unistd.h revision 216603
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. 13203964Simp * 3. Neither the name of the University nor the names of its contributors 141539Srgrimes * may be used to endorse or promote products derived from this software 151539Srgrimes * without specific prior written permission. 161539Srgrimes * 171539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271539Srgrimes * SUCH DAMAGE. 281539Srgrimes * 2923657Speter * @(#)unistd.h 8.12 (Berkeley) 4/27/95 3055033Sbde * $FreeBSD: head/include/unistd.h 216603 2010-12-20 21:12:18Z uqs $ 311539Srgrimes */ 321539Srgrimes 331539Srgrimes#ifndef _UNISTD_H_ 341539Srgrimes#define _UNISTD_H_ 351539Srgrimes 361539Srgrimes#include <sys/cdefs.h> 3793514Smike#include <sys/types.h> /* XXX adds too much pollution. */ 381539Srgrimes#include <sys/unistd.h> 39123257Smarcel#include <sys/_null.h> 4093514Smike#include <sys/_types.h> 411539Srgrimes 42102227Smike#ifndef _GID_T_DECLARED 43102227Smiketypedef __gid_t gid_t; 44102227Smike#define _GID_T_DECLARED 4593514Smike#endif 4693514Smike 47108381Smike#ifndef _OFF_T_DECLARED 48108381Smiketypedef __off_t off_t; 49108381Smike#define _OFF_T_DECLARED 50108381Smike#endif 51108381Smike 52108381Smike#ifndef _PID_T_DECLARED 53108381Smiketypedef __pid_t pid_t; 54108381Smike#define _PID_T_DECLARED 55108381Smike#endif 56108381Smike 57102227Smike#ifndef _SIZE_T_DECLARED 58102227Smiketypedef __size_t size_t; 59102227Smike#define _SIZE_T_DECLARED 6093514Smike#endif 6193514Smike 62102227Smike#ifndef _SSIZE_T_DECLARED 63102227Smiketypedef __ssize_t ssize_t; 64102227Smike#define _SSIZE_T_DECLARED 6593514Smike#endif 6693514Smike 67102227Smike#ifndef _UID_T_DECLARED 68108381Smiketypedef __uid_t uid_t; 69102227Smike#define _UID_T_DECLARED 7093514Smike#endif 7193514Smike 72108381Smike#ifndef _USECONDS_T_DECLARED 73108381Smiketypedef __useconds_t useconds_t; 74108381Smike#define _USECONDS_T_DECLARED 75108381Smike#endif 7693514Smike 77211175Skevlo#define STDIN_FILENO 0 /* standard input file descriptor */ 781539Srgrimes#define STDOUT_FILENO 1 /* standard output file descriptor */ 791539Srgrimes#define STDERR_FILENO 2 /* standard error file descriptor */ 801539Srgrimes 8198269Swollman#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 8237566Sbde#define F_ULOCK 0 /* unlock locked section */ 8337566Sbde#define F_LOCK 1 /* lock a section for exclusive use */ 8437566Sbde#define F_TLOCK 2 /* test and lock a section for exclusive use */ 8537566Sbde#define F_TEST 3 /* test a section for locks by other procs */ 8637509Sdt#endif 8737509Sdt 88103729Swollman/* 89103729Swollman * POSIX options and option groups we unconditionally do or don't 90103729Swollman * implement. This list includes those options which are exclusively 91103729Swollman * implemented (or not) in user mode. Please keep this list in 92103729Swollman * alphabetical order. 93103729Swollman * 94103729Swollman * Anything which is defined as zero below **must** have an 95103729Swollman * implementation for the corresponding sysconf() which is able to 96103729Swollman * determine conclusively whether or not the feature is supported. 