unistd.h revision 1.95
1/* $OpenBSD: unistd.h,v 1.95 2014/12/08 20:39:56 tedu 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/types.h> 39#include <sys/unistd.h> 40 41#define STDIN_FILENO 0 /* standard input file descriptor */ 42#define STDOUT_FILENO 1 /* standard output file descriptor */ 43#define STDERR_FILENO 2 /* standard error file descriptor */ 44 45#if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112 46#define F_ULOCK 0 /* unlock locked section */ 47#define F_LOCK 1 /* lock a section for exclusive use */ 48#define F_TLOCK 2 /* test and lock a section for exclusive use */ 49#define F_TEST 3 /* test a section for locks by other procs */ 50#endif 51 52/* 53 * POSIX options and option groups we unconditionally do or don't 54 * implement. Please keep this list in alphabetical order. 55 * 56 * Anything which is defined as zero below **must** have an 57 * implementation for the corresponding sysconf() which is able to 58 * determine conclusively whether or not the feature is supported. 59 * Anything which is defined as other than -1 below **must** have 60 * complete headers, types, and function declarations as specified by 61 * the POSIX standard; however, if the relevant sysconf() function 62 * returns -1, the functions may be stubbed out. 63 */ 64#define _POSIX_ADVISORY_INFO (-1) 65#define _POSIX_ASYNCHRONOUS_IO (-1) 66#define _POSIX_BARRIERS 200112L 67#define _POSIX_CHOWN_RESTRICTED 1 68#define _POSIX_CLOCK_SELECTION (-1) 69#define _POSIX_CPUTIME 200809L 70#define _POSIX_FSYNC 200112L 71#define _POSIX_IPV6 0 72#define _POSIX_JOB_CONTROL 1 73#define _POSIX_MAPPED_FILES 200112L 74#define _POSIX_MEMLOCK 200112L 75#define _POSIX_MEMLOCK_RANGE 200112L 76#define _POSIX_MEMORY_PROTECTION 200112L 77#define _POSIX_MESSAGE_PASSING (-1) 78#define _POSIX_MONOTONIC_CLOCK 200112L 79#define _POSIX_NO_TRUNC 1 80#define _POSIX_PRIORITIZED_IO (-1) 81#define _POSIX_PRIORITY_SCHEDULING (-1) 82#define _POSIX_RAW_SOCKETS 200112L 83#define _POSIX_READER_WRITER_LOCKS 200112L 84#define _POSIX_REALTIME_SIGNALS (-1) 85#define _POSIX_REGEXP 1 86#define _POSIX_SAVED_IDS 1 87#define _POSIX_SEMAPHORES 200112L 88#define _POSIX_SHARED_MEMORY_OBJECTS 200809L 89#define _POSIX_SHELL 1 90#define _POSIX_SPAWN 200112L 91#define _POSIX_SPIN_LOCKS 200112L 92#define _POSIX_SPORADIC_SERVER (-1) 93#define _POSIX_SYNCHRONIZED_IO (-1) 94#define _POSIX_THREAD_ATTR_STACKADDR 200112L 95#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 96#define _POSIX_THREAD_CPUTIME 200809L 97#define _POSIX_THREAD_PRIO_INHERIT (-1) 98#define _POSIX_THREAD_PRIO_PROTECT (-1) 99#define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) 100#define _POSIX_THREAD_PROCESS_SHARED (-1) 101#define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1) 102#define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1) 103#define _POSIX_THREAD_SAFE_FUNCTIONS 200112L 104#define _POSIX_THREAD_SPORADIC_SERVER (-1) 105#define _POSIX_THREADS 200112L 106#define _POSIX_TIMEOUTS 200112L 107#define _POSIX_TIMERS (-1) 108#define _POSIX_TRACE (-1) 109#define _POSIX_TRACE_EVENT_FILTER (-1) 110#define _POSIX_TRACE_INHERIT (-1) 111#define _POSIX_TRACE_LOG (-1) 112#define _POSIX_TYPED_MEMORY_OBJECTS (-1) 113#define _POSIX2_C_BIND 200112L 114#define _POSIX2_C_DEV (-1) /* need C99 utility */ 115#define _POSIX2_CHAR_TERM 1 116#define _POSIX2_FORT_DEV (-1) /* need fort77 utility */ 117#define _POSIX2_FORT_RUN (-1) /* need asa utility */ 118#define _POSIX2_LOCALEDEF (-1) 119#define _POSIX2_PBS (-1) 120#define _POSIX2_PBS_ACCOUNTING (-1) 121#define _POSIX2_PBS_CHECKPOINT (-1) 122#define _POSIX2_PBS_LOCATE (-1) 123#define _POSIX2_PBS_MESSAGE (-1) 124#define _POSIX2_PBS_TRACK (-1) 125#define _POSIX2_SW_DEV 200112L 126#define _POSIX2_UPE 200112L 127#define _POSIX_V6_ILP32_OFF32 (-1) 128#define _POSIX_V6_ILP32_OFFBIG 0 129#define _POSIX_V6_LP64_OFF64 0 130#define _POSIX_V6_LPBIG_OFFBIG 0 131#define _POSIX_V7_ILP32_OFF32 (-1) 132#define _POSIX_V7_ILP32_OFFBIG 0 133#define _POSIX_V7_LP64_OFF64 0 134#define _POSIX_V7_LPBIG_OFFBIG 0 135 136#define _XOPEN_CRYPT 1 137#define _XOPEN_ENH_I18N (-1) /* mandatory in XSI */ 138#define _XOPEN_LEGACY (-1) 139#define _XOPEN_REALTIME (-1) 140#define _XOPEN_REALTIME_THREADS (-1) 141#define _XOPEN_SHM 1 142#define _XOPEN_STREAMS (-1) 143#define _XOPEN_UUCP (-1) 144#define _XOPEN_UNIX (-1) 145 146/* Define the POSIX.2 version we target for compliance. */ 147#define _POSIX2_VERSION 199212L 148 149/* the sysconf(3) variable values are part of the ABI */ 150 151/* configurable system variables */ 152#define _SC_ARG_MAX 1 153#define _SC_CHILD_MAX 2 154#define _SC_CLK_TCK 3 155#define _SC_NGROUPS_MAX 4 156#define _SC_OPEN_MAX 5 157#define _SC_JOB_CONTROL 6 158#define _SC_SAVED_IDS 7 159#define _SC_VERSION 8 160#define _SC_BC_BASE_MAX 9 161#define _SC_BC_DIM_MAX 10 162#define _SC_BC_SCALE_MAX 11 163#define _SC_BC_STRING_MAX 12 164#define _SC_COLL_WEIGHTS_MAX 13 165#define _SC_EXPR_NEST_MAX 14 166#define _SC_LINE_MAX 15 167#define _SC_RE_DUP_MAX 16 168#define _SC_2_VERSION 17 169#define _SC_2_C_BIND 18 170#define _SC_2_C_DEV 19 171#define _SC_2_CHAR_TERM 20 172#define _SC_2_FORT_DEV 21 173#define _SC_2_FORT_RUN 22 174#define _SC_2_LOCALEDEF 23 175#define _SC_2_SW_DEV 24 176#define _SC_2_UPE 25 177#define _SC_STREAM_MAX 26 178#define _SC_TZNAME_MAX 27 179#define _SC_PAGESIZE 28 180#define _SC_PAGE_SIZE _SC_PAGESIZE /* 1170 compatibility */ 181#define _SC_FSYNC 29 182#define _SC_XOPEN_SHM 30 183#define _SC_SEM_NSEMS_MAX 31 184#define _SC_SEM_VALUE_MAX 32 185#define _SC_HOST_NAME_MAX 33 186#define _SC_MONOTONIC_CLOCK 34 187#define _SC_2_PBS 35 188#define _SC_2_PBS_ACCOUNTING 36 189#define _SC_2_PBS_CHECKPOINT 37 190#define _SC_2_PBS_LOCATE 38 191#define _SC_2_PBS_MESSAGE 39 192#define _SC_2_PBS_TRACK 40 193#define _SC_ADVISORY_INFO 41 194#define _SC_AIO_LISTIO_MAX 42 195#define _SC_AIO_MAX 43 196#define _SC_AIO_PRIO_DELTA_MAX 44 197#define _SC_ASYNCHRONOUS_IO 45 198#define _SC_ATEXIT_MAX 46 199#define _SC_BARRIERS 47 200#define _SC_CLOCK_SELECTION 48 201#define _SC_CPUTIME 49 202#define _SC_DELAYTIMER_MAX 50 203#define _SC_IOV_MAX 51 204#define _SC_IPV6 52 205#define _SC_MAPPED_FILES 53 206#define _SC_MEMLOCK 54 207#define _SC_MEMLOCK_RANGE 55 208#define _SC_MEMORY_PROTECTION 56 209#define _SC_MESSAGE_PASSING 57 210#define _SC_MQ_OPEN_MAX 58 211#define _SC_MQ_PRIO_MAX 59 212#define _SC_PRIORITIZED_IO 60 213#define _SC_PRIORITY_SCHEDULING 61 214#define _SC_RAW_SOCKETS 62 215#define _SC_READER_WRITER_LOCKS 63 216#define _SC_REALTIME_SIGNALS 64 217#define _SC_REGEXP 65 218#define _SC_RTSIG_MAX 66 219#define _SC_SEMAPHORES 67 220#define _SC_SHARED_MEMORY_OBJECTS 68 221#define _SC_SHELL 69 222#define _SC_SIGQUEUE_MAX 70 223#define _SC_SPAWN 71 224#define _SC_SPIN_LOCKS 72 225#define _SC_SPORADIC_SERVER 73 226#define _SC_SS_REPL_MAX 74 227#define _SC_SYNCHRONIZED_IO 75 228#define _SC_SYMLOOP_MAX 76 229#define _SC_THREAD_ATTR_STACKADDR 77 230#define _SC_THREAD_ATTR_STACKSIZE 78 231#define _SC_THREAD_CPUTIME 79 232#define _SC_THREAD_DESTRUCTOR_ITERATIONS 80 233#define _SC_THREAD_KEYS_MAX 81 234#define _SC_THREAD_PRIO_INHERIT 82 235#define _SC_THREAD_PRIO_PROTECT 83 236#define _SC_THREAD_PRIORITY_SCHEDULING 