unistd.h revision 117105
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1991, 1993, 1994 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 151539Srgrimes * This product includes software developed by the University of 161539Srgrimes * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 201539Srgrimes * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 321539Srgrimes * 3323657Speter * @(#)unistd.h 8.12 (Berkeley) 4/27/95 3455033Sbde * $FreeBSD: head/include/unistd.h 117105 2003-07-01 12:09:06Z bde $ 351539Srgrimes */ 361539Srgrimes 371539Srgrimes#ifndef _UNISTD_H_ 381539Srgrimes#define _UNISTD_H_ 391539Srgrimes 401539Srgrimes#include <sys/cdefs.h> 4193514Smike#include <sys/types.h> /* XXX adds too much pollution. */ 421539Srgrimes#include <sys/unistd.h> 4393514Smike#include <sys/_types.h> 441539Srgrimes 45102227Smike#ifndef _GID_T_DECLARED 46102227Smiketypedef __gid_t gid_t; 47102227Smike#define _GID_T_DECLARED 4893514Smike#endif 4993514Smike 50108381Smike#ifndef _OFF_T_DECLARED 51108381Smiketypedef __off_t off_t; 52108381Smike#define _OFF_T_DECLARED 53108381Smike#endif 54108381Smike 55108381Smike#ifndef _PID_T_DECLARED 56108381Smiketypedef __pid_t pid_t; 57108381Smike#define _PID_T_DECLARED 58108381Smike#endif 59108381Smike 60102227Smike#ifndef _SIZE_T_DECLARED 61102227Smiketypedef __size_t size_t; 62102227Smike#define _SIZE_T_DECLARED 6393514Smike#endif 6493514Smike 65102227Smike#ifndef _SSIZE_T_DECLARED 66102227Smiketypedef __ssize_t ssize_t; 67102227Smike#define _SSIZE_T_DECLARED 6893514Smike#endif 6993514Smike 70102227Smike#ifndef _UID_T_DECLARED 71108381Smiketypedef __uid_t uid_t; 72102227Smike#define _UID_T_DECLARED 7393514Smike#endif 7493514Smike 75108381Smike#ifndef _USECONDS_T_DECLARED 76108381Smiketypedef __useconds_t useconds_t; 77108381Smike#define _USECONDS_T_DECLARED 78108381Smike#endif 7993514Smike 801539Srgrimes#define STDIN_FILENO 0 /* standard input file descriptor */ 811539Srgrimes#define STDOUT_FILENO 1 /* standard output file descriptor */ 821539Srgrimes#define STDERR_FILENO 2 /* standard error file descriptor */ 831539Srgrimes 841539Srgrimes#ifndef NULL 851539Srgrimes#define NULL 0 /* null pointer constant */ 861539Srgrimes#endif 871539Srgrimes 8898269Swollman#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 8937566Sbde#define F_ULOCK 0 /* unlock locked section */ 9037566Sbde#define F_LOCK 1 /* lock a section for exclusive use */ 9137566Sbde#define F_TLOCK 2 /* test and lock a section for exclusive use */ 9237566Sbde#define F_TEST 3 /* test a section for locks by other procs */ 9337509Sdt#endif 9437509Sdt 95103729Swollman/* 96103729Swollman * POSIX options and option groups we unconditionally do or don't 97103729Swollman * implement. This list includes those options which are exclusively 98103729Swollman * implemented (or not) in user mode. Please keep this list in 99103729Swollman * alphabetical order. 100103729Swollman * 101103729Swollman * Anything which is defined as zero below **must** have an 102103729Swollman * implementation for the corresponding sysconf() which is able to 103103729Swollman * determine conclusively whether or not the feature is supported. 