97103729Swollman * Anything which is defined as other than -1 below **must** have 98103729Swollman * complete headers, types, and function declarations as specified by 99103729Swollman * the POSIX standard; however, if the relevant sysconf() function 100103729Swollman * returns -1, the functions may be stubbed out. 101103729Swollman */ 102153005Sdavidxu#define _POSIX_BARRIERS 200112L 103103729Swollman#define _POSIX_READER_WRITER_LOCKS 200112L 104103729Swollman#define _POSIX_REGEXP 1 105103729Swollman#define _POSIX_SHELL 1 106180360Sdavidxu#define _POSIX_SPAWN 200112L 107153005Sdavidxu#define _POSIX_SPIN_LOCKS 200112L 108103729Swollman#define _POSIX_THREAD_ATTR_STACKADDR 200112L 109103729Swollman#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 110175431Sdavidxu#define _POSIX_THREAD_CPUTIME 200112L 111103729Swollman#define _POSIX_THREAD_PRIO_INHERIT 200112L 112103729Swollman#define _POSIX_THREAD_PRIO_PROTECT 200112L 113103729Swollman#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 114103729Swollman#define _POSIX_THREAD_PROCESS_SHARED -1 115103729Swollman#define _POSIX_THREAD_SAFE_FUNCTIONS -1 116103729Swollman#define _POSIX_THREAD_SPORADIC_SERVER -1 117103729Swollman#define _POSIX_THREADS 200112L 118103729Swollman#define _POSIX_TRACE -1 119103729Swollman#define _POSIX_TRACE_EVENT_FILTER -1 120103729Swollman#define _POSIX_TRACE_INHERIT -1 121103729Swollman#define _POSIX_TRACE_LOG -1 122103729Swollman#define _POSIX2_C_BIND 200112L /* mandatory */ 123103729Swollman#define _POSIX2_C_DEV -1 /* need c99 utility */ 124103729Swollman#define _POSIX2_CHAR_TERM 1 125103729Swollman#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 126103729Swollman#define _POSIX2_FORT_RUN 200112L 127103729Swollman#define _POSIX2_LOCALEDEF -1 128103729Swollman#define _POSIX2_PBS -1 129103729Swollman#define _POSIX2_PBS_ACCOUNTING -1 130103729Swollman#define _POSIX2_PBS_CHECKPOINT -1 131103729Swollman#define _POSIX2_PBS_LOCATE -1 132103729Swollman#define _POSIX2_PBS_MESSAGE -1 133103729Swollman#define _POSIX2_PBS_TRACK -1 134103729Swollman#define _POSIX2_SW_DEV -1 /* XXX ??? */ 135103729Swollman#define _POSIX2_UPE 200112L 136103729Swollman#define _V6_ILP32_OFF32 -1 137103729Swollman#define _V6_ILP32_OFFBIG 0 138103729Swollman#define _V6_LP64_OFF64 0 139103729Swollman#define _V6_LPBIG_OFFBIG -1 140103729Swollman 141103729Swollman#if __XSI_VISIBLE 142103729Swollman#define _XOPEN_CRYPT -1 /* XXX ??? */ 143103729Swollman#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 144103729Swollman#define _XOPEN_LEGACY -1 145103729Swollman#define _XOPEN_REALTIME -1 146103729Swollman#define _XOPEN_REALTIME_THREADS -1 147103729Swollman#define _XOPEN_UNIX -1 148103729Swollman#endif 149103729Swollman 150105045Smike/* Define the POSIX.2 version we target for compliance. */ 151103929Swollman#define _POSIX2_VERSION 199212L 152103729Swollman 153103729Swollman/* 154103729Swollman * POSIX-style system configuration variable accessors (for the 155103729Swollman * sysconf function). The kernel does not directly implement the 156103729Swollman * sysconf() interface; rather, a C library stub translates references 157103729Swollman * to sysconf() into calls to sysctl() using a giant switch statement. 158103729Swollman * Those that are marked `user' are implemented entirely in the C 159103729Swollman * library and never query the kernel. pathconf() is implemented 160103729Swollman * directly by the kernel so those are not defined here. 161103729Swollman */ 162103729Swollman#define _SC_ARG_MAX 1 163103729Swollman#define _SC_CHILD_MAX 2 164103729Swollman#define _SC_CLK_TCK 3 165103729Swollman#define _SC_NGROUPS_MAX 4 166103729Swollman#define _SC_OPEN_MAX 5 167103729Swollman#define _SC_JOB_CONTROL 6 168103729Swollman#define _SC_SAVED_IDS 7 169103729Swollman#define _SC_VERSION 8 170103729Swollman#define _SC_BC_BASE_MAX 9 /* user */ 171103729Swollman#define _SC_BC_DIM_MAX 10 /* user */ 172103729Swollman#define _SC_BC_SCALE_MAX 11 /* user */ 173103729Swollman#define _SC_BC_STRING_MAX 12 /* user */ 174103729Swollman#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 175103729Swollman#define _SC_EXPR_NEST_MAX 14 /* user */ 176103729Swollman#define _SC_LINE_MAX 15 /* user */ 177103729Swollman#define _SC_RE_DUP_MAX 16 /* user */ 178103729Swollman#define _SC_2_VERSION 17 /* user */ 179103729Swollman#define _SC_2_C_BIND 18 /* user */ 180103729Swollman#define _SC_2_C_DEV 19 /* user */ 181103729Swollman#define _SC_2_CHAR_TERM 20 /* user */ 182103729Swollman#define _SC_2_FORT_DEV 21 /* user */ 183103729Swollman#define _SC_2_FORT_RUN 22 /* user */ 184103729Swollman#define _SC_2_LOCALEDEF 23 /* user */ 185103729Swollman#define _SC_2_SW_DEV 24 /* user */ 186103729Swollman#define _SC_2_UPE 25 /* user */ 187103729Swollman#define _SC_STREAM_MAX 26 /* user */ 188103729Swollman#define _SC_TZNAME_MAX 27 /* user */ 189103729Swollman 190103729Swollman#if __POSIX_VISIBLE >= 199309 191103729Swollman#define _SC_ASYNCHRONOUS_IO 28 192103729Swollman#define _SC_MAPPED_FILES 29 193103729Swollman#define _SC_MEMLOCK 30 194103729Swollman#define _SC_MEMLOCK_RANGE 31 195103729Swollman#define _SC_MEMORY_PROTECTION 32 196103729Swollman#define _SC_MESSAGE_PASSING 33 197103729Swollman#define _SC_PRIORITIZED_IO 34 198103729Swollman#define _SC_PRIORITY_SCHEDULING 35 199103729Swollman#define _SC_REALTIME_SIGNALS 36 200103729Swollman#define _SC_SEMAPHORES 37 201103729Swollman#define _SC_FSYNC 38 202103729Swollman#define _SC_SHARED_MEMORY_OBJECTS 39 203103729Swollman#define _SC_SYNCHRONIZED_IO 40 204103729Swollman#define _SC_TIMERS 41 205103729Swollman#define _SC_AIO_LISTIO_MAX 42 206103729Swollman#define _SC_AIO_MAX 43 207103729Swollman#define _SC_AIO_PRIO_DELTA_MAX 44 208103729Swollman#define _SC_DELAYTIMER_MAX 45 209103729Swollman#define _SC_MQ_OPEN_MAX 46 210103729Swollman#define _SC_PAGESIZE 47 211103729Swollman#define _SC_RTSIG_MAX 48 212103729Swollman#define _SC_SEM_NSEMS_MAX 49 213103729Swollman#define _SC_SEM_VALUE_MAX 50 214103729Swollman#define _SC_SIGQUEUE_MAX 51 215103729Swollman#define _SC_TIMER_MAX 52 216103729Swollman#endif 217103729Swollman 218103729Swollman#if __POSIX_VISIBLE >= 200112 219103729Swollman#define _SC_2_PBS 59 /* user */ 220103729Swollman#define _SC_2_PBS_ACCOUNTING 60 /* user */ 221103729Swollman#define _SC_2_PBS_CHECKPOINT 61 /* user */ 222103729Swollman#define _SC_2_PBS_LOCATE 62 /* user */ 223103729Swollman#define _SC_2_PBS_MESSAGE 63 /* user */ 224103729Swollman#define _SC_2_PBS_TRACK 64 /* user */ 225103729Swollman#define _SC_ADVISORY_INFO 65 226103729Swollman#define _SC_BARRIERS 66 /* user */ 227103729Swollman#define _SC_CLOCK_SELECTION 67 228103729Swollman#define _SC_CPUTIME 68 229103729Swollman#define _SC_FILE_LOCKING 69 230103729Swollman#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 231103729Swollman#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 232103729Swollman#define _SC_HOST_NAME_MAX 72 233103729Swollman#define _SC_LOGIN_NAME_MAX 73 234103729Swollman#define _SC_MONOTONIC_CLOCK 74 235103729Swollman#define _SC_MQ_PRIO_MAX 75 236103729Swollman#define _SC_READER_WRITER_LOCKS 76 /* user */ 237103729Swollman#define _SC_REGEXP 77 /* user */ 238103729Swollman#define _SC_SHELL 78 /* user */ 239103729Swollman#define _SC_SPAWN 79 /* user */ 240103729Swollman#define _SC_SPIN_LOCKS 80 /* user */ 241103729Swollman#define _SC_SPORADIC_SERVER 81 242103729Swollman#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 243103729Swollman#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 244103729Swollman#define _SC_THREAD_CPUTIME 84 /* user */ 