unistd.h revision 103929
122347Spst/*- 222347Spst * Copyright (c) 1991, 1993, 1994 322347Spst * The Regents of the University of California. All rights reserved. 429964Sache * 522347Spst * Redistribution and use in source and binary forms, with or without 622347Spst * modification, are permitted provided that the following conditions 722347Spst * are met: 822347Spst * 1. Redistributions of source code must retain the above copyright 922347Spst * notice, this list of conditions and the following disclaimer. 1022347Spst * 2. Redistributions in binary form must reproduce the above copyright 1122347Spst * notice, this list of conditions and the following disclaimer in the 1222347Spst * documentation and/or other materials provided with the distribution. 1322347Spst * 3. All advertising materials mentioning features or use of this software 1422347Spst * must display the following acknowledgement: 1529964Sache * This product includes software developed by the University of 1629964Sache * California, Berkeley and its contributors. 1722347Spst * 4. Neither the name of the University nor the names of its contributors 1829964Sache * may be used to endorse or promote products derived from this software 1929964Sache * without specific prior written permission. 2029964Sache * 2129964Sache * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2229964Sache * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2329964Sache * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2429964Sache * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2529964Sache * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2629964Sache * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2729964Sache * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2829964Sache * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2929964Sache * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3029964Sache * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3129964Sache * SUCH DAMAGE. 3229964Sache * 3322347Spst * @(#)unistd.h 8.12 (Berkeley) 4/27/95 3429964Sache * $FreeBSD: head/include/unistd.h 103929 2002-09-25 01:58:56Z wollman $ 3529964Sache */ 3629964Sache 3729964Sache#ifndef _UNISTD_H_ 3822347Spst#define _UNISTD_H_ 3922347Spst 4022347Spst#include <sys/cdefs.h> 4122347Spst#include <sys/types.h> /* XXX adds too much pollution. */ 4222347Spst#include <sys/unistd.h> 4322347Spst#include <sys/_types.h> 4422347Spst 4522347Spst#ifndef _GID_T_DECLARED 4622347Spsttypedef __gid_t gid_t; 4722347Spst#define _GID_T_DECLARED 4822347Spst#endif 4922347Spst 5022347Spst#ifndef _SIZE_T_DECLARED 5122347Spsttypedef __size_t size_t; 5222347Spst#define _SIZE_T_DECLARED 5322347Spst#endif 5422347Spst 5522347Spst#ifndef _SSIZE_T_DECLARED 5622347Spsttypedef __ssize_t ssize_t; 5722347Spst#define _SSIZE_T_DECLARED 5822347Spst#endif 5922347Spst 6022347Spst#ifndef _UID_T_DECLARED 6122347Spsttypedef __uid_t_ uid_t; 6222347Spst#define _UID_T_DECLARED 6322347Spst#endif 6422347Spst 6522347Spst/* 6622347Spst * XXX missing type definitions for off_t, pid_t and useconds_t. 6722347Spst */ 6822347Spst 6922347Spst#define STDIN_FILENO 0 /* standard input file descriptor */ 7022347Spst#define STDOUT_FILENO 1 /* standard output file descriptor */ 7122347Spst#define STDERR_FILENO 2 /* standard error file descriptor */ 7222347Spst 7322347Spst#ifndef NULL 7422347Spst#define