unistd.h revision 189817
1/*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 34 * $FreeBSD: head/include/unistd.h 189817 2009-03-14 19:11:08Z das $ 35 */ 36 37#ifndef _UNISTD_H_ 38#define _UNISTD_H_ 39 40#include <sys/cdefs.h> 41#include <sys/types.h> /* XXX adds too much pollution. */ 42#include <sys/unistd.h> 43#include <sys/_null.h> 44#include <sys/_types.h> 45 46#ifndef _GID_T_DECLARED 47typedef __gid_t gid_t; 48#define _GID_T_DECLARED 49#endif 50 51#ifndef _OFF_T_DECLARED 52typedef __off_t off_t; 53#define _OFF_T_DECLARED 54#endif 55 56#ifndef _PID_T_DECLARED 57typedef __pid_t pid_t; 58#define _PID_T_DECLARED 59#endif 60 61#ifndef _SIZE_T_DECLARED 62typedef __size_t size_t; 63#define _SIZE_T_DECLARED 64#endif 65 66#ifndef _SSIZE_T_DECLARED 67typedef __ssize_t ssize_t; 68#define _SSIZE_T_DECLARED 69#endif 70 71#ifndef _UID_T_DECLARED 72typedef __uid_t uid_t; 73#define _UID_T_DECLARED 74#endif 75 76#ifndef _USECONDS_T_DECLARED 77typedef __useconds_t useconds_t; 78#define _USECONDS_T_DECLARED 79#endif 80 81#define STDIN_FILENO 0 /* standard input file descriptor */ 82#define STDOUT_FILENO 1 /* standard output file descriptor */ 83#define STDERR_FILENO 2 /* standard error file descriptor */ 84 85#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 86#define F_ULOCK 0 /* unlock locked section */ 87#define F_LOCK 1 /* lock a section for exclusive use */ 88#define F_TLOCK 2 /* test and lock a section for exclusive use */ 89#define F_TEST 3 /* test a section for locks by other procs */ 90#endif 91 92/* 93 * POSIX options and option groups we unconditionally do or don't 94 * implement. This list includes those options which are exclusively 95 * implemented (or not) in user mode. Please keep this list in 96 * alphabetical order. 97 * 98 * Anything which is defined as zero below **must** have an 99 * implementation for the corresponding sysconf() which is able to 100 * determine conclusively whether or not the feature is supported. 101 * Anything which is defined as other than -1 below **must** have 102 * complete headers, types, and function declarations as specified by 103 * the POSIX standard; however, if the relevant sysconf() function 104 * returns -1, the functions may be stubbed out. 105 */ 106#define _POSIX_BARRIERS 200112L 107#define _POSIX_READER_WRITER_LOCKS 200112L 108#define _POSIX_REGEXP 1 109#define _POSIX_SHELL 1 110#define _POSIX_SPAWN 200112L 111#define _POSIX_SPIN_LOCKS 200112L 112#define _POSIX_THREAD_ATTR_STACKADDR 200112L 113#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 114#define _POSIX_THREAD_CPUTIME 200112L 115#define _POSIX_THREAD_PRIO_INHERIT 200112L 116#define _POSIX_THREAD_PRIO_PROTECT 200112L 117#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 118#define _POSIX_THREAD_PROCESS_SHARED -1 119#define _POSIX_THREAD_SAFE_FUNCTIONS -1 120#define _POSIX_THREAD_SPORADIC_SERVER -1 121#define _POSIX_THREADS 200112L 122#define _POSIX_TRACE -1 123#define _POSIX_TRACE_EVENT_FILTER -1 124#define _POSIX_TRACE_INHERIT -1 125#define _POSIX_TRACE_LOG -1 126#define _POSIX2_C_BIND 200112L /* mandatory */ 127#define _POSIX2_C_DEV -1 /* need c99 utility */ 128#define _POSIX2_CHAR_TERM 1 129#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 130#define _POSIX2_FORT_RUN 200112L 131#define _POSIX2_LOCALEDEF -1 132#define _POSIX2_PBS -1 133#define _POSIX2_PBS_ACCOUNTING -1 134#define _POSIX2_PBS_CHECKPOINT -1 135#define _POSIX2_PBS_LOCATE -1 136#define _POSIX2_PBS_MESSAGE -1 137#define _POSIX2_PBS_TRACK -1 138#define _POSIX2_SW_DEV -1 /* XXX ??? */ 139#define _POSIX2_UPE 200112L 140#define _V6_ILP32_OFF32 -1 141#define _V6_ILP32_OFFBIG 0 142#define _V6_LP64_OFF64 0 143#define _V6_LPBIG_OFFBIG -1 144 145#if __XSI_VISIBLE 146#define _XOPEN_CRYPT -1 /* XXX ??? */ 147#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 148#define _XOPEN_LEGACY -1 149#define _XOPEN_REALTIME -1 150#define _XOPEN_REALTIME_THREADS -1 151#define _XOPEN_UNIX -1 152#endif 153 154/* Define the POSIX.2 version we target for compliance. */ 155#define _POSIX2_VERSION 199212L 156 157/* 158 * POSIX-style system configuration variable accessors (for the 159 * sysconf function). The kernel does not directly implement the 160 * sysconf() interface; rather, a C library stub translates references 161 * to sysconf() into calls to sysctl() using a giant switch statement. 162 * Those that are marked `user' are implemented entirely in the C 163 * library and never query the kernel. pathconf() is implemented 164 * directly by the kernel so those are not defined here. 165 */ 166#define _SC_ARG_MAX 1 167#define _SC_CHILD_MAX 2 168#define _SC_CLK_TCK 3 169#define _SC_NGROUPS_MAX 4 170#define _SC_OPEN_MAX 5 171#define _SC_JOB_CONTROL 6 172#define _SC_SAVED_IDS 7 173#define _SC_VERSION 8 174#define _SC_BC_BASE_MAX 9 /* user */ 175#define _SC_BC_DIM_MAX 10 /* user */ 176#define _SC_BC_SCALE_MAX 11 /* user */ 177#define _SC_BC_STRING_MAX 12 /* user */ 178#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 179#define _SC_EXPR_NEST_MAX 14 /* user */ 180#define _SC_LINE_MAX 15 /* user */ 181#define _SC_RE_DUP_MAX 16 /* user */ 182#define _SC_2_VERSION 17 /* user */ 183#define _SC_2_C_BIND 18 /* user */ 184#define _SC_2_C_DEV 19 /* user */ 185#define _SC_2_CHAR_TERM 20 /* user */ 186#define _SC_2_FORT_DEV 21 /* user */ 187#define _SC_2_FORT_RUN 22 /* user */ 188#define _SC_2_LOCALEDEF 23 /* user */ 189#define _SC_2_SW_DEV 24 /* user */ 190#define _SC_2_UPE 25 /* user */ 191#define _SC_STREAM_MAX 26 /* user */ 192#define _SC_TZNAME_MAX 27 /* user */ 193 194#if __POSIX_VISIBLE >= 199309 195#define _SC_ASYNCHRONOUS_IO 28 196#define _SC_MAPPED_FILES 29 197#define _SC_MEMLOCK 30 198#define _SC_MEMLOCK_RANGE 31 199#define _SC_MEMORY_PROTECTION 32 200#define _SC_MESSAGE_PASSING 33 201#define _SC_PRIORITIZED_IO 34 202#define _SC_PRIORITY_SCHEDULING 35 203#define _SC_REALTIME_SIGNALS 36 204#define _SC_SEMAPHORES 37 205#define _SC_FSYNC 38 206#define _SC_SHARED_MEMORY_OBJECTS 39 207#define _SC_SYNCHRONIZED_IO 40 208#define _SC_TIMERS 41 209#define _SC_AIO_LISTIO_MAX 42 210#define _SC_AIO_MAX 43 211#define _SC_AIO_PRIO_DELTA_MAX 44 212#define _SC_DELAYTIMER_MAX 45 213#define _SC_MQ_OPEN_MAX 46 214#define _SC_PAGESIZE 47 215#define _SC_RTSIG_MAX 48 216#define _SC_SEM_NSEMS_MAX 49 217#define _SC_SEM_VALUE_MAX 50 218#define _SC_SIGQUEUE_MAX 51 219#define _SC_TIMER_MAX 52 220#endif 221 222#if __POSIX_VISIBLE >= 200112 223#define _SC_2_PBS 59 /* user */ 224#define _SC_2_PBS_ACCOUNTING 60 /* user */ 225#define _SC_2_PBS_CHECKPOINT 61 /* user */ 226#define _SC_2_PBS_LOCATE 62 /* user */ 227#define _SC_2_PBS_MESSAGE 63 /* user */ 228#define _SC_2_PBS_TRACK 64 /* user */ 229#define _SC_ADVISORY_INFO 65 230#define _SC_BARRIERS 66 /* user */ 231#define _SC_CLOCK_SELECTION 67 232#define _SC_CPUTIME 68 233#define _SC_FILE_LOCKING 69 234#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 235#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 236#define _SC_HOST_NAME_MAX 72 237#define _SC_LOGIN_NAME_MAX 73 238#define _SC_MONOTONIC_CLOCK 74 239#define _SC_MQ_PRIO_MAX 75 240#define _SC_READER_WRITER_LOCKS 76 /* user */ 241#define _SC_REGEXP 77 /* user */ 242#define _SC_SHELL 78 /* user */ 243#define _SC_SPAWN 79 /* user */ 244#define _SC_SPIN_LOCKS 80 /* user */ 245#define _SC_SPORADIC_SERVER 81 246#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 247#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 248#define _SC_THREAD_CPUTIME 84 /* user */ 249#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 250#define _SC_THREAD_KEYS_MAX 86 /* user */ 251#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 252#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 253#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 254#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 255#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 256#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 257#define _SC_THREAD_STACK_MIN 93 /* user */ 258#define _SC_THREAD_THREADS_MAX 94 /* user */ 259#define _SC_TIMEOUTS 95 /* user */ 260#define _SC_THREADS 96 /* user */ 261#define _SC_TRACE 97 /* user */ 262#define _SC_TRACE_EVENT_FILTER 98 /* user */ 263#define _SC_TRACE_INHERIT 99 /* user */ 264#define _SC_TRACE_LOG 100 /* user */ 265#define _SC_TTY_NAME_MAX 101 /* user */ 266#define _SC_TYPED_MEMORY_OBJECTS 102 267#define _SC_V6_ILP32_OFF32 103 /* user */ 268#define _SC_V6_ILP32_OFFBIG 104 /* user */ 269#define _SC_V6_LP64_OFF64 105 /* user */ 270#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 271#define _SC_IPV6 118 272#define _SC_RAW_SOCKETS 119 273#define _SC_SYMLOOP_MAX 120 274#endif 275 276#if __XSI_VISIBLE 277#define _SC_ATEXIT_MAX 107 /* user */ 278#define _SC_IOV_MAX 56 279#define _SC_PAGE_SIZE _SC_PAGESIZE 280#define _SC_XOPEN_CRYPT 108 /* user */ 281#define _SC_XOPEN_ENH_I18N 109 /* user */ 282#define _SC_XOPEN_LEGACY 110 /* user */ 283#define _SC_XOPEN_REALTIME 111 284#define _SC_XOPEN_REALTIME_THREADS 112 285#define _SC_XOPEN_SHM 113 286#define _SC_XOPEN_STREAMS 114 287#define _SC_XOPEN_UNIX 115 288#define _SC_XOPEN_VERSION 116 289#define _SC_XOPEN_XCU_VERSION 117 /* user */ 290#endif 291 292#if __BSD_VISIBLE 293#define _SC_NPROCESSORS_CONF 57 294#define _SC_NPROCESSORS_ONLN 58 295#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 */ 323void _exit(int) __dead2; 324int access(const char *, int); 325unsigned int alarm(unsigned int); 326int chdir(const char *); 327int chown(const char *, uid_t, gid_t); 328int close(int); 329int dup(int); 330int dup2(int, int); 331int execl(const char *, const char *, ...); 332int execle(const char *, const char *, ...); 333int execlp(const char *, const char *, ...); 334int execv(const char *, char * const *); 335int execve(const char *, char * const *, char * const *); 336int execvp(const char *, char * const *); 337pid_t fork(void); 338long fpathconf(int, int); 339char *getcwd(char *, size_t); 340gid_t getegid(void); 341uid_t geteuid(void); 342gid_t getgid(void); 343int getgroups(int, gid_t []); 344char *getlogin(void); 345pid_t getpgrp(void); 346pid_t getpid(void); 347pid_t getppid(void); 348uid_t getuid(void); 349int isatty(int); 350int link(const char *, const char *); 351#ifndef _LSEEK_DECLARED 352#define _LSEEK_DECLARED 353off_t lseek(int, off_t, int); 354#endif 355long pathconf(const char *, int); 356int pause(void); 357int pipe(int *); 358ssize_t read(int, void *, size_t); 359int rmdir(const char *); 360int setgid(gid_t); 361int setpgid(pid_t, pid_t); 362pid_t setsid(void); 363int setuid(uid_t); 364unsigned int sleep(unsigned int); 365long sysconf(int); 