1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1991, 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 32 * $FreeBSD$ 33 */ 34 35 #ifndef _UNISTD_H_ 36 #define _UNISTD_H_ 37 38 #include <sys/cdefs.h> 39 #include <sys/types.h> /* XXX adds too much pollution. */ 40 #include <sys/unistd.h> 41 #include <sys/_null.h> 42 #include <sys/_types.h> 43 44 #ifndef _GID_T_DECLARED 45 typedef __gid_t gid_t; 46 #define _GID_T_DECLARED 47 #endif 48 49 #ifndef _OFF_T_DECLARED 50 typedef __off_t off_t; 51 #define _OFF_T_DECLARED 52 #endif 53 54 #ifndef _PID_T_DECLARED 55 typedef __pid_t pid_t; 56 #define _PID_T_DECLARED 57 #endif 58 59 #ifndef _SIZE_T_DECLARED 60 typedef __size_t size_t; 61 #define _SIZE_T_DECLARED 62 #endif 63 64 #ifndef _SSIZE_T_DECLARED 65 typedef __ssize_t ssize_t; 66 #define _SSIZE_T_DECLARED 67 #endif 68 69 #ifndef _UID_T_DECLARED 70 typedef __uid_t uid_t; 71 #define _UID_T_DECLARED 72 #endif 73 74 #ifndef _USECONDS_T_DECLARED 75 typedef __useconds_t useconds_t; 76 #define _USECONDS_T_DECLARED 77 #endif 78 79 #define STDIN_FILENO 0 /* standard input file descriptor */ 80 #define STDOUT_FILENO 1 /* standard output file descriptor */ 81 #define STDERR_FILENO 2 /* standard error file descriptor */ 82 83 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 84 #define F_ULOCK 0 /* unlock locked section */ 85 #define F_LOCK 1 /* lock a section for exclusive use */ 86 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 87 #define F_TEST 3 /* test a section for locks by other procs */ 88 #endif 89 90 /* 91 * POSIX options and option groups we unconditionally do or don't 92 * implement. This list includes those options which are exclusively 93 * implemented (or not) in user mode. Please keep this list in 94 * alphabetical order. 95 * 96 * Anything which is defined as zero below **must** have an 97 * implementation for the corresponding sysconf() which is able to 98 * determine conclusively whether or not the feature is supported. 99 * Anything which is defined as other than -1 below **must** have 100 * complete headers, types, and function declarations as specified by 101 * the POSIX standard; however, if the relevant sysconf() function 102 * returns -1, the functions may be stubbed out. 103 */ 104 #define _POSIX_BARRIERS 200112L 105 #define _POSIX_CPUTIME 200112L 106 #define _POSIX_READER_WRITER_LOCKS 200112L 107 #define _POSIX_REGEXP 1 108 #define _POSIX_SHELL 1 109 #define _POSIX_SPAWN 200112L 110 #define _POSIX_SPIN_LOCKS 200112L 111 #define _POSIX_THREAD_ATTR_STACKADDR 200112L 112 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L 113 #define _POSIX_THREAD_CPUTIME 200112L 114 #define _POSIX_THREAD_PRIO_INHERIT 200112L 115 #define _POSIX_THREAD_PRIO_PROTECT 200112L 116 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 117 #define _POSIX_THREAD_PROCESS_SHARED 200112L 118 #define _POSIX_THREAD_SAFE_FUNCTIONS -1 119 #define _POSIX_THREAD_SPORADIC_SERVER -1 120 #define _POSIX_THREADS 200112L 121 #define _POSIX_TRACE -1 122 #define _POSIX_TRACE_EVENT_FILTER -1 123 #define _POSIX_TRACE_INHERIT -1 124 #define _POSIX_TRACE_LOG -1 125 #define _POSIX2_C_BIND 200112L /* mandatory */ 126 #define _POSIX2_C_DEV -1 /* need c99 utility */ 127 #define _POSIX2_CHAR_TERM 1 128 #define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 129 #define _POSIX2_FORT_RUN 200112L 130 #define _POSIX2_LOCALEDEF -1 131 #define _POSIX2_PBS -1 132 #define _POSIX2_PBS_ACCOUNTING -1 133 #define _POSIX2_PBS_CHECKPOINT -1 134 #define _POSIX2_PBS_LOCATE -1 135 #define _POSIX2_PBS_MESSAGE -1 136 #define _POSIX2_PBS_TRACK -1 137 #define _POSIX2_SW_DEV -1 /* XXX ??? */ 138 #define _POSIX2_UPE 200112L 139 #define _V6_ILP32_OFF32 -1 140 #define _V6_ILP32_OFFBIG 0 141 #define _V6_LP64_OFF64 0 142 #define _V6_LPBIG_OFFBIG -1 143 144 #if __XSI_VISIBLE 145 #define _XOPEN_CRYPT -1 /* XXX ??? */ 146 #define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 147 #define _XOPEN_LEGACY -1 148 #define _XOPEN_REALTIME -1 149 #define _XOPEN_REALTIME_THREADS -1 150 #define _XOPEN_UNIX -1 151 #endif 152 153 /* Define the POSIX.2 version we target for compliance. */ 154 #define _POSIX2_VERSION 199212L 155 156 /* 157 * POSIX-style system configuration variable accessors (for the 158 * sysconf function). The kernel does not directly implement the 159 * sysconf() interface; rather, a C library stub translates references 160 * to sysconf() into calls to sysctl() using a giant switch statement. 161 * Those that are marked `user' are implemented entirely in the C 162 * library and never query the kernel. pathconf() is implemented 163 * directly by the kernel so those are not defined here. 164 */ 165 #define _SC_ARG_MAX 1 166 #define _SC_CHILD_MAX 2 167 #define _SC_CLK_TCK 3 168 #define _SC_NGROUPS_MAX 4 169 #define _SC_OPEN_MAX 5 170 #define _SC_JOB_CONTROL 6 171 #define _SC_SAVED_IDS 7 172 #define _SC_VERSION 8 173 #define _SC_BC_BASE_MAX 9 /* user */ 174 #define _SC_BC_DIM_MAX 10 /* user */ 175 #define _SC_BC_SCALE_MAX 11 /* user */ 176 #define _SC_BC_STRING_MAX 12 /* user */ 177 #define _SC_COLL_WEIGHTS_MAX 13 /* user */ 178 #define _SC_EXPR_NEST_MAX 14 /* user */ 179 #define _SC_LINE_MAX 15 /* user */ 180 #define _SC_RE_DUP_MAX 16 /* user */ 181 #define _SC_2_VERSION 17 /* user */ 182 #define _SC_2_C_BIND 18 /* user */ 183 #define _SC_2_C_DEV 19 /* user */ 184 #define _SC_2_CHAR_TERM 20 /* user */ 185 #define _SC_2_FORT_DEV 21 /* user */ 186 #define _SC_2_FORT_RUN 22 /* user */ 187 #define _SC_2_LOCALEDEF 23 /* user */ 188 #define _SC_2_SW_DEV 24 /* user */ 189 #define _SC_2_UPE 25 /* user */ 190 #define _SC_STREAM_MAX 26 /* user */ 191 #define _SC_TZNAME_MAX 27 /* user */ 192 193 #if __POSIX_VISIBLE >= 199309 194 #define _SC_ASYNCHRONOUS_IO 28 195 #define _SC_MAPPED_FILES 29 196 #define _SC_MEMLOCK 30 197 #define _SC_MEMLOCK_RANGE 31 198 #define _SC_MEMORY_PROTECTION 32 199 #define _SC_MESSAGE_PASSING 33 200 #define _SC_PRIORITIZED_IO 34 201 #define _SC_PRIORITY_SCHEDULING 35 202 #define _SC_REALTIME_SIGNALS 36 203 #define _SC_SEMAPHORES 37 204 #define _SC_FSYNC 38 205 #define _SC_SHARED_MEMORY_OBJECTS 39 206 #define _SC_SYNCHRONIZED_IO 40 207 #define _SC_TIMERS 41 208 #define _SC_AIO_LISTIO_MAX 42 209 #define _SC_AIO_MAX 43 210 #define _SC_AIO_PRIO_DELTA_MAX 44 211 #define _SC_DELAYTIMER_MAX 45 212 #define _SC_MQ_OPEN_MAX 46 213 #define _SC_PAGESIZE 47 214 #define _SC_RTSIG_MAX 48 215 #define _SC_SEM_NSEMS_MAX 49 216 #define _SC_SEM_VALUE_MAX 50 217 #define _SC_SIGQUEUE_MAX 51 218 #define _SC_TIMER_MAX 52 219 #endif 220 221 #if __POSIX_VISIBLE >= 200112 222 #define _SC_2_PBS 59 /* user */ 223 #define _SC_2_PBS_ACCOUNTING 60 /* user */ 224 #define _SC_2_PBS_CHECKPOINT 61 /* user */ 225 #define _SC_2_PBS_LOCATE 62 /* user */ 226 #define _SC_2_PBS_MESSAGE 63 /* user */ 227 #define _SC_2_PBS_TRACK 64 /* user */ 228 #define _SC_ADVISORY_INFO 65 229 #define _SC_BARRIERS 66 /* user */ 230 #define _SC_CLOCK_SELECTION 67 231 #define _SC_CPUTIME 68 232 #define _SC_FILE_LOCKING 69 233 #define _SC_GETGR_R_SIZE_MAX 70 /* user */ 234 #define _SC_GETPW_R_SIZE_MAX 71 /* user */ 235 #define _SC_HOST_NAME_MAX 72 236 #define _SC_LOGIN_NAME_MAX 73 237 #define _SC_MONOTONIC_CLOCK 74 238 #define _SC_MQ_PRIO_MAX 75 239 #define _SC_READER_WRITER_LOCKS 76 /* user */ 240 #define _SC_REGEXP 77 /* user */ 241 #define _SC_SHELL 78 /* user */ 242 #define _SC_SPAWN 79 /* user */ 243 #define _SC_SPIN_LOCKS 80 /* user */ 244 #define _SC_SPORADIC_SERVER 81 245 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 246 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 247 #define _SC_THREAD_CPUTIME 84 /* user */ 248 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 249 #define _SC_THREAD_KEYS_MAX 86 /* user */ 250 #define _SC_THREAD_PRIO_INHERIT 87 /* user */ 251 #define _SC_THREAD_PRIO_PROTECT 88 /* user */ 252 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 253 #define _SC_THREAD_PROCESS_SHARED 90 /* user */ 254 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 255 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 256 #define _SC_THREAD_STACK_MIN 93 /* user */ 257 #define _SC_THREAD_THREADS_MAX 94 /* user */ 258 #define _SC_TIMEOUTS 95 /* user */ 259 #define _SC_THREADS 96 /* user */ 260 #define _SC_TRACE 97 /* user */ 261 #define _SC_TRACE_EVENT_FILTER 98 /* user */ 262 #define _SC_TRACE_INHERIT 99 /* user */ 263 #define _SC_TRACE_LOG 100 /* user */ 264 #define _SC_TTY_NAME_MAX 101 /* user */ 265 #define _SC_TYPED_MEMORY_OBJECTS 102 266 #define _SC_V6_ILP32_OFF32 103 /* user */ 267 #define _SC_V6_ILP32_OFFBIG 104 /* user */ 268 #define _SC_V6_LP64_OFF64 105 /* user */ 269 #define _SC_V6_LPBIG_OFFBIG 106 /* user */ 270 #define _SC_IPV6 118 271 #define _SC_RAW_SOCKETS 119 272 #define _SC_SYMLOOP_MAX 120 273 #endif 274 275 #if __XSI_VISIBLE 276 #define _SC_ATEXIT_MAX 107 /* user */ 277 #define _SC_IOV_MAX 56 278 #define _SC_PAGE_SIZE _SC_PAGESIZE 279 #define _SC_XOPEN_CRYPT 108 /* user */ 280 #define _SC_XOPEN_ENH_I18N 109 /* user */ 281 #define _SC_XOPEN_LEGACY 110 /* user */ 282 #define _SC_XOPEN_REALTIME 111 283 #define _SC_XOPEN_REALTIME_THREADS 112 284 #define _SC_XOPEN_SHM 113 285 #define _SC_XOPEN_STREAMS 114 286 #define _SC_XOPEN_UNIX 115 287 #define _SC_XOPEN_VERSION 116 288 #define _SC_XOPEN_XCU_VERSION 117 /* user */ 289 #endif 290 291 #if __BSD_VISIBLE 292 #define _SC_NPROCESSORS_CONF 57 293 #define _SC_NPROCESSORS_ONLN 58 294 #define _SC_CPUSET_SIZE 122 295 #endif 296 297 /* Extensions found in Solaris and Linux. */ 298 #define _SC_PHYS_PAGES 121 299 300 /* Keys for the confstr(3) function. */ 301 #if __POSIX_VISIBLE >= 199209 302 #define _CS_PATH 1 /* default value of PATH */ 303 #endif 304 305 #if __POSIX_VISIBLE >= 200112 306 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 307 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 