unistd.h revision 126141
1103856Stjr/*- 2103856Stjr * Copyright (c) 1991, 1993, 1994 3103856Stjr * The Regents of the University of California. All rights reserved. 4103856Stjr * 5103856Stjr * Redistribution and use in source and binary forms, with or without 6103856Stjr * modification, are permitted provided that the following conditions 7103856Stjr * are met: 8227753Stheraven * 1. Redistributions of source code must retain the above copyright 9227753Stheraven * notice, this list of conditions and the following disclaimer. 10227753Stheraven * 2. Redistributions in binary form must reproduce the above copyright 11227753Stheraven * notice, this list of conditions and the following disclaimer in the 12227753Stheraven * documentation and/or other materials provided with the distribution. 13103856Stjr * 3. All advertising materials mentioning features or use of this software 14103856Stjr * must display the following acknowledgement: 15103856Stjr * This product includes software developed by the University of 16103856Stjr * California, Berkeley and its contributors. 17103856Stjr * 4. Neither the name of the University nor the names of its contributors 18103856Stjr * may be used to endorse or promote products derived from this software 19103856Stjr * without specific prior written permission. 20103856Stjr * 21249808Semaste * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22103856Stjr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23103856Stjr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24103856Stjr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25103856Stjr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26103856Stjr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27103856Stjr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28103856Stjr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29103856Stjr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30103856Stjr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31103856Stjr * SUCH DAMAGE. 32103856Stjr * 33103856Stjr * @(#)unistd.h 8.12 (Berkeley) 4/27/95 34103856Stjr * $FreeBSD: head/include/unistd.h 126141 2004-02-23 04:17:59Z ache $ 35103856Stjr */ 36103856Stjr 37103856Stjr#ifndef _UNISTD_H_ 38103856Stjr#define _UNISTD_H_ 39103856Stjr 40103856Stjr#include <sys/cdefs.h> 41103856Stjr#include <sys/types.h> /* XXX adds too much pollution. */ 42103856Stjr#include <sys/unistd.h> 43128844Sobrien#include <sys/_null.h> 44103856Stjr#include <sys/_types.h> 45103856Stjr 46103856Stjr#ifndef _GID_T_DECLARED 47103856Stjrtypedef __gid_t gid_t; 48103856Stjr#define _GID_T_DECLARED 49149313Sstefanf#endif 50103856Stjr 51103856Stjr#ifndef _OFF_T_DECLARED 52103856Stjrtypedef __off_t off_t; 53103856Stjr#define _OFF_T_DECLARED 54103856Stjr#endif 55103856Stjr 56103856Stjr#ifndef _PID_T_DECLARED 57103856Stjrtypedef __pid_t pid_t; 58103856Stjr#define _PID_T_DECLARED 59103856Stjr#endif 60103856Stjr 61227753Stheraven#ifndef _SIZE_T_DECLARED 62103856Stjrtypedef __size_t size_t; 63103856Stjr#define _SIZE_T_DECLARED 64103856Stjr#endif 65103856Stjr 66103856Stjr#ifndef _SSIZE_T_DECLARED 67103856Stjrtypedef __ssize_t ssize_t; 68103856Stjr#define _SSIZE_T_DECLARED 69103856Stjr#endif 70103856Stjr 71103856Stjr#ifndef _UID_T_DECLARED 72103856Stjrtypedef __uid_t uid_t; 73103856Stjr#define _UID_T_DECLARED 74103856Stjr#endif 75103856Stjr 76103856Stjr#ifndef _USECONDS_T_DECLARED 77103856Stjrtypedef __useconds_t useconds_t; 78103856Stjr#define _USECONDS_T_DECLARED 79103856Stjr#endif 80103856Stjr 81103856Stjr#define STDIN_FILENO 0 /* standard input file descriptor */ 82117249Stjr#define STDOUT_FILENO 