245103729Swollman#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 246103729Swollman#define _SC_THREAD_KEYS_MAX 86 /* user */ 247103729Swollman#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 248103729Swollman#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 249103729Swollman#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 250103729Swollman#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 251103729Swollman#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 252103729Swollman#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 253103729Swollman#define _SC_THREAD_STACK_MIN 93 /* user */ 254103729Swollman#define _SC_THREAD_THREADS_MAX 94 /* user */ 255103729Swollman#define _SC_TIMEOUTS 95 /* user */ 256103729Swollman#define _SC_THREADS 96 /* user */ 257103729Swollman#define _SC_TRACE 97 /* user */ 258103729Swollman#define _SC_TRACE_EVENT_FILTER 98 /* user */ 259103729Swollman#define _SC_TRACE_INHERIT 99 /* user */ 260103729Swollman#define _SC_TRACE_LOG 100 /* user */ 261103729Swollman#define _SC_TTY_NAME_MAX 101 /* user */ 262103729Swollman#define _SC_TYPED_MEMORY_OBJECTS 102 263103729Swollman#define _SC_V6_ILP32_OFF32 103 /* user */ 264103729Swollman#define _SC_V6_ILP32_OFFBIG 104 /* user */ 265103729Swollman#define _SC_V6_LP64_OFF64 105 /* user */ 266103729Swollman#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 267106055Swollman#define _SC_IPV6 118 268106055Swollman#define _SC_RAW_SOCKETS 119 269106055Swollman#define _SC_SYMLOOP_MAX 120 270103729Swollman#endif 271103729Swollman 272103729Swollman#if __XSI_VISIBLE 273103729Swollman#define _SC_ATEXIT_MAX 107 /* user */ 274103729Swollman#define _SC_IOV_MAX 56 275103729Swollman#define _SC_PAGE_SIZE _SC_PAGESIZE 276103729Swollman#define _SC_XOPEN_CRYPT 108 /* user */ 277103729Swollman#define _SC_XOPEN_ENH_I18N 109 /* user */ 278103729Swollman#define _SC_XOPEN_LEGACY 110 /* user */ 279103729Swollman#define _SC_XOPEN_REALTIME 111 280103729Swollman#define _SC_XOPEN_REALTIME_THREADS 112 281103729Swollman#define _SC_XOPEN_SHM 113 282103729Swollman#define _SC_XOPEN_STREAMS 114 283103729Swollman#define _SC_XOPEN_UNIX 115 284103729Swollman#define _SC_XOPEN_VERSION 116 285103729Swollman#define _SC_XOPEN_XCU_VERSION 117 /* user */ 286103729Swollman#endif 287103729Swollman 288103729Swollman#if __BSD_VISIBLE 289103729Swollman#define _SC_NPROCESSORS_CONF 57 290103729Swollman#define _SC_NPROCESSORS_ONLN 58 291214510Sdavidxu#define _SC_CPUSET_SIZE 122 292103729Swollman#endif 293103729Swollman 294165230Spjd/* Extensions found in Solaris and Linux. */ 295165230Spjd#define _SC_PHYS_PAGES 121 296165230Spjd 297103729Swollman/* Keys for the confstr(3) function. */ 298103729Swollman#if __POSIX_VISIBLE >= 199209 299103729Swollman#define _CS_PATH 1 /* default value of PATH */ 300103729Swollman#endif 301103729Swollman 302103729Swollman#if __POSIX_VISIBLE >= 200112 303103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 304103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 305103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 306103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 307103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 308103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 309103729Swollman#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 310103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 311103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 312103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 313103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 