308 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 309 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 310 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 311 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 312 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 313 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 314 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 315 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 316 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 317 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 318 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 319 #endif 320 321 __BEGIN_DECLS 322 /* 1003.1-1990 */ 323 void _exit(int) __dead2; 324 int access(const char *, int); 325 unsigned int alarm(unsigned int); 326 int chdir(const char *); 327 int chown(const char *, uid_t, gid_t); 328 int close(int); 329 void closefrom(int); 330 int dup(int); 331 int dup2(int, int); 332 int execl(const char *, const char *, ...) __null_sentinel; 333 int execle(const char *, const char *, ...); 334 int execlp(const char *, const char *, ...) __null_sentinel; 335 int execv(const char *, char * const *); 336 int execve(const char *, char * const *, char * const *); 337 int execvp(const char *, char * const *); 338 pid_t fork(void); 339 long fpathconf(int, int); 340 char *getcwd(char *, size_t); 341 gid_t getegid(void); 342 uid_t geteuid(void); 343 gid_t getgid(void); 344 int getgroups(int, gid_t []); 345 char *getlogin(void); 346 pid_t getpgrp(void); 347 pid_t getpid(void); 348 pid_t getppid(void); 349 uid_t getuid(void); 350 int isatty(int); 351 int link(const char *, const char *); 352 #ifndef _LSEEK_DECLARED 353 #define _LSEEK_DECLARED 354 off_t lseek(int, off_t, int); 355 #endif 356 long pathconf(const char *, int); 357 int pause(void); 358 int pipe(int *); 359 ssize_t read(int, void *, size_t); 360 int rmdir(const char *); 361 int setgid(gid_t); 362 int setpgid(pid_t, pid_t); 363 pid_t setsid(void); 364 int setuid(uid_t); 365 unsigned int sleep(unsigned int); 366 long sysconf(int); 367 pid_t tcgetpgrp(int); 368 int tcsetpgrp(int, pid_t); 369 char *ttyname(int); 370 int ttyname_r(int, char *, size_t); 371 int unlink(const char *); 372 ssize_t write(int, const void *, size_t); 373 374 /* 1003.2-1992 */ 375 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 376 size_t confstr(int, char *, size_t); 377 #ifndef _GETOPT_DECLARED 378 #define _GETOPT_DECLARED 379 int getopt(int, char * const [], const char *); 380 381 extern char *optarg; /* getopt(3) external variables */ 382 extern int optind, opterr, optopt; 383 #endif /* _GETOPT_DECLARED */ 384 #endif 385 386 /* ISO/IEC 9945-1: 1996 */ 387 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 388 int fsync(int); 389 int fdatasync(int); 390 391 /* 392 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 393 * memory), but truncate() was not. 394 */ 395 #ifndef _FTRUNCATE_DECLARED 396 #define _FTRUNCATE_DECLARED 397 int ftruncate(int, off_t); 398 #endif 399 #endif 400 401 #if __POSIX_VISIBLE >= 199506 402 int getlogin_r(char *, size_t); 403 #endif 404 405 /* 1003.1-2001 */ 406 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 407 int fchown(int, uid_t, gid_t); 408 ssize_t readlink(const