104103729Swollman * Anything which is defined as other than -1 below **must** have 105103729Swollman * complete headers, types, and function declarations as specified by 106103729Swollman * the POSIX standard; however, if the relevant sysconf() function 107103729Swollman * returns -1, the functions may be stubbed out. 108103729Swollman */ 109103729Swollman#define _POSIX_BARRIERS -1 110103729Swollman#define _POSIX_READER_WRITER_LOCKS 200112L 111103729Swollman#define _POSIX_REGEXP 1 112103729Swollman#define _POSIX_SHELL 1 113103729Swollman#define _POSIX_SPAWN -1 114103729Swollman#define _POSIX_SPIN_LOCKS -1 115103729Swollman#define _POSIX_THREAD_ATTR_STACKADDR 200112L 116103729Swollman#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 117103729Swollman#define _POSIX_THREAD_CPUTIME -1 118103729Swollman#define _POSIX_THREAD_PRIO_INHERIT 200112L 119103729Swollman#define _POSIX_THREAD_PRIO_PROTECT 200112L 120103729Swollman#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 121103729Swollman#define _POSIX_THREAD_PROCESS_SHARED -1 122103729Swollman#define _POSIX_THREAD_SAFE_FUNCTIONS -1 123103729Swollman#define _POSIX_THREAD_SPORADIC_SERVER -1 124103729Swollman#define _POSIX_THREADS 200112L 125103729Swollman#define _POSIX_TRACE -1 126103729Swollman#define _POSIX_TRACE_EVENT_FILTER -1 127103729Swollman#define _POSIX_TRACE_INHERIT -1 128103729Swollman#define _POSIX_TRACE_LOG -1 129103729Swollman#define _POSIX2_C_BIND 200112L /* mandatory */ 130103729Swollman#define _POSIX2_C_DEV -1 /* need c99 utility */ 131103729Swollman#define _POSIX2_CHAR_TERM 1 132103729Swollman#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 133103729Swollman#define _POSIX2_FORT_RUN 200112L 134103729Swollman#define _POSIX2_LOCALEDEF -1 135103729Swollman#define _POSIX2_PBS -1 136103729Swollman#define _POSIX2_PBS_ACCOUNTING -1 137103729Swollman#define _POSIX2_PBS_CHECKPOINT -1 138103729Swollman#define _POSIX2_PBS_LOCATE -1 139103729Swollman#define _POSIX2_PBS_MESSAGE -1 140103729Swollman#define _POSIX2_PBS_TRACK -1 141103729Swollman#define _POSIX2_SW_DEV -1 /* XXX ??? */ 142103729Swollman#define _POSIX2_UPE 200112L 143103729Swollman#define _V6_ILP32_OFF32 -1 144103729Swollman#define _V6_ILP32_OFFBIG 0 145103729Swollman#define _V6_LP64_OFF64 0 146103729Swollman#define _V6_LPBIG_OFFBIG -1 147103729Swollman 148103729Swollman#if __XSI_VISIBLE 149103729Swollman#define _XOPEN_CRYPT -1 /* XXX ??? */ 150103729Swollman#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 151103729Swollman#define _XOPEN_LEGACY -1 152103729Swollman#define _XOPEN_REALTIME -1 153103729Swollman#define _XOPEN_REALTIME_THREADS -1 154103729Swollman#define _XOPEN_UNIX -1 155103729Swollman#endif 156103729Swollman 157105045Smike/* Define the POSIX.2 version we target for compliance. */ 158103929Swollman#define _POSIX2_VERSION 199212L 159103729Swollman 160103729Swollman/* 161103729Swollman * POSIX-style system configuration variable accessors (for the 162103729Swollman * sysconf function). The kernel does not directly implement the 163103729Swollman * sysconf() interface; rather, a C library stub translates references 164103729Swollman * to sysconf() into calls to sysctl() using a giant switch statement. 165103729Swollman * Those that are marked `user' are implemented entirely in the C 166103729Swollman * library and never query the kernel. pathconf() is implemented 167103729Swollman * directly by the kernel so those are not defined here. 168103729Swollman */ 169103729Swollman#define _SC_ARG_MAX 1 170103729Swollman#define _SC_CHILD_MAX 2 171103729Swollman#define _SC_CLK_TCK 3 172103729Swollman#define _SC_NGROUPS_MAX 4 173103729Swollman#define _SC_OPEN_MAX 5 174103729Swollman#define _SC_JOB_CONTROL 6 175103729Swollman#define _SC_SAVED_IDS 7 