIX2_SW_DEV 200112L 127 #define _POSIX2_UPE 200112L 128 #define _POSIX_V6_ILP32_OFF32 (-1) 129 #define _POSIX_V6_ILP32_OFFBIG 0 130 #define _POSIX_V6_LP64_OFF64 0 131 #define _POSIX_V6_LPBIG_OFFBIG 0 132 #define _POSIX_V7_ILP32_OFF32 (-1) 133 #define _POSIX_V7_ILP32_OFFBIG 0 134 #define _POSIX_V7_LP64_OFF64 0 135 #define _POSIX_V7_LPBIG_OFFBIG 0 136 137 #define _XOPEN_CRYPT 1 138 #define _XOPEN_ENH_I18N (-1) /* mandatory in XSI */ 139 #define _XOPEN_LEGACY (-1) 140 #define _XOPEN_REALTIME (-1) 141 #define _XOPEN_REALTIME_THREADS (-1) 142 #define _XOPEN_SHM 1 143 #define _XOPEN_STREAMS (-1) 144 #define _XOPEN_UUCP (-1) 145 #define _XOPEN_UNIX (-1) 146 147 /* Define the POSIX.2 version we target for compliance. */ 148 #define _POSIX2_VERSION 200809L 149 150 /* the sysconf(3) variable values are part of the ABI */ 151 152 /* configurable system variables */ 153 #define _SC_ARG_MAX 1 154 #define _SC_CHILD_MAX 2 155 #define _SC_CLK_TCK 3 156 #define _SC_NGROUPS_MAX 4 157 #define _SC_OPEN_MAX 5 158 #define _SC_JOB_CONTROL 6 159 #define _SC_SAVED_IDS 7 160 #define _SC_VERSION 8 161 #define _SC_BC_BASE_MAX 9 162 #define _SC_BC_DIM_MAX 10 163 #define _SC_BC_SCALE_MAX 11 164 #define _SC_BC_STRING_MAX 12 165 #define _SC_COLL_WEIGHTS_MAX 13 166 #define _SC_EXPR_NEST_MAX 14 167 #define _SC_LINE_MAX 15 168 #define _SC_RE_DUP_MAX 16 169 #define _SC_2_VERSION 17 170 #define _SC_2_C_BIND 18 171 #define _SC_2_C_DEV 19 172 #define _SC_2_CHAR_TERM 20 173 #define _SC_2_FORT_DEV 21 174 #define _SC_2_FORT_RUN 22 175 #define _SC_2_LOCALEDEF 23 176 #define _SC_2_SW_DEV 24 177 #define _SC_2_UPE 25 178 #define _SC_STREAM_MAX 26 179 #define _SC_TZNAME_MAX 27 180 #define _SC_PAGESIZE 28 181 #define _SC_PAGE_SIZE _SC_PAGESIZE /* 1170 compatibility */ 182 #define _SC_FSYNC 29 183 #define _SC_XOPEN_SHM 30 184 #define _SC_SEM_NSEMS_MAX 31 185 #define _SC_SEM_VALUE_MAX 32 186 #define _SC_HOST_NAME_MAX 33 187 #define _SC_MONOTONIC_CLOCK 34 188 #define _SC_2_PBS 35 189 #define _SC_2_PBS_ACCOUNTING 36 190 #define _SC_2_PBS_CHECKPOINT 37 191 #define _SC_2_PBS_LOCATE 38 192 #define _SC_2_PBS_MESSAGE 39 193 #define _SC_2_PBS_TRACK 40 194 #define _SC_ADVISORY_INFO 41 195 #define _SC_AIO_LISTIO_MAX 42 196 #define _SC_AIO_MAX 43 197 #define _SC_AIO_PRIO_DELTA_MAX 44 198 #define _SC_ASYNCHRONOUS_IO 45 199 #define _SC_ATEXIT_MAX 46 200 #define _SC_BARRIERS 47 201 #define _SC_CLOCK_SELECTION 48 202 #define _SC_CPUTIME 49 203 #define _SC_DELAYTIMER_MAX 50 204 #define _SC_IOV_MAX 51 205 #define _SC_IPV6 52 206 #define _SC_MAPPED_FILES 53 207 #define _SC_MEMLOCK 54 208 #define _SC_MEMLOCK_RANGE 55 209 #define _SC_MEMORY_PROTECTION 56 210 #define _SC_MESSAGE_PASSING 57 211 #define _SC_MQ_OPEN_MAX 58 212 #define _SC_MQ_PRIO_MAX 59 213 #define _SC_PRIORITIZED_IO 60 214 #define _SC_PRIORITY_SCHEDULING 61 215 #define _SC_RAW_SOCKETS 62 216 #define _SC_READER_WRITER_LOCKS 63 217 #define _SC_REALTIME_SIGNALS 64 218 #define _SC_REGEXP 65 219 #define _SC_RTSIG_MAX 66 220 #define _SC_SEMAPHORES 67 221 #define _SC_SHARED_MEMORY_OBJECTS 68 222 #define _SC_SHELL 69 223 #define _SC_SIGQUEUE_MAX 70 224 #define _SC_SPAWN 71 225 #define _SC_SPIN_LOCKS 72 226 #define _SC_SPORADIC_SERVER 73 227 #define _SC_SS_REPL_MAX 74 228 #define _SC_SYNCHRONIZED_IO 75 229 #define _SC_SYMLOOP_MAX 76 230 #define _SC_THREAD_ATTR_STACKADDR 77 231 #define _SC_THREAD_ATTR_STACKSIZE 78 232 #define _SC_THREAD_CPUTIME 79 233 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 80 234 #define _SC_THREAD_KEYS_MAX 81 235 #define _SC_THREAD_PRIO_INHERIT 82 236 #define _SC_THREAD_PRIO_PROTECT 83 237 #define _SC_THREAD_PRIORITY_SCHEDULING 