366pid_t tcgetpgrp(int); 367int tcsetpgrp(int, pid_t); 368char *ttyname(int); 369int ttyname_r(int, char *, size_t); 370int unlink(const char *); 371ssize_t write(int, const void *, size_t); 372 373/* 1003.2-1992 */ 374#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 375size_t confstr(int, char *, size_t); 376#ifndef _GETOPT_DECLARED 377#define _GETOPT_DECLARED 378int getopt(int, char * const [], const char *); 379 380extern char *optarg; /* getopt(3) external variables */ 381extern int optind, opterr, optopt; 382#endif /* _GETOPT_DECLARED */ 383#endif 384 385/* ISO/IEC 9945-1: 1996 */ 386#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 387int fsync(int); 388 389/* 390 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 391 * memory), but truncate() was not. 392 */ 393#ifndef _FTRUNCATE_DECLARED 394#define _FTRUNCATE_DECLARED 395int ftruncate(int, off_t); 396#endif 397#endif 398 399#if __POSIX_VISIBLE >= 199506 400int getlogin_r(char *, int); 401#endif 402 403/* 1003.1-2001 */ 404#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 405int fchown(int, uid_t, gid_t); 406ssize_t readlink(const char * __restrict, char * __restrict, size_t); 407#endif 408#if __POSIX_VISIBLE >= 200112 409int gethostname(char *, size_t); 410int setegid(gid_t); 411int seteuid(uid_t); 412#endif 413 414/* 1003.1-2008 */ 415#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 416int getsid(pid_t _pid); 417int fchdir(int); 418int getpgid(pid_t _pid); 419int lchown(const char *, uid_t, gid_t); 420ssize_t pread(int, void *, size_t, off_t); 421ssize_t pwrite(int, const void *, size_t, off_t); 422 423/* See comment at ftruncate() above. */ 424#ifndef _TRUNCATE_DECLARED 425#define _TRUNCATE_DECLARED 426int truncate(const char *, off_t); 427#endif 428#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 429 430#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 431int faccessat(int, const char *, int, int); 432int fchownat(int, const char *, uid_t, gid_t, int); 433int fexecve(int, char *const [], char *const []); 434int linkat(int, const char *, int, const char *, int); 435ssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 436int symlinkat(const char *, int, const char *); 437int unlinkat(int, const char *, int); 438#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */ 439 440/* 441 * symlink() was originally in POSIX.1a, which was withdrawn after 442 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 443 * course has been in BSD since 4.2. 444 */ 445#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 446int symlink(const char * __restrict, const char * __restrict); 447#endif 448 449/* X/Open System Interfaces */ 450#if __XSI_VISIBLE 451char *crypt(const char *, const char *); 452/* char *ctermid(char *); */ /* XXX ??? */ 453int encrypt(char *, int); 454long gethostid(void); 455int lockf(int, int, off_t); 456int nice(int); 457int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 458int setregid(gid_t, gid_t); 459int setreuid(uid_t, uid_t); 460 461#ifndef _SWAB_DECLARED 462#define _SWAB_DECLARED 463void swab(const void * __restrict, void * __restrict, ssize_t); 464#endif /* _SWAB_DECLARED */ 465 466void sync(void); 467 468#endif /* __XSI_VISIBLE */ 469 470#if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE 471int brk(const void *); 472int chroot(const char *); 473int getdtablesize(void); 474int getpagesize(void) __pure2; 475char *getpass(const char *); 476void *sbrk(intptr_t); 477#endif 478 479#if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE 480char *getwd(char *); /* obsoleted by getcwd() */ 481useconds_t 482 ualarm(useconds_t, useconds_t); 483int usleep(useconds_t); 484pid_t vfork(void); 485#endif 486 487#if __BSD_VISIBLE 488struct timeval; /* select(2) */ 489int acct(const char *); 490int async_daemon(void); 491int check_utility_compat(const char *); 492const char * 493 crypt_get_format(void); 494int crypt_set_format(const char *); 495int des_cipher(const char *, char *, long, int); 496int des_setkey(const char *key); 497int eaccess(const char *, int); 498void endusershell(void); 499int exect(const char *, char * const *, char * const *); 500int execvP(const char *, const char *, char * const *); 501int feature_present(const char *); 502char *fflagstostr(u_long); 503int getdomainname(char *, int); 504int getgrouplist(const char *, gid_t, gid_t *, int *); 505mode_t getmode(const void *, mode_t); 506int getosreldate(void); 507int getpeereid(int, uid_t *, gid_t *); 508int getresgid(gid_t *, gid_t *, gid_t *); 509int getresuid(uid_t *, uid_t *, uid_t *); 510char *getusershell(void); 511int initgroups(const char *, gid_t); 512int iruserok(unsigned long, int, const char *, const char *); 513int iruserok_sa(const void *, int, int, const char *, const char *); 514int issetugid(void); 515#ifndef _MKDTEMP_DECLARED 516char *mkdtemp(char *); 517#define _MKDTEMP_DECLARED 518#endif 519#ifndef _MKNOD_DECLARED 520int mknod(const char *, mode_t, dev_t); 521#define _MKNOD_DECLARED 522#endif 523#ifndef _MKSTEMP_DECLARED 524int mkstemp(char *); 525#define _MKSTEMP_DECLARED 526#endif 527int mkstemps(char *, int); 528#ifndef _MKTEMP_DECLARED 529char *mktemp(char *); 530#define _MKTEMP_DECLARED 531#endif 532int nfssvc(int, void *); 533int profil(char *, size_t, vm_offset_t, int); 534int rcmd(char **, int, const char *, const char *, const char *, int *); 535int rcmd_af(char **, int, const char *, 536 const char *, const char *, int *, int); 537int rcmdsh(char **, int, const char *, 538 const char *, const char *, const char *); 539char *re_comp(const char *); 540int re_exec(const char *); 541int reboot(int); 542int revoke(const char *); 543pid_t rfork(int); 544pid_t rfork_thread(int, void *, int (*)(void *), void *); 545int rresvport(int *); 546int rresvport_af(int *, int); 547int ruserok(const char *, int, const char *, const char *); 548#if __BSD_VISIBLE 549#ifndef _SELECT_DECLARED 550#define _SELECT_DECLARED 551int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 552#endif 553#endif 554int setdomainname(const char *, int); 555int setgroups(int, const gid_t *); 556void sethostid(long); 557int sethostname(const char *, int); 558#ifndef _SETKEY_DECLARED 559int setkey(const char *); 560#define _SETKEY_DECLARED 561#endif 562int setlogin(const char *); 563void *setmode(const char *); 564void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 565int setresgid(gid_t, gid_t, gid_t); 566int setresuid(uid_t, uid_t, uid_t); 567int setrgid(gid_t); 568int setruid(uid_t); 569void setusershell(void); 570int strtofflags(char **, u_long *, u_long *); 571int swapon(const char *); 572int swapoff(const char *); 573int syscall(int, ...); 574off_t __syscall(quad_t, ...); 575int ttyslot(void); 576int undelete(const char *); 577int unwhiteout(const char *); 578void *valloc(size_t); /* obsoleted by malloc() */ 579 580#ifndef _OPTRESET_DECLARED 581#define _OPTRESET_DECLARED 582extern int optreset; /* getopt(3) external variable */ 583#endif 584#endif /* __BSD_VISIBLE */ 585__END_DECLS 586 587#endif /* !_UNISTD_H_ */ 588