NULL 0 /* null pointer constant */ 7522347Spst#endif 7629964Sache 7729964Sache#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 7822347Spst#define F_ULOCK 0 /* unlock locked section */ 7922347Spst#define F_LOCK 1 /* lock a section for exclusive use */ 8022347Spst#define F_TLOCK 2 /* test and lock a section for exclusive use */ 8122347Spst#define F_TEST 3 /* test a section for locks by other procs */ 8222347Spst#endif 8322347Spst 8422347Spst/* 8522347Spst * POSIX options and option groups we unconditionally do or don't 8622347Spst * implement. This list includes those options which are exclusively 8722347Spst * implemented (or not) in user mode. Please keep this list in 8822347Spst * alphabetical order. 8922347Spst * 9022347Spst * Anything which is defined as zero below **must** have an 9122347Spst * implementation for the corresponding sysconf() which is able to 9222347Spst * determine conclusively whether or not the feature is supported. 9322347Spst * Anything which is defined as other than -1 below **must** have 9422347Spst * complete headers, types, and function declarations as specified by 9522347Spst * the POSIX standard; however, if the relevant sysconf() function 9622347Spst * returns -1, the functions may be stubbed out. 9722347Spst */ 9822347Spst#define _POSIX_BARRIERS -1 9922347Spst#define _POSIX_READER_WRITER_LOCKS 200112L 10022347Spst#define _POSIX_REGEXP 1 10122347Spst#define _POSIX_SHELL 1 10222347Spst#define _POSIX_SPAWN -1 10322347Spst#define _POSIX_SPIN_LOCKS -1 10422347Spst#define _POSIX_THREAD_ATTR_STACKADDR 200112L 10522347Spst#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 10622347Spst#define _POSIX_THREAD_CPUTIME -1 10722347Spst#define _POSIX_THREAD_PRIO_INHERIT 200112L 10822347Spst#define _POSIX_THREAD_PRIO_PROTECT 200112L 10922347Spst#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 11022347Spst#define _POSIX_THREAD_PROCESS_SHARED -1 11122347Spst#define _POSIX_THREAD_SAFE_FUNCTIONS -1 11222347Spst#define _POSIX_THREAD_SPORADIC_SERVER -1 11322347Spst#define _POSIX_THREADS 200112L 11422347Spst#define _POSIX_TRACE -1 11522347Spst#define _POSIX_TRACE_EVENT_FILTER -1 11622347Spst#define _POSIX_TRACE_INHERIT -1 11722347Spst#define _POSIX_TRACE_LOG -1 11822347Spst#define _POSIX2_C_BIND 200112L /* mandatory */ 11922347Spst#define _POSIX2_C_DEV -1 /* need c99 utility */ 12022347Spst#define _POSIX2_CHAR_TERM 1 12122347Spst#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 12222347Spst#define _POSIX2_FORT_RUN 200112L 12322347Spst#define _POSIX2_LOCALEDEF -1 12422347Spst#define _POSIX2_PBS -1 12522347Spst#define _POSIX2_PBS_ACCOUNTING -1 12622347Spst#define _POSIX2_PBS_CHECKPOINT -1 12722347Spst#define _POSIX2_PBS_LOCATE -1 12822347Spst#define _POSIX2_PBS_MESSAGE -1 12922347Spst#define _POSIX2_PBS_TRACK -1 13022347Spst#define _POSIX2_SW_DEV -1 /* XXX ??? */ 13122347Spst#define _POSIX2_UPE 200112L 13222347Spst#define _V6_ILP32_OFF32 -1 13322347Spst#define _V6_ILP32_OFFBIG 0 13422347Spst#define _V6_LP64_OFF64 0 13522347Spst#define _V6_LPBIG_OFFBIG -1 13622347Spst 13722347Spst#if __XSI_VISIBLE 13822347Spst#define _XOPEN_CRYPT -1 /* XXX ??? */ 13922347Spst#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 14022347Spst#define _XOPEN_LEGACY -1 14122347Spst#define _XOPEN_REALTIME -1 14222347Spst#define _XOPEN_REALTIME_THREADS -1 14322347Spst#define _XOPEN_UNIX -1 14422347Spst#endif 14522347Spst 14622347Spst/* Define the versions we target for compliance. */ 14722347Spst#define _POSIX_VERSION 200112L 14822347Spst#define _POSIX2_VERSION 199212L 14922347Spst 15022347Spst/* 15122347Spst * POSIX-style system configuration variable accessors (for the 15222347Spst * sysconf function). The kernel does not directly implement the 15322347Spst * sysconf() interface; rather, a C library stub translates references 15422347Spst * to sysconf() into calls to sysctl() using a giant switch statement. 15522347Spst * Those that are marked `user' are implemented entirely in the C 15622347Spst * library and never query the kernel. pathconf() is implemented 15722347Spst * directly by the kernel so those are not defined here. 15822347Spst */ 15922347Spst#define _SC_ARG_MAX 1 16022347Spst#define _SC_CHILD_MAX 2 16122347Spst#define _SC_CLK_TCK 3 16222347Spst#define _SC_NGROUPS_MAX 4 16322347Spst#define _SC_OPEN_MAX 5 16422347Spst#define _SC_JOB_CONTROL 6 16522347Spst#define _SC_SAVED_IDS 7 16622347Spst#define _SC_VERSION 8 16722347Spst#define _SC_BC_BASE_MAX 9 /* user */ 16822347Spst#define _SC_BC_DIM_MAX 10 /* user */ 16922347Spst#define _SC_BC_SCALE_MAX 11 /* user */ 17022347Spst#define _SC_BC_STRING_MAX 12 /* user */ 17122347Spst#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 17222347Spst#define _SC_EXPR_NEST_MAX 14 /* user */ 17322347Spst#define _SC_LINE_MAX 15 /* user */ 17422347Spst#define _SC_RE_DUP_MAX 16 /* user */ 17522347Spst#define _SC_2_VERSION 17 /* user */ 17622347Spst#define _SC_2_C_BIND 18 /* user */ 17722347Spst#define _SC_2_C_DEV 19 /* user */ 17822347Spst#define _SC_2_CHAR_TERM 20 /* user */ 17922347Spst#define _SC_2_FORT_DEV 21 /* user */ 18022347Spst#define _SC_2_FORT_RUN 22 /* user */ 18122347Spst#define _SC_2_LOCALEDEF 23 /* user */ 18222347Spst#define _SC_2_SW_DEV 24 /* user */ 18322347Spst#define _SC_2_UPE 25 /* user */ 18422347Spst#define _SC_STREAM_MAX 26 /* user */ 18522347Spst#define _SC_TZNAME_MAX 27 /* user */ 18622347Spst 18722347Spst#if __POSIX_VISIBLE >= 199309 18822347Spst#define _SC_ASYNCHRONOUS_IO 28 18922347Spst#define _SC_MAPPED_FILES 29 19022347Spst#define _SC_MEMLOCK 30 19122347Spst#define _SC_MEMLOCK_RANGE 31 19222347Spst#define _SC_MEMORY_PROTECTION 32 19322347Spst#define _SC_MESSAGE_PASSING 33 19422347Spst#define _SC_PRIORITIZED_IO 34 19522347Spst#define _SC_PRIORITY_SCHEDULING 35 19622347Spst#define _SC_REALTIME_SIGNALS 36 19722347Spst#define _SC_SEMAPHORES 37 19822347Spst#define _SC_FSYNC 38 19922347Spst#define _SC_SHARED_MEMORY_OBJECTS 39 20022347Spst#define _SC_SYNCHRONIZED_IO 40 20122347Spst#define _SC_TIMERS 41 20222347Spst#define _SC_AIO_LISTIO_MAX 42 20322347Spst#define _SC_AIO_MAX 43 20422347Spst#define _SC_AIO_PRIO_DELTA_MAX 44 20522347Spst#define _SC_DELAYTIMER_MAX 45 20622347Spst#define _SC_MQ_OPEN_MAX 46 20722347Spst#define _SC_PAGESIZE 47 20822347Spst#define _SC_RTSIG_MAX 48 20922347Spst#define _SC_SEM_NSEMS_MAX 49 21022347Spst#define _SC_SEM_VALUE_MAX 50 21122347Spst#define _SC_SIGQUEUE_MAX 51 21222347Spst#define _SC_TIMER_MAX 52 21322347Spst#endif 21422347Spst 21522347Spst#if __POSIX_VISIBLE >= 200112 21622347Spst#define _SC_2_PBS 59 /* user */ 21722347Spst#define _SC_2_PBS_ACCOUNTING 60 /* user */ 21822347Spst#define _SC_2_PBS_CHECKPOINT 61 /* user */ 21922347Spst#define _SC_2_PBS_LOCATE 