176103729Swollman#define _SC_VERSION 8 177103729Swollman#define _SC_BC_BASE_MAX 9 /* user */ 178103729Swollman#define _SC_BC_DIM_MAX 10 /* user */ 179103729Swollman#define _SC_BC_SCALE_MAX 11 /* user */ 180103729Swollman#define _SC_BC_STRING_MAX 12 /* user */ 181103729Swollman#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 182103729Swollman#define _SC_EXPR_NEST_MAX 14 /* user */ 183103729Swollman#define _SC_LINE_MAX 15 /* user */ 184103729Swollman#define _SC_RE_DUP_MAX 16 /* user */ 185103729Swollman#define _SC_2_VERSION 17 /* user */ 186103729Swollman#define _SC_2_C_BIND 18 /* user */ 187103729Swollman#define _SC_2_C_DEV 19 /* user */ 188103729Swollman#define _SC_2_CHAR_TERM 20 /* user */ 189103729Swollman#define _SC_2_FORT_DEV 21 /* user */ 190103729Swollman#define _SC_2_FORT_RUN 22 /* user */ 191103729Swollman#define _SC_2_LOCALEDEF 23 /* user */ 192103729Swollman#define _SC_2_SW_DEV 24 /* user */ 193103729Swollman#define _SC_2_UPE 25 /* user */ 194103729Swollman#define _SC_STREAM_MAX 26 /* user */ 195103729Swollman#define _SC_TZNAME_MAX 27 /* user */ 196103729Swollman 197103729Swollman#if __POSIX_VISIBLE >= 199309 198103729Swollman#define _SC_ASYNCHRONOUS_IO 28 199103729Swollman#define _SC_MAPPED_FILES 29 200103729Swollman#define _SC_MEMLOCK 30 201103729Swollman#define _SC_MEMLOCK_RANGE 31 202103729Swollman#define _SC_MEMORY_PROTECTION 32 203103729Swollman#define _SC_MESSAGE_PASSING 33 204103729Swollman#define _SC_PRIORITIZED_IO 34 205103729Swollman#define _SC_PRIORITY_SCHEDULING 35 206103729Swollman#define _SC_REALTIME_SIGNALS 36 207103729Swollman#define _SC_SEMAPHORES 37 208103729Swollman#define _SC_FSYNC 38 209103729Swollman#define _SC_SHARED_MEMORY_OBJECTS 39 210103729Swollman#define _SC_SYNCHRONIZED_IO 40 211103729Swollman#define _SC_TIMERS 41 212103729Swollman#define _SC_AIO_LISTIO_MAX 42 213103729Swollman#define _SC_AIO_MAX 43 214103729Swollman#define _SC_AIO_PRIO_DELTA_MAX 44 215103729Swollman#define _SC_DELAYTIMER_MAX 45 216103729Swollman#define _SC_MQ_OPEN_MAX 46 217103729Swollman#define _SC_PAGESIZE 47 218103729Swollman#define _SC_RTSIG_MAX 48 219103729Swollman#define _SC_SEM_NSEMS_MAX 49 220103729Swollman#define _SC_SEM_VALUE_MAX 50 221103729Swollman#define _SC_SIGQUEUE_MAX 51 222103729Swollman#define _SC_TIMER_MAX 52 223103729Swollman#endif 224103729Swollman 225103729Swollman#if __POSIX_VISIBLE >= 200112 226103729Swollman#define _SC_2_PBS 59 /* user */ 227103729Swollman#define _SC_2_PBS_ACCOUNTING 60 /* user */ 228103729Swollman#define _SC_2_PBS_CHECKPOINT 61 /* user */ 229103729Swollman#define _SC_2_PBS_LOCATE 62 /* user */ 230103729Swollman#define _SC_2_PBS_MESSAGE 63 /* user */ 231103729Swollman#define _SC_2_PBS_TRACK 64 /* user */ 232103729Swollman#define _SC_ADVISORY_INFO 65 233103729Swollman#define _SC_BARRIERS 66 /* user */ 234103729Swollman#define _SC_CLOCK_SELECTION 67 235103729Swollman#define _SC_CPUTIME 68 236103729Swollman#define _SC_FILE_LOCKING 69 237103729Swollman#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 238103729Swollman#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 239103729Swollman#define _SC_HOST_NAME_MAX 72 240103729Swollman#define _SC_LOGIN_NAME_MAX 73 241103729Swollman#define _SC_MONOTONIC_CLOCK 74 242103729Swollman#define _SC_MQ_PRIO_MAX 75 243103729Swollman#define _SC_READER_WRITER_LOCKS 76 /* user */ 244103729Swollman#define _SC_REGEXP 77 /* user */ 245103729Swollman#define _SC_SHELL 78 /* user */ 246103729Swollman#define _SC_SPAWN 79 /* user */ 247103729Swollman#define _SC_SPIN_LOCKS 80 /* user */ 248103729Swollman#define _SC_SPORADIC_SERVER 81 249103729Swollman#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 250103729Swollman#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 251103729Swollman#define _SC_THREAD_CPUTIME 84 /* user */ 252103729Swollman#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 253103729Swollman#define _SC_THREAD_KEYS_MAX 86 /* user */ 254103729Swollman#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 255103729Swollman#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 256103729Swollman#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 257103729Swollman#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 258103729Swollman#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 259103729Swollman#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 260103729Swollman#define _SC_THREAD_STACK_MIN 93 /* user */ 261103729Swollman#define _SC_THREAD_THREADS_MAX 94 /* user */ 262103729Swollman#define _SC_TIMEOUTS 95 /* user */ 263103729Swollman#define _SC_THREADS 96 /* user */ 264103729Swollman#define _SC_TRACE 97 /* user */ 265103729Swollman#define _SC_TRACE_EVENT_FILTER 98 /* user */ 266103729Swollman#define _SC_TRACE_INHERIT 99 /* user */ 267103729Swollman#define _SC_TRACE_LOG 100 /* user */ 268103729Swollman#define _SC_TTY_NAME_MAX 101 /* user */ 269103729Swollman#define _SC_TYPED_MEMORY_OBJECTS 102 270103729Swollman#define _SC_V6_ILP32_OFF32 103 /* user */ 271103729Swollman#define _SC_V6_ILP32_OFFBIG 104 /* user */ 272103729Swollman#define _SC_V6_LP64_OFF64 105 /* user */ 273103729Swollman#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 274106055Swollman#define _SC_IPV6 118 275106055Swollman#define _SC_RAW_SOCKETS 119 276106055Swollman#define _SC_SYMLOOP_MAX 120 277103729Swollman#endif 278103729Swollman 279103729Swollman#if __XSI_VISIBLE 280103729Swollman#define _SC_ATEXIT_MAX 107 /* user */ 281103729Swollman#define _SC_IOV_MAX 56 282103729Swollman#define _SC_PAGE_SIZE _SC_PAGESIZE 283103729Swollman#define _SC_XOPEN_CRYPT 108 /* user */ 284103729Swollman#define _SC_XOPEN_ENH_I18N 109 /* user */ 285103729Swollman#define _SC_XOPEN_LEGACY 110 /* user */ 286103729Swollman#define _SC_XOPEN_REALTIME 111 287103729Swollman#define _SC_XOPEN_REALTIME_THREADS 112 288103729Swollman#define _SC_XOPEN_SHM 113 289103729Swollman#define _SC_XOPEN_STREAMS 114 290103729Swollman#define _SC_XOPEN_UNIX 115 291103729Swollman#define _SC_XOPEN_VERSION 116 292103729Swollman#define _SC_XOPEN_XCU_VERSION 117 /* user */ 293103729Swollman#endif 294103729Swollman 295103729Swollman#if __BSD_VISIBLE 296103729Swollman#define _SC_NPROCESSORS_CONF 57 297103729Swollman#define _SC_NPROCESSORS_ONLN 58 298103729Swollman#endif 299103729Swollman 300103729Swollman/* Keys for the confstr(3) function. */ 301103729Swollman#if __POSIX_VISIBLE >= 199209 302103729Swollman#define _CS_PATH 1 /* default value of PATH */ 303103729Swollman#endif 304103729Swollman 305103729Swollman#if __POSIX_VISIBLE >= 200112 306103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 307103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 308103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 309103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 310103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 311103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 312103729Swollman#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 