84 237#define _SC_THREAD_PROCESS_SHARED 85 238#define _SC_THREAD_ROBUST_PRIO_INHERIT 86 239#define _SC_THREAD_ROBUST_PRIO_PROTECT 87 240#define _SC_THREAD_SPORADIC_SERVER 88 241#define _SC_THREAD_STACK_MIN 89 242#define _SC_THREAD_THREADS_MAX 90 243#define _SC_THREADS 91 244#define _SC_TIMEOUTS 92 245#define _SC_TIMER_MAX 93 246#define _SC_TIMERS 94 247#define _SC_TRACE 95 248#define _SC_TRACE_EVENT_FILTER 96 249#define _SC_TRACE_EVENT_NAME_MAX 97 250#define _SC_TRACE_INHERIT 98 251#define _SC_TRACE_LOG 99 252#define _SC_GETGR_R_SIZE_MAX 100 253#define _SC_GETPW_R_SIZE_MAX 101 254#define _SC_LOGIN_NAME_MAX 102 255#define _SC_THREAD_SAFE_FUNCTIONS 103 256#define _SC_TRACE_NAME_MAX 104 257#define _SC_TRACE_SYS_MAX 105 258#define _SC_TRACE_USER_EVENT_MAX 106 259#define _SC_TTY_NAME_MAX 107 260#define _SC_TYPED_MEMORY_OBJECTS 108 261#define _SC_V6_ILP32_OFF32 109 262#define _SC_V6_ILP32_OFFBIG 110 263#define _SC_V6_LP64_OFF64 111 264#define _SC_V6_LPBIG_OFFBIG 112 265#define _SC_V7_ILP32_OFF32 113 266#define _SC_V7_ILP32_OFFBIG 114 267#define _SC_V7_LP64_OFF64 115 268#define _SC_V7_LPBIG_OFFBIG 116 269#define _SC_XOPEN_CRYPT 117 270#define _SC_XOPEN_ENH_I18N 118 271#define _SC_XOPEN_LEGACY 119 272#define _SC_XOPEN_REALTIME 120 273#define _SC_XOPEN_REALTIME_THREADS 121 274#define _SC_XOPEN_STREAMS 122 275#define _SC_XOPEN_UNIX 123 276#define _SC_XOPEN_UUCP 124 277#define _SC_XOPEN_VERSION 125 278 279#define _SC_PHYS_PAGES 500 280#define _SC_AVPHYS_PAGES 501 281#define _SC_NPROCESSORS_CONF 502 282#define _SC_NPROCESSORS_ONLN 503 283 284/* configurable system strings */ 285#define _CS_PATH 1 286#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 287#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 288#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 289#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 290#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 291#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 292#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 293#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 294#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 295#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 296#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 297#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 298#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 299#define _CS_V6_ENV 15 300#define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 16 301#define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 17 302#define _CS_POSIX_V7_ILP32_OFF32_LIBS 18 303#define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 19 304#define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 20 305#define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 21 306#define _CS_POSIX_V7_LP64_OFF64_CFLAGS 22 307#define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 23 308#define _CS_POSIX_V7_LP64_OFF64_LIBS 24 309#define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 25 310#define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 26 311#define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 27 312#define _CS_POSIX_V7_THREADS_CFLAGS 28 313#define _CS_POSIX_V7_THREADS_LDFLAGS 29 314#define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 30 315#define _CS_V7_ENV 31 316 317 318#ifndef NULL 319#ifdef __GNUG__ 320#define NULL __null 321#elif defined(__cplusplus) 322#define NULL 0L 323#else 324#define NULL ((void *)0) 325#endif 326#endif 327 328#ifndef _INTPTR_T_DEFINED_ 329#define _INTPTR_T_DEFINED_ 330typedef __intptr_t intptr_t; 331#endif 332 333__BEGIN_DECLS 334__dead void _exit(int); 335int access(const char *, int); 336unsigned int alarm(unsigned int); 337int chdir(const char *); 338int chown(const char *, uid_t, gid_t); 339int close(int); 340int dup(int); 341int dup2(int, int); 342int execl(const char *, const char *, ...) 