char * __restrict, char * __restrict, size_t); 409 #endif 410 #if __POSIX_VISIBLE >= 200112 411 int gethostname(char *, size_t); 412 int setegid(gid_t); 413 int seteuid(uid_t); 414 #endif 415 416 /* 1003.1-2008 */ 417 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 418 int getsid(pid_t _pid); 419 int fchdir(int); 420 int getpgid(pid_t _pid); 421 int lchown(const char *, uid_t, gid_t); 422 ssize_t pread(int, void *, size_t, off_t); 423 ssize_t pwrite(int, const void *, size_t, off_t); 424 425 /* See comment at ftruncate() above. */ 426 #ifndef _TRUNCATE_DECLARED 427 #define _TRUNCATE_DECLARED 428 int truncate(const char *, off_t); 429 #endif 430 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 431 432 #if __POSIX_VISIBLE >= 200809 433 int faccessat(int, const char *, int, int); 434 int fchownat(int, const char *, uid_t, gid_t, int); 435 int fexecve(int, char *const [], char *const []); 436 int linkat(int, const char *, int, const char *, int); 437 ssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 438 int symlinkat(const char *, int, const char *); 439 int unlinkat(int, const char *, int); 440 #endif /* __POSIX_VISIBLE >= 200809 */ 441 442 /* 443 * symlink() was originally in POSIX.1a, which was withdrawn after 444 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 445 * course has been in BSD since 4.2. 446 */ 447 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 448 int symlink(const char * __restrict, const char * __restrict); 449 #endif 450 451 /* X/Open System Interfaces */ 452 #if __XSI_VISIBLE 453 char *crypt(const char *, const char *); 454 long gethostid(void); 455 int lockf(int, int, off_t); 456 int nice(int); 457 int setregid(gid_t, gid_t); 458 int setreuid(uid_t, uid_t); 459 460 #ifndef _SWAB_DECLARED 461 #define _SWAB_DECLARED 462 void swab(const void * __restrict, void * __restrict, ssize_t); 463 #endif /* _SWAB_DECLARED */ 464 465 void sync(void); 466 467 #endif /* __XSI_VISIBLE */ 468 469 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE 470 int brk(const void *); 471 int chroot(const char *); 472 int getdtablesize(void); 473 int getpagesize(void) __pure2; 474 char *getpass(const char *); 475 void *sbrk(intptr_t); 476 #endif 477 478 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE 479 char *getwd(char *); /* obsoleted by getcwd() */ 480 useconds_t 481 ualarm(useconds_t, useconds_t); 482 int usleep(useconds_t); 483 pid_t vfork(void) __returns_twice; 484 #endif 485 486 #if __BSD_VISIBLE 487 struct timeval; /* select(2) */ 488 489 struct crypt_data { 490 int initialized; /* For compatibility with glibc. */ 491 char __buf[256]; /* Buffer returned by crypt_r(). */ 492 }; 493 494 int acct(const char *); 495 int async_daemon(void); 496 int check_utility_compat(const char *); 497 int close_range(unsigned int, unsigned int, int); 498 ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned int); 499 const char * 500 crypt_get_format(void); 501 char *crypt_r(const char *, const char *, struct crypt_data *); 502 int crypt_set_format(const char *); 503 int dup3(int, int, int); 504 int eaccess(const char *, int); 505 void endusershell(void); 506 int exect(const char *, char * const *, char * const *); 507 int execvP(const char *, const char *, char * const *); 508 int