314103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 315103729Swollman#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 316103729Swollman#endif 317103729Swollman 3181539Srgrimes__BEGIN_DECLS 31998269Swollman/* 1003.1-1990 */ 32093032Simpvoid _exit(int) __dead2; 32193032Simpint access(const char *, int); 32293032Simpunsigned int alarm(unsigned int); 32393032Simpint chdir(const char *); 32493032Simpint chown(const char *, uid_t, gid_t); 32593032Simpint close(int); 326194262Sjhbvoid closefrom(int); 32793032Simpint dup(int); 32893032Simpint dup2(int, int); 32993032Simpint execl(const char *, const char *, ...); 33093032Simpint execle(const char *, const char *, ...); 33193032Simpint execlp(const char *, const char *, ...); 33293032Simpint execv(const char *, char * const *); 33393032Simpint execve(const char *, char * const *, char * const *); 33493032Simpint execvp(const char *, char * const *); 33593032Simppid_t fork(void); 33693032Simplong fpathconf(int, int); 33793032Simpchar *getcwd(char *, size_t); 33893032Simpgid_t getegid(void); 33993032Simpuid_t geteuid(void); 34093032Simpgid_t getgid(void); 34193032Simpint getgroups(int, gid_t []); 34293032Simpchar *getlogin(void); 34393032Simppid_t getpgrp(void); 34493032Simppid_t getpid(void); 34593032Simppid_t getppid(void); 34693032Simpuid_t getuid(void); 34793032Simpint isatty(int); 34893032Simpint link(const char *, const char *); 34924896Sbde#ifndef _LSEEK_DECLARED 35024896Sbde#define _LSEEK_DECLARED 35193032Simpoff_t lseek(int, off_t, int); 35224896Sbde#endif 35393032Simplong pathconf(const char *, int); 35493032Simpint pause(void); 35593032Simpint pipe(int *); 35693032Simpssize_t read(int, void *, size_t); 35793032Simpint rmdir(const char *); 35893032Simpint setgid(gid_t); 35993032Simpint setpgid(pid_t, pid_t); 36093032Simppid_t setsid(void); 36193032Simpint setuid(uid_t); 36293032Simpunsigned int sleep(unsigned int); 36393032Simplong sysconf(int); 36493032Simppid_t tcgetpgrp(int); 36593032Simpint tcsetpgrp(int, pid_t); 36693032Simpchar *ttyname(int); 367146186Sdelphijint ttyname_r(int, char *, size_t); 36893032Simpint unlink(const char *); 36993032Simpssize_t write(int, const void *, size_t); 3701539Srgrimes 371100140Swollman/* 1003.2-1992 */ 372106812Smike#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 37398269Swollmansize_t confstr(int, char *, size_t); 374126141Sache#ifndef _GETOPT_DECLARED 375126141Sache#define _GETOPT_DECLARED 376100145Swollmanint getopt(int, char * const [], const char *); 377100145Swollman 378100145Swollmanextern char *optarg; /* getopt(3) external variables */ 379100145Swollmanextern int optind, opterr, optopt; 380126141Sache#endif /* _GETOPT_DECLARED */ 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); 404176607Srussize_t readlink(const char * __restrict, char * __restrict, size_t); 405106812Smike#endif 40698269Swollman#if __POSIX_VISIBLE >= 200112 407119141Swollmanint gethostname(char *, size_t); 40898269Swollmanint setegid(gid_t); 40998269Swollmanint seteuid(uid_t); 41098269Swollman#endif 41198269Swollman 412189351Sdas/* 1003.1-2008 */ 413189351Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 414189351Sdasint getsid(pid_t _pid); 415189351Sdasint fchdir(int); 416189351Sdasint getpgid(pid_t _pid); 417189351Sdasint lchown(const char *, uid_t, gid_t); 418189351Sdasssize_t pread(int, void *, size_t, off_t); 419189351Sdasssize_t pwrite(int, const void *, size_t, off_t); 420189351Sdas 421189351Sdas/* See comment at ftruncate() above. */ 422189351Sdas#ifndef _TRUNCATE_DECLARED 423189351Sdas#define _TRUNCATE_DECLARED 