unistd.h revision 107913
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 107913 2002-12-15 19:17:57Z dillon $ 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 50102227Smike#ifndef _SIZE_T_DECLARED 51102227Smiketypedef __size_t size_t; 52102227Smike#define _SIZE_T_DECLARED 5393514Smike#endif 5493514Smike 55102227Smike#ifndef _SSIZE_T_DECLARED 56102227Smiketypedef __ssize_t ssize_t; 57102227Smike#define _SSIZE_T_DECLARED 5893514Smike#endif 5993514Smike 60102227Smike#ifndef _UID_T_DECLARED 61102227Smiketypedef __uid_t_ uid_t; 62102227Smike#define _UID_T_DECLARED 6393514Smike#endif 6493514Smike 6593514Smike/* 6693514Smike * XXX missing type definitions for off_t, pid_t and useconds_t. 6793514Smike */ 6893514Smike 691539Srgrimes#define STDIN_FILENO 0 /* standard input file descriptor */ 701539Srgrimes#define STDOUT_FILENO 1 /* standard output file descriptor */ 711539Srgrimes#define STDERR_FILENO 2 /* standard error file descriptor */ 721539Srgrimes 731539Srgrimes#ifndef NULL 741539Srgrimes#define NULL 0 /* null pointer constant */ 751539Srgrimes#endif 761539Srgrimes 7798269Swollman#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 7837566Sbde#define F_ULOCK 0 /* unlock locked section */ 7937566Sbde#define F_LOCK 1 /* lock a section for exclusive use */ 8037566Sbde#define F_TLOCK 2 /* test and lock a section for exclusive use */ 8137566Sbde#define F_TEST 3 /* test a section for locks by other procs */ 8237509Sdt#endif 8337509Sdt 84103729Swollman/* 85103729Swollman * POSIX options and option groups we unconditionally do or don't 86103729Swollman * implement. This list includes those options which are exclusively 87103729Swollman * implemented (or not) in user mode. Please keep this list in 88103729Swollman * alphabetical order. 89103729Swollman * 90103729Swollman * Anything which is defined as zero below **must** have an 91103729Swollman * implementation for the corresponding sysconf() which is able to 92103729Swollman * determine conclusively whether or not the feature is supported. 93103729Swollman * Anything which is defined as other than -1 below **must** have 94103729Swollman * complete headers, types, and function declarations as specified by 95103729Swollman * the POSIX standard; however, if the relevant sysconf() function 96103729Swollman * returns -1, the functions may be stubbed out. 97103729Swollman */ 98103729Swollman#define _POSIX_BARRIERS -1 99103729Swollman#define _POSIX_READER_WRITER_LOCKS 200112L 100103729Swollman#define _POSIX_REGEXP 1 101103729Swollman#define _POSIX_SHELL 1 102103729Swollman#define _POSIX_SPAWN -1 103103729Swollman#define _POSIX_SPIN_LOCKS -1 104103729Swollman#define _POSIX_THREAD_ATTR_STACKADDR 200112L 105103729Swollman#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 106103729Swollman#define _POSIX_THREAD_CPUTIME -1 107103729Swollman#define _POSIX_THREAD_PRIO_INHERIT 200112L 108103729Swollman#define _POSIX_THREAD_PRIO_PROTECT 200112L 109103729Swollman#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 110103729Swollman#define _POSIX_THREAD_PROCESS_SHARED -1 111103729Swollman#define _POSIX_THREAD_SAFE_FUNCTIONS -1 112103729Swollman#define _POSIX_THREAD_SPORADIC_SERVER -1 113103729Swollman#define _POSIX_THREADS 200112L 114103729Swollman#define _POSIX_TRACE -1 115103729Swollman#define _POSIX_TRACE_EVENT_FILTER -1 116103729Swollman#define _POSIX_TRACE_INHERIT -1 117103729Swollman#define _POSIX_TRACE_LOG -1 118103729Swollman#define _POSIX2_C_BIND 200112L /* mandatory */ 119103729Swollman#define _POSIX2_C_DEV -1 /* need c99 utility */ 120103729Swollman#define _POSIX2_CHAR_TERM 1 121103729Swollman#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 122103729Swollman#define _POSIX2_FORT_RUN 200112L 123103729Swollman#define _POSIX2_LOCALEDEF -1 124103729Swollman#define _POSIX2_PBS -1 125103729Swollman#define _POSIX2_PBS_ACCOUNTING -1 126103729Swollman#define _POSIX2_PBS_CHECKPOINT -1 127103729Swollman#define _POSIX2_PBS_LOCATE -1 128103729Swollman#define _POSIX2_PBS_MESSAGE -1 129103729Swollman#define _POSIX2_PBS_TRACK -1 130103729Swollman#define _POSIX2_SW_DEV -1 /* XXX ??? */ 131103729Swollman#define _POSIX2_UPE 200112L 132103729Swollman#define _V6_ILP32_OFF32 -1 133103729Swollman#define _V6_ILP32_OFFBIG 0 134103729Swollman#define _V6_LP64_OFF64 0 135103729Swollman#define _V6_LPBIG_OFFBIG -1 136103729Swollman 137103729Swollman#if __XSI_VISIBLE 138103729Swollman#define _XOPEN_CRYPT -1 /* XXX ??? */ 139103729Swollman#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 140103729Swollman#define _XOPEN_LEGACY -1 141103729Swollman#define _XOPEN_REALTIME -1 142103729Swollman#define _XOPEN_REALTIME_THREADS -1 143103729Swollman#define _XOPEN_UNIX -1 144103729Swollman#endif 145103729Swollman 146105045Smike/* Define the POSIX.2 version we target for compliance. */ 147103929Swollman#define _POSIX2_VERSION 199212L 148103729Swollman 149103729Swollman/* 150103729Swollman * POSIX-style system configuration variable accessors (for the 151103729Swollman * sysconf function). The kernel does not directly implement the 152103729Swollman * sysconf() interface; rather, a C library stub translates references 153103729Swollman * to sysconf() into calls to sysctl() using a giant switch statement. 154103729Swollman * Those that are marked `user' are implemented entirely in the C 155103729Swollman * library and never query the kernel. pathconf() is implemented 156103729Swollman * directly by the kernel so those are not defined here. 157103729Swollman */ 158103729Swollman#define _SC_ARG_MAX 1 159103729Swollman#define _SC_CHILD_MAX 2 160103729Swollman#define _SC_CLK_TCK 3 161103729Swollman#define _SC_NGROUPS_MAX 4 162103729Swollman#define _SC_OPEN_MAX 5 163103729Swollman#define _SC_JOB_CONTROL 6 164103729Swollman#define _SC_SAVED_IDS 7 165103729Swollman#define _SC_VERSION 8 166103729Swollman#define _SC_BC_BASE_MAX 9 /* user */ 167103729Swollman#define _SC_BC_DIM_MAX 10 /* user */ 168103729Swollman#define _SC_BC_SCALE_MAX 11 /* user */ 169103729Swollman#define _SC_BC_STRING_MAX 12 /* user */ 170103729Swollman#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 171103729Swollman#define _SC_EXPR_NEST_MAX 14 /* user */ 172103729Swollman#define _SC_LINE_MAX 15 /* user */ 173103729Swollman#define _SC_RE_DUP_MAX 16 /* user */ 174103729Swollman#define _SC_2_VERSION 17 /* user */ 175103729Swollman#define _SC_2_C_BIND 18 /* user */ 176103729Swollman#define _SC_2_C_DEV 19 /* user */ 177103729Swollman#define _SC_2_CHAR_TERM 20 /* user */ 178103729Swollman#define _SC_2_FORT_DEV 21 /* user */ 179103729Swollman#define _SC_2_FORT_RUN 22 /* user */ 180103729Swollman#define _SC_2_LOCALEDEF 23 /* user */ 181103729Swollman#define _SC_2_SW_DEV 24 /* user */ 182103729Swollman#define _SC_2_UPE 25 /* user */ 183103729Swollman#define _SC_STREAM_MAX 26 /* user */ 184103729Swollman#define _SC_TZNAME_MAX 27 /* user */ 185103729Swollman 186103729Swollman#if __POSIX_VISIBLE >= 199309 187103729Swollman#define _SC_ASYNCHRONOUS_IO 28 188103729Swollman#define _SC_MAPPED_FILES 29 189103729Swollman#define _SC_MEMLOCK 30 190103729Swollman#define _SC_MEMLOCK_RANGE 31 191103729Swollman#define _SC_MEMORY_PROTECTION 32 192103729Swollman#define _SC_MESSAGE_PASSING 33 193103729Swollman#define _SC_PRIORITIZED_IO 34 194103729Swollman#define _SC_PRIORITY_SCHEDULING 35 195103729Swollman#define _SC_REALTIME_SIGNALS 36 196103729Swollman#define _SC_SEMAPHORES 37 197103729Swollman#define _SC_FSYNC 38 198103729Swollman#define _SC_SHARED_MEMORY_OBJECTS 39 199103729Swollman#define _SC_SYNCHRONIZED_IO 40 200103729Swollman#define _SC_TIMERS 41 201103729Swollman#define _SC_AIO_LISTIO_MAX 42 202103729Swollman#define _SC_AIO_MAX 43 203103729Swollman#define _SC_AIO_PRIO_DELTA_MAX 44 204103729Swollman#define _SC_DELAYTIMER_MAX 45 205103729Swollman#define _SC_MQ_OPEN_MAX 46 206103729Swollman#define _SC_PAGESIZE 47 207103729Swollman#define _SC_RTSIG_MAX 48 208103729Swollman#define _SC_SEM_NSEMS_MAX 49 209103729Swollman#define _SC_SEM_VALUE_MAX 50 210103729Swollman#define _SC_SIGQUEUE_MAX 51 211103729Swollman#define _SC_TIMER_MAX 52 212103729Swollman#endif 213103729Swollman 214103729Swollman#if __POSIX_VISIBLE >= 200112 215103729Swollman#define _SC_2_PBS 59 /* user */ 216103729Swollman#define _SC_2_PBS_ACCOUNTING 60 /* user */ 217103729Swollman#define _SC_2_PBS_CHECKPOINT 61 /* user */ 218103729Swollman#define _SC_2_PBS_LOCATE 62 /* user */ 219103729Swollman#define _SC_2_PBS_MESSAGE 63 /* user */ 220103729Swollman#define _SC_2_PBS_TRACK 64 /* user */ 221103729Swollman#define _SC_ADVISORY_INFO 65 222103729Swollman#define _SC_BARRIERS 66 /* user */ 223103729Swollman#define _SC_CLOCK_SELECTION 67 224103729Swollman#define _SC_CPUTIME 68 225103729Swollman#define _SC_FILE_LOCKING 69 226103729Swollman#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 227103729Swollman#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 228103729Swollman#define _SC_HOST_NAME_MAX 72 229103729Swollman#define _SC_LOGIN_NAME_MAX 73 230103729Swollman#define _SC_MONOTONIC_CLOCK 74 231103729Swollman#define _SC_MQ_PRIO_MAX 75 232103729Swollman#define _SC_READER_WRITER_LOCKS 76 /* user */ 233103729Swollman#define _SC_REGEXP 77 /* user */ 234103729Swollman#define _SC_SHELL 78 /* user */ 235103729Swollman#define _SC_SPAWN 79 /* user */ 236103729Swollman#define _SC_SPIN_LOCKS 80 /* user */ 237103729Swollman#define _SC_SPORADIC_SERVER 81 238103729Swollman#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 239103729Swollman#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 240103729Swollman#define _SC_THREAD_CPUTIME 84 /* user */ 241103729Swollman#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 242103729Swollman#define _SC_THREAD_KEYS_MAX 86 /* user */ 243103729Swollman#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 244103729Swollman#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 245103729Swollman#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 246103729Swollman#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 247103729Swollman#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 248103729Swollman#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 249103729Swollman#define _SC_THREAD_STACK_MIN 93 /* user */ 250103729Swollman#define _SC_THREAD_THREADS_MAX 94 /* user */ 251103729Swollman#define _SC_TIMEOUTS 95 /* user */ 252103729Swollman#define _SC_THREADS 96 /* user */ 253103729Swollman#define _SC_TRACE 97 /* user */ 254103729Swollman#define _SC_TRACE_EVENT_FILTER 98 /* user */ 255103729Swollman#define _SC_TRACE_INHERIT 99 /* user */ 256103729Swollman#define _SC_TRACE_LOG 100 /* user */ 257103729Swollman#define _SC_TTY_NAME_MAX 101 /* user */ 258103729Swollman#define _SC_TYPED_MEMORY_OBJECTS 102 259103729Swollman#define _SC_V6_ILP32_OFF32 103 /* user */ 260103729Swollman#define _SC_V6_ILP32_OFFBIG 104 /* user */ 261103729Swollman#define _SC_V6_LP64_OFF64 105 /* user */ 262103729Swollman#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 263106055Swollman#define _SC_IPV6 118 264106055Swollman#define _SC_RAW_SOCKETS 119 265106055Swollman#define _SC_SYMLOOP_MAX 120 266103729Swollman#endif 267103729Swollman 268103729Swollman#if __XSI_VISIBLE 269103729Swollman#define _SC_ATEXIT_MAX 107 /* user */ 270103729Swollman#define _SC_IOV_MAX 56 271103729Swollman#define _SC_PAGE_SIZE _SC_PAGESIZE 272103729Swollman#define _SC_XOPEN_CRYPT 108 /* user */ 273103729Swollman#define _SC_XOPEN_ENH_I18N 109 /* user */ 274103729Swollman#define _SC_XOPEN_LEGACY 110 /* user */ 275103729Swollman#define _SC_XOPEN_REALTIME 111 