feature_present(const char *); 509 char *fflagstostr(u_long); 510 int getdomainname(char *, int); 511 int getentropy(void *, size_t); 512 int getgrouplist(const char *, gid_t, gid_t *, int *); 513 int getloginclass(char *, size_t); 514 mode_t getmode(const void *, mode_t); 515 int getosreldate(void); 516 int getpeereid(int, uid_t *, gid_t *); 517 int getresgid(gid_t *, gid_t *, gid_t *); 518 int getresuid(uid_t *, uid_t *, uid_t *); 519 char *getusershell(void); 520 int initgroups(const char *, gid_t); 521 int iruserok(unsigned long, int, const char *, const char *); 522 int iruserok_sa(const void *, int, int, const char *, const char *); 523 int issetugid(void); 524 void __FreeBSD_libc_enter_restricted_mode(void); 525 long lpathconf(const char *, int); 526 #ifndef _MKDTEMP_DECLARED 527 char *mkdtemp(char *); 528 #define _MKDTEMP_DECLARED 529 #endif 530 #ifndef _MKNOD_DECLARED 531 int mknod(const char *, mode_t, dev_t); 532 #define _MKNOD_DECLARED 533 #endif 534 #ifndef _MKSTEMP_DECLARED 535 int mkstemp(char *); 536 #define _MKSTEMP_DECLARED 537 #endif 538 int mkstemps(char *, int); 539 #ifndef _MKTEMP_DECLARED 540 char *mktemp(char *); 541 #define _MKTEMP_DECLARED 542 #endif 543 int nfssvc(int, void *); 544 int nlm_syscall(int, int, int, char **); 545 int pipe2(int *, int); 546 int profil(char *, size_t, vm_offset_t, int); 547 int rcmd(char **, int, const char *, const char *, const char *, int *); 548 int rcmd_af(char **, int, const char *, 549 const char *, const char *, int *, int); 550 int rcmdsh(char **, int, const char *, 551 const char *, const char *, const char *); 552 char *re_comp(const char *); 553 int re_exec(const char *); 554 int reboot(int); 555 int revoke(const char *); 556 pid_t rfork(int) __returns_twice; 557 pid_t rfork_thread(int, void *, int (*)(void *), void *); 558 int rresvport(int *); 559 int rresvport_af(int *, int); 560 int ruserok(const char *, int, const char *, const char *); 561 #ifndef _SELECT_DECLARED 562 #define _SELECT_DECLARED 563 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 564 #endif 565 int setdomainname(const char *, int); 566 int setgroups(int, const gid_t *); 567 void sethostid(long); 568 int sethostname(const char *, int); 569 int setlogin(const char *); 570 int setloginclass(const char *); 571 void *setmode(const char *); 572 int setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */ 573 void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 574 void setproctitle_fast(const char *_fmt, ...) __printf0like(1, 2); 575 int setresgid(gid_t, gid_t, gid_t); 576 int setresuid(uid_t, uid_t, uid_t); 577 int setrgid(gid_t); 578 int setruid(uid_t); 579 void setusershell(void); 580 int strtofflags(char **, u_long *, u_long *); 581 int swapon(const char *); 582 int swapoff(const char *, u_int); 583 int syscall(int, ...); 584 off_t __syscall(quad_t, ...); 585 int undelete(const char *); 586 int unwhiteout(const char *); 587 void *valloc(size_t); /* obsoleted by malloc() */ 588 int funlinkat(int, const char *, int, int); 589 pid_t _Fork(void); 590 591 #ifndef _OPTRESET_DECLARED 592 #define _OPTRESET_DECLARED 593 extern int optreset; /* getopt(3) external variable */ 594 #endif 595 #endif /* __BSD_VISIBLE */ 596 __END_DECLS 597 598 #endif /* !_UNISTD_H_ */ 599