84 238 #define _SC_THREAD_PROCESS_SHARED 85 239 #define _SC_THREAD_ROBUST_PRIO_INHERIT 86 240 #define _SC_THREAD_ROBUST_PRIO_PROTECT 87 241 #define _SC_THREAD_SPORADIC_SERVER 88 242 #define _SC_THREAD_STACK_MIN 89 243 #define _SC_THREAD_THREADS_MAX 90 244 #define _SC_THREADS 91 245 #define _SC_TIMEOUTS 92 246 #define _SC_TIMER_MAX 93 247 #define _SC_TIMERS 94 248 #define _SC_TRACE 95 249 #define _SC_TRACE_EVENT_FILTER 96 250 #define _SC_TRACE_EVENT_NAME_MAX 97 251 #define _SC_TRACE_INHERIT 98 252 #define _SC_TRACE_LOG 99 253 #define _SC_GETGR_R_SIZE_MAX 100 254 #define _SC_GETPW_R_SIZE_MAX 101 255 #define _SC_LOGIN_NAME_MAX 102 256 #define _SC_THREAD_SAFE_FUNCTIONS 103 257 #define _SC_TRACE_NAME_MAX 104 258 #define _SC_TRACE_SYS_MAX 105 259 #define _SC_TRACE_USER_EVENT_MAX 106 260 #define _SC_TTY_NAME_MAX 107 261 #define _SC_TYPED_MEMORY_OBJECTS 108 262 #define _SC_V6_ILP32_OFF32 109 263 #define _SC_V6_ILP32_OFFBIG 110 264 #define _SC_V6_LP64_OFF64 111 265 #define _SC_V6_LPBIG_OFFBIG 112 266 #define _SC_V7_ILP32_OFF32 113 267 #define _SC_V7_ILP32_OFFBIG 114 268 #define _SC_V7_LP64_OFF64 115 269 #define _SC_V7_LPBIG_OFFBIG 116 270 #define _SC_XOPEN_CRYPT 117 271 #define _SC_XOPEN_ENH_I18N 118 272 #define _SC_XOPEN_LEGACY 119 273 #define _SC_XOPEN_REALTIME 120 274 #define _SC_XOPEN_REALTIME_THREADS 121 275 #define _SC_XOPEN_STREAMS 122 276 #define _SC_XOPEN_UNIX 123 277 #define _SC_XOPEN_UUCP 124 278 #define _SC_XOPEN_VERSION 125 279 280 #define _SC_PHYS_PAGES 500 281 #define _SC_AVPHYS_PAGES 501 282 #define _SC_NPROCESSORS_CONF 502 283 #define _SC_NPROCESSORS_ONLN 503 284 285 /* configurable system strings */ 286 #define _CS_PATH 1 287 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 288 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 289 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 290 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 291 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 292 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 293 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 294 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 295 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 296 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 297 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 298 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 299 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 300 #define _CS_V6_ENV 15 301 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 16 302 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 17 303 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 18 304 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 19 305 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 20 306 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 21 307 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 22 308 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 23 309 #define _CS_POSIX_V7_LP64_OFF64_LIBS 24 310 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 25 311 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 26 312 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 27 313 #define _CS_POSIX_V7_THREADS_CFLAGS 28 314 #define _CS_POSIX_V7_THREADS_LDFLAGS 29 315 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 30 316 #define _CS_V7_ENV 31 317 318 #ifndef _INTPTR_T_DEFINED_ 319 #define _INTPTR_T_DEFINED_ 320 typedef __intptr_t intptr_t; 321 #endif 322 323 __BEGIN_DECLS 324 __dead void _exit(int); 325 int access(const char *, int); 326 unsigned int alarm(unsigned int); 327 int chdir(const char *); 328 int chown(const char *, uid_t, gid_t); 329 int close(int); 330 int dup(int); 331 int dup2(int, int); 332 int execl(const char *, const char *, ...) 