343 __attribute__((__sentinel__)); 344int execle(const char *, const char *, ...); 345int execlp(const char *, const char *, ...) 346 __attribute__((__sentinel__)); 347int execv(const char *, char *const *); 348int execve(const char *, char *const *, char *const *); 349int execvp(const char *, char *const *); 350#if __BSD_VISIBLE 351int execvpe(const char *, char *const *, char *const *); 352#endif 353pid_t fork(void); 354long fpathconf(int, int); 355char *getcwd(char *, size_t) 356 __attribute__((__bounded__(__string__,1,2))); 357gid_t getegid(void); 358uid_t geteuid(void); 359gid_t getgid(void); 360int getgroups(int, gid_t *); 361char *getlogin(void); 362pid_t getpgrp(void); 363pid_t getpid(void); 364pid_t getppid(void); 365uid_t getuid(void); 366int isatty(int); 367int link(const char *, const char *); 368off_t lseek(int, off_t, int); 369long pathconf(const char *, int); 370int pause(void); 371int pipe(int *); 372ssize_t read(int, void *, size_t) 373 __attribute__((__bounded__(__buffer__,2,3))); 374int rmdir(const char *); 375int setgid(gid_t); 376int setuid(uid_t); 377unsigned int sleep(unsigned int); 378long sysconf(int); 379pid_t tcgetpgrp(int); 380int tcsetpgrp(int, pid_t); 381char *ttyname(int); 382int unlink(const char *); 383ssize_t write(int, const void *, size_t) 384 __attribute__((__bounded__(__buffer__,2,3))); 385 386#if __POSIX_VISIBLE || __XPG_VISIBLE >= 300 387pid_t setsid(void); 388int setpgid(pid_t, pid_t); 389#endif 390 391#if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE 392size_t confstr(int, char *, size_t) 393 __attribute__((__bounded__(__string__,2,3))); 394#ifndef _GETOPT_DEFINED_ 395#define _GETOPT_DEFINED_ 396int getopt(int, char * const *, const char *); 397extern char *optarg; /* getopt(3) external variables */ 398extern int opterr, optind, optopt, optreset; 399#endif /* _GETOPT_DEFINED_ */ 400#endif 401 402#if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE 403int fsync(int); 404int ftruncate(int, off_t); 405int getlogin_r(char *, size_t) 406 __attribute__((__bounded__(__string__,1,2))); 407ssize_t readlink(const char * __restrict, char * __restrict, size_t) 408 __attribute__ ((__bounded__(__string__,2,3))); 409#endif 410#if __POSIX_VISIBLE >= 199506 411int fdatasync(int); 412#endif 413 414#if __XPG_VISIBLE || __BSD_VISIBLE 415char *crypt(const char *, const char *); 416int fchdir(int); 417int fchown(int, uid_t, gid_t); 418long gethostid(void); 419char *getwd(char *) 420 __attribute__ ((__bounded__(__minbytes__,1,1024))); 421int lchown(const char *, uid_t, gid_t); 422int mkstemp(char *); 423char *mktemp(char *); 424int nice(int); 425int setregid(gid_t, gid_t); 426int setreuid(uid_t, uid_t); 427void swab(const void *, void *, size_t); 428void sync(void); 429int truncate(const char *, off_t); 430useconds_t ualarm(useconds_t, useconds_t); 431int usleep(useconds_t); 432pid_t vfork(void); 433#endif 434 435#if __POSIX_VISIBLE >= 200809 || __XPG_VISIBLE >= 420 436pid_t getpgid(pid_t); 437pid_t getsid(pid_t); 438#endif 439 440#if __XPG_VISIBLE >= 500 441ssize_t pread(int, void *, size_t, off_t) 442 __attribute__((__bounded__(__buffer__,2,3))); 443ssize_t pwrite(int, const void *, size_t, off_t) 444 __attribute__((__bounded__(__buffer__,2,3))); 445int ttyname_r(int, char *, size_t) 