1 /* standard output file descriptor */ 83117249Stjr#define STDERR_FILENO 2 /* standard error file descriptor */ 84103856Stjr 85103856Stjr#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 86103856Stjr#define F_ULOCK 0 /* unlock locked section */ 87103856Stjr#define F_LOCK 1 /* lock a section for exclusive use */ 88103856Stjr#define F_TLOCK 2 /* test and lock a section for exclusive use */ 89125283Sdas#define F_TEST 3 /* test a section for locks by other procs */ 90103856Stjr#endif 91103856Stjr 92103856Stjr/* 93103856Stjr * POSIX options and option groups we unconditionally do or don't 94103856Stjr * implement. This list includes those options which are exclusively 95103856Stjr * implemented (or not) in user mode. Please keep this list in 96103856Stjr * alphabetical order. 97103856Stjr * 98103856Stjr * Anything which is defined as zero below **must** have an 99103856Stjr * implementation for the corresponding sysconf() which is able to 100157381Sphk * determine conclusively whether or not the feature is supported. 101227753Stheraven * Anything which is defined as other than -1 below **must** have 102157381Sphk * complete headers, types, and function declarations as specified by 103117249Stjr * the POSIX standard; however, if the relevant sysconf() function 104234585Sdas * returns -1, the functions may be stubbed out. 105234585Sdas */ 106234585Sdas#define _POSIX_BARRIERS -1 107234585Sdas#define _POSIX_READER_WRITER_LOCKS 200112L 108234585Sdas#define _POSIX_REGEXP 1 109103856Stjr#define _POSIX_SHELL 1 110234585Sdas#define _POSIX_SPAWN -1 111234585Sdas#define _POSIX_SPIN_LOCKS -1 112234585Sdas#define _POSIX_THREAD_ATTR_STACKADDR 200112L 113234585Sdas#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 114234585Sdas#define _POSIX_THREAD_CPUTIME -1 115234585Sdas#define _POSIX_THREAD_PRIO_INHERIT 200112L 116234585Sdas#define _POSIX_THREAD_PRIO_PROTECT 200112L 117234585Sdas#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 118234585Sdas#define _POSIX_THREAD_PROCESS_SHARED -1 119234585Sdas#define _POSIX_THREAD_SAFE_FUNCTIONS -1 120234585Sdas#define _POSIX_THREAD_SPORADIC_SERVER -1 121234585Sdas#define _POSIX_THREADS 200112L 122234585Sdas#define _POSIX_TRACE -1 123234585Sdas#define _POSIX_TRACE_EVENT_FILTER -1 124234585Sdas#define _POSIX_TRACE_INHERIT -1 125234585Sdas#define _POSIX_TRACE_LOG -1 126234585Sdas#define _POSIX2_C_BIND 200112L /* mandatory */ 127234585Sdas#define _POSIX2_C_DEV -1 /* need c99 utility */ 128234585Sdas#define _POSIX2_CHAR_TERM 1 129234585Sdas#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 130234585Sdas#define _POSIX2_FORT_RUN 200112L 131234585Sdas#define _POSIX2_LOCALEDEF -1 132187422Sdas#define _POSIX2_PBS -1 133187422Sdas#define _POSIX2_PBS_ACCOUNTING -1 134103856Stjr#define _POSIX2_PBS_CHECKPOINT -1 135234585Sdas#define _POSIX2_PBS_LOCATE -1 136234585Sdas#define _POSIX2_PBS_MESSAGE -1 137234585Sdas#define _POSIX2_PBS_TRACK -1 138234585Sdas#define _POSIX2_SW_DEV -1 /* XXX ??? */ 139234585Sdas#define _POSIX2_UPE 200112L 140234585Sdas#define _V6_ILP32_OFF32 -1 141234836Sdumbbell#define _V6_ILP32_OFFBIG 0 142234585Sdas#define _V6_LP64_OFF64 0 143234585Sdas#define _V6_LPBIG_OFFBIG -1 144234585Sdas 145234585Sdas#if __XSI_VISIBLE 146234585Sdas#define _XOPEN_CRYPT -1 /* XXX ??? */ 147234585Sdas#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 148234585Sdas#define _XOPEN_LEGACY -1 149234585Sdas#define _XOPEN_REALTIME -1 150234825Sdas#define _XOPEN_REALTIME_THREADS -1 151234825Sdas#define _XOPEN_UNIX -1 152234585Sdas#endif 153234585Sdas 154234585Sdas/* Define the POSIX.2 version we target for compliance. */ 155234825Sdas#define _POSIX2_VERSION 199212L 156234585Sdas 157234585Sdas/* 158234585Sdas * POSIX-style system configuration variable accessors (for the 159234585Sdas * sysconf function). The kernel does not directly implement the 160234585Sdas * sysconf() interface; rather, a C library stub translates references 161234585Sdas * to sysconf() into calls to sysctl() using a giant switch statement. 