424189351Sdasint truncate(const char *, off_t); 425189351Sdas#endif 426189351Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 427189351Sdas 428189351Sdas#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 429189351Sdasint faccessat(int, const char *, int, int); 430189351Sdasint fchownat(int, const char *, uid_t, gid_t, int); 431189351Sdasint fexecve(int, char *const [], char *const []); 432189351Sdasint linkat(int, const char *, int, const char *, int); 433189351Sdasssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 434189351Sdasint symlinkat(const char *, int, const char *); 435189351Sdasint unlinkat(int, const char *, int); 436189351Sdas#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */ 437189351Sdas 438100140Swollman/* 439100140Swollman * symlink() was originally in POSIX.1a, which was withdrawn after 440100140Swollman * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 441103729Swollman * course has been in BSD since 4.2. 442100140Swollman */ 443100140Swollman#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 444103012Stjrint symlink(const char * __restrict, const char * __restrict); 445100140Swollman#endif 446100140Swollman 44798269Swollman/* X/Open System Interfaces */ 44898269Swollman#if __XSI_VISIBLE 44998269Swollmanchar *crypt(const char *, const char *); 45098269Swollman/* char *ctermid(char *); */ /* XXX ??? */ 45198269Swollmanint encrypt(char *, int); 452106812Smikelong gethostid(void); 45398269Swollmanint lockf(int, int, off_t); 45498269Swollmanint nice(int); 45598269Swollmanint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 45698269Swollmanint setregid(gid_t, gid_t); 45798269Swollmanint setreuid(uid_t, uid_t); 458138659Strhodes 459138659Strhodes#ifndef _SWAB_DECLARED 460138659Strhodes#define _SWAB_DECLARED 461138659Strhodesvoid swab(const void * __restrict, void * __restrict, ssize_t); 462138659Strhodes#endif /* _SWAB_DECLARED */ 463138659Strhodes 46498269Swollmanvoid sync(void); 46598269Swollman 46698269Swollman#endif /* __XSI_VISIBLE */ 46798269Swollman 468189817Sdas#if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE 469106812Smikeint brk(const void *); 470106812Smikeint chroot(const char *); 471106812Smikeint getdtablesize(void); 472106812Smikeint getpagesize(void) __pure2; 473106812Smikechar *getpass(const char *); 474106812Smikevoid *sbrk(intptr_t); 475106812Smike#endif 476106812Smike 477189817Sdas#if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE 478189351Sdaschar *getwd(char *); /* obsoleted by getcwd() */ 479189351Sdasuseconds_t 480189351Sdas ualarm(useconds_t, useconds_t); 481189351Sdasint usleep(useconds_t); 482189351Sdaspid_t vfork(void); 483189351Sdas#endif 484189351Sdas 48598269Swollman#if __BSD_VISIBLE 4861539Srgrimesstruct timeval; /* select(2) */ 48793032Simpint acct(const char *); 48893032Simpint async_daemon(void); 489106065Swollmanint check_utility_compat(const char *); 49098269Swollmanconst char * 49193032Simp crypt_get_format(void); 49293032Simpint crypt_set_format(const char *); 49393032Simpint des_cipher(const char *, char *, long, int); 49493032Simpint des_setkey(const char *key); 495189817Sdasint eaccess(const char *, int); 49693032Simpvoid endusershell(void); 49793032Simpint exect(const char *, char * const *, char * const *); 498117105Sbdeint execvP(const char *, const char *, char * const *); 499175220Sjhbint feature_present(const char *); 50093032Simpchar *fflagstostr(u_long); 50193032Simpint getdomainname(char *, int); 50293032Simpint getgrouplist(const char *, gid_t, gid_t *, int *); 50393032Simpmode_t getmode(const