276103729Swollman#define _SC_XOPEN_REALTIME_THREADS 112 277103729Swollman#define _SC_XOPEN_SHM 113 278103729Swollman#define _SC_XOPEN_STREAMS 114 279103729Swollman#define _SC_XOPEN_UNIX 115 280103729Swollman#define _SC_XOPEN_VERSION 116 281103729Swollman#define _SC_XOPEN_XCU_VERSION 117 /* user */ 282103729Swollman#endif 283103729Swollman 284103729Swollman#if __BSD_VISIBLE 285103729Swollman#define _SC_NPROCESSORS_CONF 57 286103729Swollman#define _SC_NPROCESSORS_ONLN 58 287103729Swollman#endif 288103729Swollman 289103729Swollman/* Keys for the confstr(3) function. */ 290103729Swollman#if __POSIX_VISIBLE >= 199209 291103729Swollman#define _CS_PATH 1 /* default value of PATH */ 292103729Swollman#endif 293103729Swollman 294103729Swollman#if __POSIX_VISIBLE >= 200112 295103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 296103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 297103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 298103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 299103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 300103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 301103729Swollman#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 302103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 303103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 304103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 305103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 306103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 307103729Swollman#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 308103729Swollman#endif 309103729Swollman 3101539Srgrimes__BEGIN_DECLS 31198269Swollman/* 1003.1-1990 */ 31293032Simpvoid _exit(int) __dead2; 31393032Simpint access(const char *, int); 31493032Simpunsigned int alarm(unsigned int); 31593032Simpint chdir(const char *); 31693032Simpint chown(const char *, uid_t, gid_t); 31793032Simpint close(int); 31893032Simpint dup(int); 31993032Simpint dup2(int, int); 32093032Simpint eaccess(const char *, int); 32193032Simpint execl(const char *, const char *, ...); 32293032Simpint execle(const char *, const char *, ...); 32393032Simpint execlp(const char *, const char *, ...); 32493032Simpint execv(const char *, char * const *); 32593032Simpint execve(const char *, char * const *, char * const *); 32693032Simpint execvp(const char *, char * const *); 32793032Simppid_t fork(void); 32893032Simplong fpathconf(int, int); 32993032Simpchar *getcwd(char *, size_t); 33093032Simpgid_t getegid(void); 33193032Simpuid_t geteuid(void); 33293032Simpgid_t getgid(void); 33393032Simpint getgroups(int, gid_t []); 33493032Simpchar *getlogin(void); 33593032Simppid_t getpgrp(void); 33693032Simppid_t getpid(void); 33793032Simppid_t getppid(void); 33893032Simpuid_t getuid(void); 33993032Simpint isatty(int); 34093032Simpint link(const char *, const char *); 34124896Sbde#ifndef _LSEEK_DECLARED 34224896Sbde#define _LSEEK_DECLARED 34393032Simpoff_t lseek(int, off_t, int); 34424896Sbde#endif 34593032Simplong pathconf(const char *, int); 34693032Simpint pause(void); 34793032Simpint pipe(int *); 34893032Simpssize_t read(int, void *, size_t); 34993032Simpint rmdir(const char *); 35093032Simpint setgid(gid_t); 35193032Simpint setpgid(pid_t, pid_t); 35293032Simpvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 35393032Simppid_t setsid(void); 35493032Simpint setuid(uid_t); 35593032Simpunsigned int sleep(unsigned int); 35693032Simplong sysconf(int); 35793032Simppid_t tcgetpgrp(int); 35893032Simpint tcsetpgrp(int, pid_t); 35993032Simpchar *ttyname(int); 36093032Simpint unlink(const char *); 36193032Simpssize_t write(int, const void *, size_t); 3621539Srgrimes 363100140Swollman/* 1003.2-1992 */ 364106812Smike#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 36598269Swollmansize_t confstr(int, char *, size_t); 