446 __attribute__((__bounded__(__string__,2,3))); 447#endif 448 449#if __BSD_VISIBLE || __XPG_VISIBLE <= 500 450/* Interfaces withdrawn by X/Open Issue 5 Version 0 */ 451int brk(void *); 452int chroot(const char *); 453int getdtablesize(void); 454int getpagesize(void); 455char *getpass(const char *); 456void *sbrk(int); 457#endif 458 459#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 460int lockf(int, int, off_t); 461#endif 462 463#if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE 464int symlink(const char *, const char *); 465int gethostname(char *, size_t) 466 __attribute__ ((__bounded__(__string__,1,2))); 467int setegid(gid_t); 468int seteuid(uid_t); 469#endif 470 471#if __POSIX_VISIBLE >= 200809 472int faccessat(int, const char *, int, int); 473int fchownat(int, const char *, uid_t, gid_t, int); 474int linkat(int, const char *, int, const char *, int); 475ssize_t readlinkat(int, const char *, char *, size_t) 476 __attribute__ ((__bounded__(__string__,3,4))); 477int symlinkat(const char *, int, const char *); 478int unlinkat(int, const char *, int); 479#endif 480 481#if __BSD_VISIBLE 482int dup3(int, int, int); 483int pipe2(int [2], int); 484#endif 485 486#if __BSD_VISIBLE 487int acct(const char *); 488int closefrom(int); 489int crypt_checkpass(const char *, const char *); 490int crypt_newhash(const char *, const char *, char *, size_t); 491void endusershell(void); 492int exect(const char *, char * const *, char * const *); 493char *fflagstostr(u_int32_t); 494int getdomainname(char *, size_t) 495 __attribute__ ((__bounded__(__string__,1,2))); 496int getdtablecount(void); 497int getgrouplist(const char *, gid_t, gid_t *, int *); 498mode_t getmode(const void *, mode_t); 499int getresgid(gid_t *, gid_t *, gid_t *); 500int getresuid(uid_t *, uid_t *, uid_t *); 501pid_t getthrid(void); 502char *getusershell(void); 503int initgroups(const char *, gid_t); 504int iruserok(u_int32_t, int, const char *, const char *); 505int iruserok_sa(const void *, int, int, const char *, const char *); 506int issetugid(void); 507char *mkdtemp(char *); 508int mkstemps(char *, int); 509int nfssvc(int, void *); 510int profil(char *, size_t, unsigned long, unsigned int) 511 __attribute__ ((__bounded__(__string__,1,2))); 512int quotactl(const char *, int, int, char *); 513int rcmd(char **, int, const char *, 514 const char *, const char *, int *); 515int rcmd_af(char **, int, const char *, 516 const char *, const char *, int *, int); 517int rcmdsh(char **, int, const char *, 518 const char *, const char *, char *); 519int reboot(int); 520int revoke(const char *); 521int rresvport(int *); 522int rresvport_af(int *, int); 523int ruserok(const char *, int, const char *, const char *); 524#ifndef _SELECT_DEFINED_ 525#define _SELECT_DEFINED_ 526struct timeval; 527int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 528#endif 529int setdomainname(const char *, size_t); 530int setgroups(int, const gid_t *); 531int sethostid(long); 532int sethostname(const char *, size_t); 533int setlogin(const char *); 534void *setmode(const char *); 535int setpgrp(pid_t _pid, pid_t _pgrp); /* BSD compat version */ 536int setresgid(gid_t, gid_t, gid_t); 537int setresuid(uid_t, uid_t, uid_t); 538void setusershell(void); 539int strtofflags(char **, u_int32_t *, u_int32_t *); 540int swapctl(int cmd, const void *arg, int misc); 541int syscall(int, ...); 542int getentropy(void *, size_t); 543pid_t __tfork_thread(const struct __tfork *, size_t, void (*)(void *), 544 void *); 545#endif /* __BSD_VISIBLE */ 546__END_DECLS 547 548#endif /* !_UNISTD_H_ */ 549