313103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 314103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 315103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 316103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 317103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 318103729Swollman#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 319103729Swollman#endif 320103729Swollman 3211539Srgrimes__BEGIN_DECLS 32298269Swollman/* 1003.1-1990 */ 32393032Simpvoid _exit(int) __dead2; 32493032Simpint access(const char *, int); 32593032Simpunsigned int alarm(unsigned int); 32693032Simpint chdir(const char *); 32793032Simpint chown(const char *, uid_t, gid_t); 32893032Simpint close(int); 32993032Simpint dup(int); 33093032Simpint dup2(int, int); 33193032Simpint eaccess(const char *, int); 33293032Simpint execl(const char *, const char *, ...); 33393032Simpint execle(const char *, const char *, ...); 33493032Simpint execlp(const char *, const char *, ...); 33593032Simpint execv(const char *, char * const *); 33693032Simpint execve(const char *, char * const *, char * const *); 33793032Simpint execvp(const char *, char * const *); 33893032Simppid_t fork(void); 33993032Simplong fpathconf(int, int); 34093032Simpchar *getcwd(char *, size_t); 34193032Simpgid_t getegid(void); 34293032Simpuid_t geteuid(void); 34393032Simpgid_t getgid(void); 34493032Simpint getgroups(int, gid_t []); 34593032Simpchar *getlogin(void); 34693032Simppid_t getpgrp(void); 34793032Simppid_t getpid(void); 34893032Simppid_t getppid(void); 34993032Simpuid_t getuid(void); 35093032Simpint isatty(int); 35193032Simpint link(const char *, const char *); 35224896Sbde#ifndef _LSEEK_DECLARED 35324896Sbde#define _LSEEK_DECLARED 35493032Simpoff_t lseek(int, off_t, int); 35524896Sbde#endif 35693032Simplong pathconf(const char *, int); 35793032Simpint pause(void); 35893032Simpint pipe(int *); 35993032Simpssize_t read(int, void *, size_t); 36093032Simpint rmdir(const char *); 36193032Simpint setgid(gid_t); 36293032Simpint setpgid(pid_t, pid_t); 36393032Simpvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 36493032Simppid_t setsid(void); 36593032Simpint setuid(uid_t); 36693032Simpunsigned int sleep(unsigned int); 36793032Simplong sysconf(int); 36893032Simppid_t tcgetpgrp(int); 36993032Simpint tcsetpgrp(int, pid_t); 37093032Simpchar *ttyname(int); 37193032Simpint unlink(const char *); 37293032Simpssize_t write(int, const void *, size_t); 3731539Srgrimes 374100140Swollman/* 1003.2-1992 */ 375106812Smike#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 37698269Swollmansize_t confstr(int, char *, size_t); 377100145Swollmanint getopt(int, char * const [], const char *); 378100145Swollman 379100145Swollmanextern char *optarg; /* getopt(3) external variables */ 380100145Swollmanextern int optind, opterr, optopt; 38198269Swollman#endif 38298269Swollman 38398269Swollman/* ISO/IEC 9945-1: 1996 */ 384106812Smike#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 385100140Swollmanint fsync(int); 386100140Swollman 38798269Swollman/* 38898269Swollman * ftruncate() was in the POSIX Realtime Extension (it's used for shared 38998269Swollman * memory), but truncate() was not. 39098269Swollman */ 39198269Swollman#ifndef _FTRUNCATE_DECLARED 39298269Swollman#define _FTRUNCATE_DECLARED 39398269Swollmanint ftruncate(int, off_t); 39498269Swollman#endif 395106812Smike#endif 39698269Swollman 397106812Smike#if __POSIX_VISIBLE >= 199506 39898269Swollmanint getlogin_r(char *, int); 39998269Swollman#endif 40098269Swollman 40198269Swollman/* 1003.1-2001 */ 402106812Smike#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 403106812Smikeint fchown(int, uid_t, gid_t); 404106812Smikeint readlink(const char *, char *, int); 405106812Smike#endif 40698269Swollman#if __POSIX_VISIBLE >= 200112 40798269Swollmanint gethostname(char *, int /* socklen_t */); 40898269Swollmanint setegid(gid_t); 40998269Swollmanint seteuid(uid_t); 41098269Swollman#endif 41198269Swollman 412100140Swollman/* 413100140Swollman * symlink() was originally in POSIX.1a, which was withdrawn after 414100140Swollman * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 415103729Swollman * course has been in BSD since 4.2. 416100140Swollman */ 417100140Swollman#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 418103012Stjrint symlink(const char * __restrict, const char * __restrict); 419100140Swollman#endif 420100140Swollman 42198269Swollman/* X/Open System Interfaces */ 42298269Swollman#if __XSI_VISIBLE 42398269Swollmanchar *crypt(const char *, const char *); 42498269Swollman/* char *ctermid(char *); */ /* XXX ??? */ 42598269Swollmanint encrypt(char *, int); 42698269Swollmanint fchdir(int); 427106812Smikelong gethostid(void); 42898269Swollmanint getpgid(pid_t _pid); 42998269Swollmanint getsid(pid_t _pid); 43098269Swollmanchar *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 43198269Swollmanint lchown(const char *, uid_t, gid_t); 43298269Swollmanint lockf(int, int, off_t); 43398269Swollmanint nice(int); 43498269Swollmanssize_t pread(int, void *, size_t, off_t); 43598269Swollmanssize_t pwrite(int, const void *, size_t, off_t); 43698269Swollmanint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 43798269Swollmanint setregid(gid_t, gid_t); 43898269Swollmanint setreuid(uid_t, uid_t); 439103012Stjr/* void swab(const void * __restrict, void * __restrict, ssize_t); */ 44098269Swollmanvoid sync(void); 441108381Smikeuseconds_t ualarm(useconds_t, useconds_t); 442108381Smikeint usleep(useconds_t); 44398269Swollmanpid_t vfork(void); 44498269Swollman 44598269Swollman/* See comment at ftruncate() above. */ 44698269Swollman#ifndef _TRUNCATE_DECLARED 44798269Swollman#define _TRUNCATE_DECLARED 44898269Swollmanint truncate(const char *, off_t); 44998269Swollman#endif 45098269Swollman#endif /* __XSI_VISIBLE */ 45198269Swollman 452106812Smike#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE 453106812Smikeint brk(const void *); 454106812Smikeint chroot(const char *); 455106812Smikeint getdtablesize(void); 456106812Smikeint getpagesize(void) __pure2; 457106812Smikechar *getpass(const char *); 458106812Smikevoid *sbrk(intptr_t); 459106812Smike#endif 460106812Smike 46198269Swollman#if __BSD_VISIBLE 4621539Srgrimesstruct timeval; /* select(2) */ 46393032Simpint acct(const char *); 46493032Simpint async_daemon(void); 465106065Swollmanint check_utility_compat(const char *); 46698269Swollmanconst char * 46793032Simp crypt_get_format(void); 46893032Simpint crypt_set_format(const char *); 46993032Simpint des_cipher(const char *, char *, long, int); 47093032Simpint des_setkey(const char *key); 47193032Simpvoid endusershell(void); 47293032Simpint exect(const char *, char * const *, char * const *); 473117105Sbdeint execvP(const char *, const char *, char * const *); 47493032Simpchar *fflagstostr(u_long); 47593032Simpint getdomainname(char *, int); 47693032Simpint