366100145Swollmanint getopt(int, char * const [], const char *); 367100145Swollman 368100145Swollmanextern char *optarg; /* getopt(3) external variables */ 369100145Swollmanextern int optind, opterr, optopt; 37098269Swollman#endif 37198269Swollman 37298269Swollman/* ISO/IEC 9945-1: 1996 */ 373106812Smike#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 374100140Swollmanint fsync(int); 375100140Swollman 37698269Swollman/* 37798269Swollman * ftruncate() was in the POSIX Realtime Extension (it's used for shared 37898269Swollman * memory), but truncate() was not. 37998269Swollman */ 38098269Swollman#ifndef _FTRUNCATE_DECLARED 38198269Swollman#define _FTRUNCATE_DECLARED 38298269Swollmanint ftruncate(int, off_t); 38398269Swollman#endif 384106812Smike#endif 38598269Swollman 386106812Smike#if __POSIX_VISIBLE >= 199506 38798269Swollmanint getlogin_r(char *, int); 38898269Swollman#endif 38998269Swollman 39098269Swollman/* 1003.1-2001 */ 391106812Smike#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 392106812Smikeint fchown(int, uid_t, gid_t); 393106812Smikeint readlink(const char *, char *, int); 394106812Smike#endif 39598269Swollman#if __POSIX_VISIBLE >= 200112 39698269Swollmanint gethostname(char *, int /* socklen_t */); 39798269Swollmanint setegid(gid_t); 39898269Swollmanint seteuid(uid_t); 39998269Swollman#endif 40098269Swollman 401100140Swollman/* 402100140Swollman * symlink() was originally in POSIX.1a, which was withdrawn after 403100140Swollman * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 404103729Swollman * course has been in BSD since 4.2. 405100140Swollman */ 406100140Swollman#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 407103012Stjrint symlink(const char * __restrict, const char * __restrict); 408100140Swollman#endif 409100140Swollman 41098269Swollman/* X/Open System Interfaces */ 41198269Swollman#if __XSI_VISIBLE 41298269Swollmanchar *crypt(const char *, const char *); 41398269Swollman/* char *ctermid(char *); */ /* XXX ??? */ 41498269Swollmanint encrypt(char *, int); 41598269Swollmanint fchdir(int); 416106812Smikelong gethostid(void); 41798269Swollmanint getpgid(pid_t _pid); 41898269Swollmanint getsid(pid_t _pid); 41998269Swollmanchar *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 42098269Swollmanint lchown(const char *, uid_t, gid_t); 42198269Swollmanint lockf(int, int, off_t); 42298269Swollmanint nice(int); 42398269Swollmanssize_t pread(int, void *, size_t, off_t); 42498269Swollmanssize_t pwrite(int, const void *, size_t, off_t); 42598269Swollmanint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 42698269Swollmanint setregid(gid_t, gid_t); 42798269Swollmanint setreuid(uid_t, uid_t); 428103012Stjr/* void swab(const void * __restrict, void * __restrict, ssize_t); */ 42998269Swollmanvoid sync(void); 43098269Swollmanunsigned int ualarm(unsigned int, unsigned int); 43198269Swollmanint usleep(unsigned int); 43298269Swollmanpid_t vfork(void); 43398269Swollman 43498269Swollman/* See comment at ftruncate() above. */ 43598269Swollman#ifndef _TRUNCATE_DECLARED 43698269Swollman#define _TRUNCATE_DECLARED 43798269Swollmanint truncate(const char *, off_t); 43898269Swollman#endif 43998269Swollman#endif /* __XSI_VISIBLE */ 44098269Swollman 441106812Smike#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE 442106812Smikeint brk(const void *); 443106812Smikeint chroot(const char *); 444106812Smikeint getdtablesize(void); 445106812Smikeint getpagesize(void) __pure2; 446106812Smikechar *getpass(const char *); 447106812Smikevoid *sbrk(intptr_t); 448106812Smike#endif 449106812Smike 45098269Swollman#if __BSD_VISIBLE 4511539Srgrimesstruct timeval; /* select(2) */ 45293032Simpint acct(const char *); 45393032Simpint async_daemon(void); 454106065Swollmanint check_utility_compat(const char *); 45598269Swollmanconst char * 45693032Simp