62 /* user */ 22022347Spst#define _SC_2_PBS_MESSAGE 63 /* user */ 22122347Spst#define _SC_2_PBS_TRACK 64 /* user */ 22222347Spst#define _SC_ADVISORY_INFO 65 22322347Spst#define _SC_BARRIERS 66 /* user */ 22422347Spst#define _SC_CLOCK_SELECTION 67 22522347Spst#define _SC_CPUTIME 68 22622347Spst#define _SC_FILE_LOCKING 69 22722347Spst#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 22822347Spst#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 22922347Spst#define _SC_HOST_NAME_MAX 72 23022347Spst#define _SC_LOGIN_NAME_MAX 73 23122347Spst#define _SC_MONOTONIC_CLOCK 74 23222347Spst#define _SC_MQ_PRIO_MAX 75 23322347Spst#define _SC_READER_WRITER_LOCKS 76 /* user */ 23422347Spst#define _SC_REGEXP 77 /* user */ 23522347Spst#define _SC_SHELL 78 /* user */ 23622347Spst#define _SC_SPAWN 79 /* user */ 23722347Spst#define _SC_SPIN_LOCKS 80 /* user */ 23822347Spst#define _SC_SPORADIC_SERVER 81 23922347Spst#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 24022347Spst#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 24122347Spst#define _SC_THREAD_CPUTIME 84 /* user */ 24222347Spst#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 24322347Spst#define _SC_THREAD_KEYS_MAX 86 /* user */ 24422347Spst#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 24522347Spst#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 24622347Spst#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 24722347Spst#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 24822347Spst#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 24922347Spst#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 25022347Spst#define _SC_THREAD_STACK_MIN 93 /* user */ 25122347Spst#define _SC_THREAD_THREADS_MAX 94 /* user */ 25222347Spst#define _SC_TIMEOUTS 95 /* user */ 25322347Spst#define _SC_THREADS 96 /* user */ 25422347Spst#define _SC_TRACE 97 /* user */ 25522347Spst#define _SC_TRACE_EVENT_FILTER 98 /* user */ 25622347Spst#define _SC_TRACE_INHERIT 99 /* user */ 25722347Spst#define _SC_TRACE_LOG 100 /* user */ 25822347Spst#define _SC_TTY_NAME_MAX 101 /* user */ 25922347Spst#define _SC_TYPED_MEMORY_OBJECTS 102 26022347Spst#define _SC_V6_ILP32_OFF32 103 /* user */ 26122347Spst#define _SC_V6_ILP32_OFFBIG 104 /* user */ 26222347Spst#define _SC_V6_LP64_OFF64 105 /* user */ 26322347Spst#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 26422347Spst#endif 26522347Spst 26622347Spst#if __XSI_VISIBLE 26722347Spst#define _SC_ATEXIT_MAX 107 /* user */ 26822347Spst#define _SC_IOV_MAX 56 26922347Spst#define _SC_PAGE_SIZE _SC_PAGESIZE 27022347Spst#define _SC_XOPEN_CRYPT 108 /* user */ 27122347Spst#define _SC_XOPEN_ENH_I18N 109 /* user */ 27222347Spst#define _SC_XOPEN_LEGACY 110 /* user */ 27322347Spst#define _SC_XOPEN_REALTIME 111 27422347Spst#define _SC_XOPEN_REALTIME_THREADS 112 27522347Spst#define _SC_XOPEN_SHM 113 27622347Spst#define _SC_XOPEN_STREAMS 114 27722347Spst#define _SC_XOPEN_UNIX 115 27822347Spst#define _SC_XOPEN_VERSION 116 27922347Spst#define _SC_XOPEN_XCU_VERSION 117 /* user */ 28022347Spst#endif 28122347Spst 28222347Spst#if __BSD_VISIBLE 28322347Spst#define _SC_NPROCESSORS_CONF 57 28422347Spst#define _SC_NPROCESSORS_ONLN 58 28522347Spst#endif 28622347Spst 28722347Spst/* Keys for the confstr(3) function. */ 28822347Spst#if __POSIX_VISIBLE >= 199209 28922347Spst#define _CS_PATH 1 /* default value of PATH */ 