void *, mode_t); 504183390Speterint getosreldate(void); 50593032Simpint getpeereid(int, uid_t *, gid_t *); 50693032Simpint getresgid(gid_t *, gid_t *, gid_t *); 50793032Simpint getresuid(uid_t *, uid_t *, uid_t *); 50893032Simpchar *getusershell(void); 50993032Simpint initgroups(const char *, gid_t); 51093032Simpint iruserok(unsigned long, int, const char *, const char *); 51193032Simpint iruserok_sa(const void *, int, int, const char *, const char *); 51293032Simpint issetugid(void); 513195458Straszlong lpathconf(const char *, int); 514189351Sdas#ifndef _MKDTEMP_DECLARED 51593032Simpchar *mkdtemp(char *); 516189351Sdas#define _MKDTEMP_DECLARED 517189351Sdas#endif 518143952Sdas#ifndef _MKNOD_DECLARED 51993032Simpint mknod(const char *, mode_t, dev_t); 520143952Sdas#define _MKNOD_DECLARED 521143952Sdas#endif 522103729Swollman#ifndef _MKSTEMP_DECLARED 52393032Simpint mkstemp(char *); 524103729Swollman#define _MKSTEMP_DECLARED 525103729Swollman#endif 52693032Simpint mkstemps(char *, int); 527103729Swollman#ifndef _MKTEMP_DECLARED 52893032Simpchar *mktemp(char *); 529103729Swollman#define _MKTEMP_DECLARED 530103729Swollman#endif 53193032Simpint nfssvc(int, void *); 532216603Suqsint nlm_syscall(int, int, int, char **); 53393032Simpint profil(char *, size_t, vm_offset_t, int); 53493032Simpint rcmd(char **, int, const char *, const char *, const char *, int *); 53593032Simpint rcmd_af(char **, int, const char *, 53693032Simp const char *, const char *, int *, int); 53793032Simpint rcmdsh(char **, int, const char *, 53893032Simp const char *, const char *, const char *); 53993032Simpchar *re_comp(const char *); 54093032Simpint re_exec(const char *); 54193032Simpint reboot(int); 54293032Simpint revoke(const char *); 54393032Simppid_t rfork(int); 54493032Simppid_t rfork_thread(int, void *, int (*)(void *), void *); 54593032Simpint rresvport(int *); 54693032Simpint rresvport_af(int *, int); 54793032Simpint ruserok(const char *, int, const char *, const char *); 548103867Smike#if __BSD_VISIBLE 549103867Smike#ifndef _SELECT_DECLARED 550103867Smike#define _SELECT_DECLARED 55193032Simpint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 552103867Smike#endif 553103867Smike#endif 55493032Simpint setdomainname(const char *, int); 55593032Simpint setgroups(int, const gid_t *); 55693032Simpvoid sethostid(long); 55793032Simpint sethostname(const char *, int); 558103729Swollman#ifndef _SETKEY_DECLARED 55993032Simpint setkey(const char *); 560103729Swollman#define _SETKEY_DECLARED 561103729Swollman#endif 56293032Simpint setlogin(const char *); 56393032Simpvoid *setmode(const char *); 564189817Sdasvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 56593032Simpint setresgid(gid_t, gid_t, gid_t); 56693032Simpint setresuid(uid_t, uid_t, uid_t); 56793032Simpint setrgid(gid_t); 56893032Simpint setruid(uid_t); 56993032Simpvoid setusershell(void); 57093032Simpint strtofflags(char **, u_long *, u_long *); 57193032Simpint swapon(const char *); 572107913Sdillonint swapoff(const char *); 57393032Simpint syscall(int, ...); 57493032Simpoff_t __syscall(quad_t, ...); 57593032Simpint undelete(const char *); 57693032Simpint unwhiteout(const char *); 57793032Simpvoid *valloc(size_t); /* obsoleted by malloc() */ 57823657Speter 579126142Sache#ifndef _OPTRESET_DECLARED 580126142Sache#define _OPTRESET_DECLARED 58142518Smsmithextern int optreset; /* getopt(3) external variable */ 582126142Sache#endif 58398269Swollman#endif /* __BSD_VISIBLE */ 5841539Srgrimes__END_DECLS 5851539Srgrimes 5861539Srgrimes#endif /* !_UNISTD_H_ */ 587