333 __attribute__((__sentinel__)); 334 int execle(const char *, const char *, ...); 335 int execlp(const char *, const char *, ...) 336 __attribute__((__sentinel__)); 337 int execv(const char *, char *const *); 338 int execve(const char *, char *const *, char *const *); 339 int execvp(const char *, char *const *); 340 #if __BSD_VISIBLE 341 int execvpe(const char *, char *const *, char *const *); 342 #endif 343 pid_t fork(void); 344 long fpathconf(int, int); 345 char *getcwd(char *, size_t) 346 __attribute__((__bounded__(__string__,1,2))); 347 gid_t getegid(void); 348 uid_t geteuid(void); 349 gid_t getgid(void); 350 int getgroups(int, gid_t *); 351 char *getlogin(void); 352 pid_t getpgrp(void); 353 pid_t getpid(void); 354 pid_t getppid(void); 355 uid_t getuid(void); 356 int isatty(int); 357 int link(const char *, const char *); 358 off_t lseek(int, off_t, int); 359 long pathconf(const char *, int); 360 #if __BSD_VISIBLE 361 long pathconfat(int, const char *, int, int); 362 #endif 363 int pause(void); 364 int pipe(int *); 365 ssize_t read(int, void *, size_t) 366 __attribute__((__bounded__(__buffer__,2,3))); 367 int rmdir(const char *); 368 int setgid(gid_t); 369 int setuid(uid_t); 370 unsigned int sleep(unsigned int); 371 long sysconf(int); 372 pid_t tcgetpgrp(int); 373 int tcsetpgrp(int, pid_t); 374 char *ttyname(int); 375 int unlink(const char *); 376 ssize_t write(int, const void *, size_t) 377 __attribute__((__bounded__(__buffer__,2,3))); 378 379 #if __POSIX_VISIBLE || __XPG_VISIBLE >= 300 380 pid_t setsid(void); 381 int setpgid(pid_t, pid_t); 382 #endif 383 384 #if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE 385 size_t confstr(int, char *, size_t) 386 __attribute__((__bounded__(__string__,2,3))); 387 #ifndef _GETOPT_DEFINED_ 388 #define _GETOPT_DEFINED_ 389 int getopt(int, char * const *, const char *); 390 extern char *optarg; /* getopt(3) external variables */ 391 extern int opterr, optind, optopt, optreset; 392 #endif /* _GETOPT_DEFINED_ */ 393 #endif 394 395 #if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE 396 int fsync(int); 397 int ftruncate(int, off_t); 398 int getlogin_r(char *, size_t) 399 __attribute__((__bounded__(__string__,1,2))); 400 ssize_t readlink(const char * __restrict, char * __restrict, size_t) 401 __attribute__ ((__bounded__(__string__,2,3))); 402 #endif 403 #if __POSIX_VISIBLE >= 199506 404 int fdatasync(int); 405 #endif 406 407 #if __XPG_VISIBLE || __BSD_VISIBLE 408 char *crypt(const char *, const char *); 409 int fchdir(int); 410 int fchown(int, uid_t, gid_t); 411 long gethostid(void); 412 char *getwd(char *) 413 __attribute__ ((__bounded__(__minbytes__,1,1024))); 414 int lchown(const char *, uid_t, gid_t); 415 int mkstemp(char *); 416 char *mktemp(char *); 417 int nice(int); 418 int setregid(gid_t, gid_t); 419 int setreuid(uid_t, uid_t); 420 void swab(const void *__restrict, void *__restrict, ssize_t); 421 void sync(void); 422 int truncate(const char *, off_t); 423 useconds_t ualarm(useconds_t, useconds_t); 424 int usleep(useconds_t); 425 pid_t vfork(void); 426 #endif 427 428 #if __POSIX_VISIBLE >= 200809 || __XPG_VISIBLE >= 420 429 pid_t getpgid(pid_t); 430 pid_t getsid(pid_t); 431 #endif 432 433 #if __XPG_VISIBLE >= 500 434 ssize_t pread(int, void *, size_t, off_t) 435 __attribute__((__bounded__(__buffer__,2,3))); 436 ssize_t pwrite(int, const void *, size_t, off_t) 437 __attribute__((__bounded__(__buffer__,2,3))); 438 int ttyname_r(int, char *, size_t) 439 __attribute__((__bounded__(__string__,2,3))); 440 #endif 441 442 #if __BSD_VISIBLE || __XPG_VISIBLE <= 500 443 /* Interfaces withdrawn by X/Open Issue 5 Version 0 */ 444 int brk(void *); 445 int chroot(const char *); 446 int getdtablesize(void); 447 int getpagesize(void); 448 char *getpass(const char *); 449 void *sbrk(int); 450 #endif 451 452 #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 453 int lockf(int, int, off_t); 454 #endif 455 456 #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE 457 int symlink(const char *, const char *); 458 int gethostname(char *, size_t) 459 __attribute__ ((__bounded__(__string__,1,2))); 460 int setegid(gid_t); 461 int seteuid(uid_t); 462 #endif 463 464 #if __POSIX_VISIBLE >= 200809 465 int faccessat(int, const char *, int, int); 466 int fchownat(int, const char *, uid_t, gid_t, int); 467 int linkat(int, const char *, int, const char *, int); 468 ssize_t readlinkat(int, const char *, char *, size_t) 469 __attribute__ ((__bounded__(__string__,3,4))); 470 int symlinkat(const char *, int, const char *); 471 int unlinkat(int, const char *, int); 472 #endif 473 474 #if __POSIX_VISIBLE >= 202405 || __BSD_VISIBLE 475 int getentropy(void *, size_t); 476 #endif 477 #if __XPG_VISIBLE >= 800 || __BSD_VISIBLE 478 int getresgid(gid_t *, gid_t *, gid_t *); 479 int getresuid(uid_t *, uid_t *, uid_t *); 480 int setresgid(gid_t, gid_t, gid_t); 481 int setresuid(uid_t, uid_t, uid_t); 482 #endif 483 484 #if __BSD_VISIBLE 485 int dup3(int, int, int); 486 int pipe2(int [2], int); 487 #endif 488 489 #if __BSD_VISIBLE 490 int acct(const char *); 491 int closefrom(int); 492 int crypt_checkpass(const char *, const char *); 493 int crypt_newhash(const char *, const char *, char *, size_t); 494 void endusershell(void); 495 char *fflagstostr(u_int32_t); 496 int getdomainname(char *, size_t) 497 __attribute__ ((__bounded__(__string__,1,2))); 498 int getdtablecount(void); 499 int getgrouplist(const char *, gid_t, gid_t *, int *); 500 mode_t getmode(const void *, mode_t); 501 pid_t getthrid(void); 502 int getthrname(pid_t, char *, size_t); 503 char *getusershell(void); 504 int initgroups(const char *, gid_t); 505 int issetugid(void); 506 char *mkdtemp(char *); 507 int mkstemps(char *, int); 508 int nfssvc(int, void *); 509 int profil(char *, size_t, unsigned long, unsigned int) 510 __attribute__ ((__bounded__(__string__,1,2))); 511 int quotactl(const char *, int, int, char *); 512 int rcmd(char **, int, const char *, 513 const char *, const char *, int *); 514 int rcmd_af(char **, int, const char *, 515 const char *, const char *, int *, int); 516 int rcmdsh(char **, int, const char *, 517 const char *, const char *, char *); 518 int reboot(int); 519 int revoke(const char *); 520 int rresvport(int *); 521 int rresvport_af(int *, int); 522 int ruserok(const char *, int, const char *, const char *); 523 int setdomainname(const char *, size_t); 524 int setgroups(int, const gid_t *); 525 int sethostid(long); 526 int sethostname(const char *, size_t); 527 int setlogin(const char *); 528 void *setmode(const char *); 529 int setpgrp(pid_t _pid, pid_t _pgrp); /* BSD compat version */ 530 int setthrname(pid_t, const char *); 531 void setusershell(void); 532 int strtofflags(char **, u_int32_t *, u_int32_t *); 533 int swapctl(int cmd, const void *arg, int misc); 534 int pledge(const char *, const char *); 535 int unveil(const char *, const char *); 536 pid_t __tfork_thread(const struct __tfork *, size_t, void (*)(void *), 537 void *); 538 #endif /* __BSD_VISIBLE */ 539 __END_DECLS 540 541 #endif /* !_UNISTD_H_ */ 542