29022347Spst#endif 29122347Spst 29222347Spst#if __POSIX_VISIBLE >= 200112 29322347Spst#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 29422347Spst#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 29522347Spst#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 29622347Spst#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 29722347Spst#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 29822347Spst#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 29922347Spst#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 30022347Spst#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 30122347Spst#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 30222347Spst#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 30322347Spst#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 30422347Spst#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 30522347Spst#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 30622347Spst#endif 30722347Spst 30822347Spst__BEGIN_DECLS 30922347Spst/* 1003.1-1990 */ 31022347Spstvoid _exit(int) __dead2; 31122347Spstint access(const char *, int); 31222347Spstunsigned int alarm(unsigned int); 31322347Spstint chdir(const char *); 31422347Spstint chown(const char *, uid_t, gid_t); 31522347Spstint close(int); 31622347Spstint dup(int); 31722347Spstint dup2(int, int); 31822347Spstint eaccess(const char *, int); 31922347Spstint execl(const char *, const char *, ...); 32022347Spstint execle(const char *, const char *, ...); 32122347Spstint execlp(const char *, const char *, ...); 32222347Spstint execv(const char *, char * const *); 32322347Spstint execve(const char *, char * const *, char * const *); 32422347Spstint execvp(const char *, char * const *); 32522347Spstpid_t fork(void); 32622347Spstlong fpathconf(int, int); 32722347Spstchar *getcwd(char *, size_t); 32822347Spstgid_t getegid(void); 32922347Spstuid_t geteuid(void); 33022347Spstgid_t getgid(void); 33122347Spstint getgroups(int, gid_t []); 33222347Spstchar *getlogin(void); 33322347Spstpid_t getpgrp(void); 33422347Spstpid_t getpid(void); 33522347Spstpid_t getppid(void); 33622347Spstuid_t getuid(void); 33722347Spstint isatty(int); 33822347Spstint link(const char *, const char *); 33922347Spst#ifndef _LSEEK_DECLARED 34022347Spst#define _LSEEK_DECLARED 34122347Spstoff_t lseek(int, off_t, int); 34222347Spst#endif 34322347Spstlong pathconf(const char *, int); 34422347Spstint pause(void); 34522347Spstint pipe(int *); 34622347Spstssize_t read(int, void *, size_t); 34722347Spstint rmdir(const char *); 34822347Spstint setgid(gid_t); 34922347Spstint setpgid(pid_t, pid_t); 35022347Spstvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 35122347Spstpid_t setsid(void); 35222347Spstint setuid(uid_t); 35322347Spstunsigned int sleep(unsigned int); 35422347Spstlong sysconf(int); 35522347Spstpid_t tcgetpgrp(int); 35622347Spstint tcsetpgrp(int, pid_t); 35722347Spstchar *ttyname(int); 35822347Spstint unlink(const char *); 35929964Sachessize_t write(int, const void *, size_t); 36022347Spst 36122347Spst/* 1003.2-1992 */ 36222347Spst#if __POSIX_VISIBLE >= 199209 36322347Spstsize_t confstr(int, char *, size_t); 36422347Spstint getopt(int, char * const [], const char *); 36522347Spst 36622347Spstextern char *optarg; /* getopt(3) external variables */ 36722347Spstextern int optind, opterr, optopt; 36822347Spst#endif 