crypt_get_format(void); 45793032Simpint crypt_set_format(const char *); 45893032Simpint des_cipher(const char *, char *, long, int); 45993032Simpint des_setkey(const char *key); 46093032Simpvoid endusershell(void); 46193032Simpint exect(const char *, char * const *, char * const *); 46293032Simpchar *fflagstostr(u_long); 46393032Simpint getdomainname(char *, int); 46493032Simpint getgrouplist(const char *, gid_t, gid_t *, int *); 46593032Simpmode_t getmode(const void *, mode_t); 46693032Simpint getpeereid(int, uid_t *, gid_t *); 46793032Simpint getresgid(gid_t *, gid_t *, gid_t *); 46893032Simpint getresuid(uid_t *, uid_t *, uid_t *); 46993032Simpchar *getusershell(void); 47093032Simpint initgroups(const char *, gid_t); 47193032Simpint iruserok(unsigned long, int, const char *, const char *); 47293032Simpint iruserok_sa(const void *, int, int, const char *, const char *); 47393032Simpint issetugid(void); 47493032Simpchar *mkdtemp(char *); 47593032Simpint mknod(const char *, mode_t, dev_t); 476103729Swollman#ifndef _MKSTEMP_DECLARED 47793032Simpint mkstemp(char *); 478103729Swollman#define _MKSTEMP_DECLARED 479103729Swollman#endif 48093032Simpint mkstemps(char *, int); 481103729Swollman#ifndef _MKTEMP_DECLARED 48293032Simpchar *mktemp(char *); 483103729Swollman#define _MKTEMP_DECLARED 484103729Swollman#endif 48593032Simpint nfsclnt(int, void *); 48693032Simpint nfssvc(int, void *); 48793032Simpint profil(char *, size_t, vm_offset_t, int); 48893032Simpint rcmd(char **, int, const char *, const char *, const char *, int *); 48993032Simpint rcmd_af(char **, int, const char *, 49093032Simp const char *, const char *, int *, int); 49193032Simpint rcmdsh(char **, int, const char *, 49293032Simp const char *, const char *, const char *); 49393032Simpchar *re_comp(const char *); 49493032Simpint re_exec(const char *); 49593032Simpint reboot(int); 49693032Simpint revoke(const char *); 49793032Simppid_t rfork(int); 49893032Simppid_t rfork_thread(int, void *, int (*)(void *), void *); 49993032Simpint rresvport(int *); 50093032Simpint rresvport_af(int *, int); 50193032Simpint ruserok(const char *, int, const char *, const char *); 502103867Smike#if __BSD_VISIBLE 503103867Smike#ifndef _SELECT_DECLARED 504103867Smike#define _SELECT_DECLARED 50593032Simpint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 506103867Smike#endif 507103867Smike#endif 50893032Simpint setdomainname(const char *, int); 50993032Simpint setgroups(int, const gid_t *); 51093032Simpvoid sethostid(long); 51193032Simpint sethostname(const char *, int); 512103729Swollman#ifndef _SETKEY_DECLARED 51393032Simpint setkey(const char *); 514103729Swollman#define _SETKEY_DECLARED 515103729Swollman#endif 51693032Simpint setlogin(const char *); 51793032Simpvoid *setmode(const char *); 51893032Simpint setresgid(gid_t, gid_t, gid_t); 51993032Simpint setresuid(uid_t, uid_t, uid_t); 52093032Simpint setrgid(gid_t); 52193032Simpint setruid(uid_t); 52293032Simpvoid setusershell(void); 52393032Simpint strtofflags(char **, u_long *, u_long *); 52493032Simpint swapon(const char *); 525107913Sdillonint swapoff(const char *); 52693032Simpint syscall(int, ...); 52793032Simpoff_t __syscall(quad_t, ...); 52893032Simpint ttyslot(void); 52993032Simpint undelete(const char *); 53093032Simpint unwhiteout(const char *); 53193032Simpvoid *valloc(size_t); /* obsoleted by malloc() */ 53223657Speter 53323657Speterextern char *suboptarg; /* getsubopt(3) external variable */ 534103729Swollman#ifndef _GETSUBOPT_DECLARED 53593032Simpint getsubopt(char **, char * const *, char **); 536103729Swollman#define _GETSUBOPT_DECLARED 537103729Swollman#endif 53842518Smsmithextern int optreset; /* getopt(3) external variable */ 53998269Swollman#endif /* __BSD_VISIBLE */ 5401539Srgrimes__END_DECLS 5411539Srgrimes 5421539Srgrimes#endif /* !_UNISTD_H_ */ 543