getgrouplist(const char *, gid_t, gid_t *, int *); 47793032Simpmode_t getmode(const void *, mode_t); 47893032Simpint getpeereid(int, uid_t *, gid_t *); 47993032Simpint getresgid(gid_t *, gid_t *, gid_t *); 48093032Simpint getresuid(uid_t *, uid_t *, uid_t *); 48193032Simpchar *getusershell(void); 48293032Simpint initgroups(const char *, gid_t); 48393032Simpint iruserok(unsigned long, int, const char *, const char *); 48493032Simpint iruserok_sa(const void *, int, int, const char *, const char *); 48593032Simpint issetugid(void); 48693032Simpchar *mkdtemp(char *); 48793032Simpint mknod(const char *, mode_t, dev_t); 488103729Swollman#ifndef _MKSTEMP_DECLARED 48993032Simpint mkstemp(char *); 490103729Swollman#define _MKSTEMP_DECLARED 491103729Swollman#endif 49293032Simpint mkstemps(char *, int); 493103729Swollman#ifndef _MKTEMP_DECLARED 49493032Simpchar *mktemp(char *); 495103729Swollman#define _MKTEMP_DECLARED 496103729Swollman#endif 49793032Simpint nfsclnt(int, void *); 49893032Simpint nfssvc(int, void *); 49993032Simpint profil(char *, size_t, vm_offset_t, int); 50093032Simpint rcmd(char **, int, const char *, const char *, const char *, int *); 50193032Simpint rcmd_af(char **, int, const char *, 50293032Simp const char *, const char *, int *, int); 50393032Simpint rcmdsh(char **, int, const char *, 50493032Simp const char *, const char *, const char *); 50593032Simpchar *re_comp(const char *); 50693032Simpint re_exec(const char *); 50793032Simpint reboot(int); 50893032Simpint revoke(const char *); 50993032Simppid_t rfork(int); 51093032Simppid_t rfork_thread(int, void *, int (*)(void *), void *); 51193032Simpint rresvport(int *); 51293032Simpint rresvport_af(int *, int); 51393032Simpint ruserok(const char *, int, const char *, const char *); 514103867Smike#if __BSD_VISIBLE 515103867Smike#ifndef _SELECT_DECLARED 516103867Smike#define _SELECT_DECLARED 51793032Simpint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 518103867Smike#endif 519103867Smike#endif 52093032Simpint setdomainname(const char *, int); 52193032Simpint setgroups(int, const gid_t *); 52293032Simpvoid sethostid(long); 52393032Simpint sethostname(const char *, int); 524103729Swollman#ifndef _SETKEY_DECLARED 52593032Simpint setkey(const char *); 526103729Swollman#define _SETKEY_DECLARED 527103729Swollman#endif 52893032Simpint setlogin(const char *); 52993032Simpvoid *setmode(const char *); 53093032Simpint setresgid(gid_t, gid_t, gid_t); 53193032Simpint setresuid(uid_t, uid_t, uid_t); 53293032Simpint setrgid(gid_t); 53393032Simpint setruid(uid_t); 53493032Simpvoid setusershell(void); 53593032Simpint strtofflags(char **, u_long *, u_long *); 53693032Simpint swapon(const char *); 537107913Sdillonint swapoff(const char *); 53893032Simpint syscall(int, ...); 53993032Simpoff_t __syscall(quad_t, ...); 54093032Simpint ttyslot(void); 54193032Simpint undelete(const char *); 54293032Simpint unwhiteout(const char *); 54393032Simpvoid *valloc(size_t); /* obsoleted by malloc() */ 54423657Speter 54523657Speterextern char *suboptarg; /* getsubopt(3) external variable */ 546103729Swollman#ifndef _GETSUBOPT_DECLARED 54793032Simpint getsubopt(char **, char * const *, char **); 548103729Swollman#define _GETSUBOPT_DECLARED 549103729Swollman#endif 55042518Smsmithextern int optreset; /* getopt(3) external variable */ 55198269Swollman#endif /* __BSD_VISIBLE */ 5521539Srgrimes__END_DECLS 5531539Srgrimes 5541539Srgrimes#endif /* !_UNISTD_H_ */ 555