36922347Spst 37022347Spst/* ISO/IEC 9945-1: 1996 */ 37122347Spst#if __POSIX_VISIBLE >= 199506 37222347Spstint fsync(int); 37322347Spst 37422347Spst/* 37522347Spst * ftruncate() was in the POSIX Realtime Extension (it's used for shared 37622347Spst * memory), but truncate() was not. 37722347Spst */ 37822347Spst#ifndef _FTRUNCATE_DECLARED 37922347Spst#define _FTRUNCATE_DECLARED 38022347Spstint ftruncate(int, off_t); 38122347Spst#endif 38222347Spst 38322347Spstint getlogin_r(char *, int); 38422347Spst#endif 38522347Spst 38622347Spst/* 1003.1-2001 */ 38722347Spst#if __POSIX_VISIBLE >= 200112 38822347Spstint fchown(int, uid_t, gid_t); 38922347Spstint gethostname(char *, int /* socklen_t */); 39022347Spstint setegid(gid_t); 39122347Spstint seteuid(uid_t); 39222347Spst#endif 39322347Spst 39422347Spst/* 39522347Spst * symlink() was originally in POSIX.1a, which was withdrawn after 39622347Spst * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 39722347Spst * course has been in BSD since 4.2. 39822347Spst */ 39922347Spst#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 40022347Spstint symlink(const char * __restrict, const char * __restrict); 40122347Spst#endif 40222347Spst 40322347Spst/* X/Open System Interfaces */ 40422347Spst#if __XSI_VISIBLE 40522347Spstchar *crypt(const char *, const char *); 40622347Spst/* char *ctermid(char *); */ /* XXX ??? */ 40722347Spstint encrypt(char *, int); 40822347Spstint fchdir(int); 40922347Spstint getpgid(pid_t _pid); 41022347Spstint getsid(pid_t _pid); 41122347Spstchar *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 41222347Spstint lchown(const char *, uid_t, gid_t); 41322347Spstint lockf(int, int, off_t); 41422347Spstint nice(int); 41522347Spstssize_t pread(int, void *, size_t, off_t); 41622347Spstssize_t pwrite(int, const void *, size_t, off_t); 41722347Spstint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 41822347Spstint setregid(gid_t, gid_t); 41922347Spstint setreuid(uid_t, uid_t); 42022347Spst/* void swab(const void * __restrict, void * __restrict, ssize_t); */ 42122347Spstvoid sync(void); 42222347Spstunsigned int ualarm(unsigned int, unsigned int); 42322347Spstint usleep(unsigned int); 42422347Spstpid_t vfork(void); 42522347Spst 42622347Spst/* See comment at ftruncate() above. */ 42722347Spst#ifndef _TRUNCATE_DECLARED 42822347Spst#define _TRUNCATE_DECLARED 42922347Spstint truncate(const char *, off_t); 43022347Spst#endif 43122347Spst#endif /* __XSI_VISIBLE */ 43222347Spst 43322347Spst#if __BSD_VISIBLE 43422347Spststruct timeval; /* select(2) */ 43522347Spstint acct(const char *); 43622347Spstint async_daemon(void); 43722347Spstint brk(const void *); 43822347Spstint chroot(const char *); 43922347Spstconst char * 44022347Spst crypt_get_format(void); 44122347Spstint crypt_set_format(const char *); 44222347Spstint des_cipher(const char *, char *, long, int); 44322347Spstint des_setkey(const char *key); 44422347Spstvoid endusershell(void); 44522347Spstint exect(const char *, char * const *, char * const *); 44622347Spstchar *fflagstostr(u_long); 44722347Spstint getdomainname(char *, int); 44822347Spstint getdtablesize(void); 44922347Spstint getgrouplist(const char *, gid_t, gid_t *, int *); 45022347Spstlong gethostid(void); 45122347Spstmode_t getmode(const void *, mode_t); 45222347Spstint getpagesize(void) __pure2; 45322347Spstchar *getpass(const char *); 45422347Spstint getpeereid(int, uid_t *, gid_t *); 45522347Spstint getresgid(gid_t *, gid_t *, gid_t *); 45622347Spstint getresuid(uid_t *, uid_t *, uid_t *); 45722347Spstchar *getusershell(void); 45822347Spstint initgroups(const char *, gid_t); 45922347Spstint iruserok(unsigned long, int, const char *, const char *); 46022347Spstint iruserok_sa(const void *, int, int, const char *, const char *); 46129964Sacheint issetugid(void); 46229964Sachechar *mkdtemp(char *); 46329964Sacheint mknod(const char *, mode_t, dev_t); 46429964Sache#ifndef _MKSTEMP_DECLARED 46529964Sacheint mkstemp(char *); 46622347Spst#define _MKSTEMP_DECLARED 46729964Sache#endif 46829964Sacheint mkstemps(char *, int); 46922347Spst#ifndef _MKTEMP_DECLARED 47022347Spstchar *mktemp(char *); 47122347Spst#define _MKTEMP_DECLARED 47222347Spst#endif 47322347Spstint nfsclnt(int, void *); 47422347Spstint nfssvc(int, void *); 47522347Spstint profil(char *, size_t, vm_offset_t, int); 47622347Spstint rcmd(char **, int, const char *, const char *, const char *, int *); 47722347Spstint rcmd_af(char **, int, const char *, 47822347Spst const char *, const char *, int *, int); 47922347Spstint rcmdsh(char **, int, const char *, 48022347Spst const char *, const char *, const char *); 48122347Spstchar *re_comp(const char *); 48222347Spstint re_exec(const char *); 48322347Spstint readlink(const char *, char *, int); 48422347Spstint reboot(int); 48522347Spstint revoke(const char *); 48622347Spstpid_t rfork(int); 48722347Spstpid_t rfork_thread(int, void *, int (*)(void *), void *); 48822347Spstint rresvport(int *); 48922347Spstint rresvport_af(int *, int); 49022347Spstint ruserok(const char *, int, const char *, const char *); 49122347Spstvoid *sbrk(intptr_t); 49222347Spst#if __BSD_VISIBLE 49322347Spst#ifndef _SELECT_DECLARED 49422347Spst#define _SELECT_DECLARED 49522347Spstint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 49622347Spst#endif 49722347Spst#endif 49822347Spstint setdomainname(const char *, int); 49922347Spstint setgroups(int, const gid_t *); 50022347Spstvoid sethostid(long); 50122347Spstint sethostname(const char *, int); 50222347Spst#ifndef _SETKEY_DECLARED 50322347Spstint setkey(const char *); 50422347Spst#define _SETKEY_DECLARED 50522347Spst#endif 50622347Spstint setlogin(const char *); 50722347Spstvoid *setmode(const char *); 50822347Spstint setresgid(gid_t, gid_t, gid_t); 50922347Spstint setresuid(uid_t, uid_t, uid_t); 51022347Spstint setrgid(gid_t); 51122347Spstint setruid(uid_t); 51222347Spstvoid setusershell(void); 51322347Spstint strtofflags(char **, u_long *, u_long *); 51422347Spstint swapon(const char *); 51522347Spstint syscall(int, ...); 51622347Spstoff_t __syscall(quad_t, ...); 51722347Spstint ttyslot(void); 51822347Spstint undelete(const char *); 51922347Spstint unwhiteout(const char *); 52022347Spstvoid *valloc(size_t); /* obsoleted by malloc() */ 52122347Spst 52222347Spstextern char *suboptarg; /* getsubopt(3) external variable */ 52322347Spst#ifndef _GETSUBOPT_DECLARED 52422347Spstint getsubopt(char **, char * const *, char **); 52522347Spst#define _GETSUBOPT_DECLARED 52622347Spst#endif 52722347Spstextern int optreset; /* getopt(3) external variable */ 52822347Spst#endif /* __BSD_VISIBLE */ 52922347Spst__END_DECLS 53029964Sache 53122347Spst#endif /* !_UNISTD_H_ */ 53222347Spst