162234585Sdas * Those that are marked `user' are implemented entirely in the C 163234585Sdas * library and never query the kernel. pathconf() is implemented 164234585Sdas * directly by the kernel so those are not defined here. 165234585Sdas */ 166234585Sdas#define _SC_ARG_MAX 1 167234585Sdas#define _SC_CHILD_MAX 2 168234585Sdas#define _SC_CLK_TCK 3 169234585Sdas#define _SC_NGROUPS_MAX 4 170234585Sdas#define _SC_OPEN_MAX 5 171234585Sdas#define _SC_JOB_CONTROL 6 172234585Sdas#define _SC_SAVED_IDS 7 173234585Sdas#define _SC_VERSION 8 174234585Sdas#define _SC_BC_BASE_MAX 9 /* user */ 175234585Sdas#define _SC_BC_DIM_MAX 10 /* user */ 176234585Sdas#define _SC_BC_SCALE_MAX 11 /* user */ 177234585Sdas#define _SC_BC_STRING_MAX 12 /* user */ 178234585Sdas#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 179234585Sdas#define _SC_EXPR_NEST_MAX 14 /* user */ 180234585Sdas#define _SC_LINE_MAX 15 /* user */ 181234585Sdas#define _SC_RE_DUP_MAX 16 /* user */ 182234836Sdumbbell#define _SC_2_VERSION 17 /* user */ 183234585Sdas#define _SC_2_C_BIND 18 /* user */ 184234585Sdas#define _SC_2_C_DEV 19 /* user */ 185234585Sdas#define _SC_2_CHAR_TERM 20 /* user */ 186234585Sdas#define _SC_2_FORT_DEV 21 /* user */ 187234585Sdas#define _SC_2_FORT_RUN 22 /* user */ 188234585Sdas#define _SC_2_LOCALEDEF 23 /* user */ 189234585Sdas#define _SC_2_SW_DEV 24 /* user */ 190234585Sdas#define _SC_2_UPE 25 /* user */ 191234585Sdas#define _SC_STREAM_MAX 26 /* user */ 192234585Sdas#define _SC_TZNAME_MAX 27 /* user */ 193234825Sdas 194234825Sdas#if __POSIX_VISIBLE >= 199309 195234585Sdas#define _SC_ASYNCHRONOUS_IO 28 196234585Sdas#define _SC_MAPPED_FILES 29 197234585Sdas#define _SC_MEMLOCK 30 198234825Sdas#define _SC_MEMLOCK_RANGE 31 199234585Sdas#define _SC_MEMORY_PROTECTION 32 200234585Sdas#define _SC_MESSAGE_PASSING 33 201234585Sdas#define _SC_PRIORITIZED_IO 34 202234585Sdas#define _SC_PRIORITY_SCHEDULING 35 203234585Sdas#define _SC_REALTIME_SIGNALS 36 204234585Sdas#define _SC_SEMAPHORES 37 205234585Sdas#define _SC_FSYNC 38 206234585Sdas#define _SC_SHARED_MEMORY_OBJECTS 39 207234585Sdas#define _SC_SYNCHRONIZED_IO 40 208234585Sdas#define _SC_TIMERS 41 209234585Sdas#define _SC_AIO_LISTIO_MAX 42 210234585Sdas#define _SC_AIO_MAX 43 211234585Sdas#define _SC_AIO_PRIO_DELTA_MAX 44 212234585Sdas#define _SC_DELAYTIMER_MAX 45 213234585Sdas#define _SC_MQ_OPEN_MAX 46 214234585Sdas#define _SC_PAGESIZE 47 215234585Sdas#define _SC_RTSIG_MAX 48 216234585Sdas#define _SC_SEM_NSEMS_MAX 49 217234585Sdas#define _SC_SEM_VALUE_MAX 50 218234585Sdas#define _SC_SIGQUEUE_MAX 51 219234585Sdas#define _SC_TIMER_MAX 52 220234585Sdas#endif 221234585Sdas 222234585Sdas#if __POSIX_VISIBLE >= 200112 223234585Sdas#define _SC_2_PBS 59 /* user */ 224234585Sdas#define _SC_2_PBS_ACCOUNTING 60 /* user */ 225234585Sdas#define _SC_2_PBS_CHECKPOINT 61 /* user */ 226234585Sdas#define _SC_2_PBS_LOCATE 62 /* user */ 227234585Sdas#define _SC_2_PBS_MESSAGE 63 /* user */ 228234585Sdas#define _SC_2_PBS_TRACK 64 /* user */ 229234585Sdas#define _SC_ADVISORY_INFO 65 230234585Sdas#define _SC_BARRIERS 66 /* user */ 231234585Sdas#define _SC_CLOCK_SELECTION 67 232234585Sdas#define _SC_CPUTIME 68 233234585Sdas#define _SC_FILE_LOCKING 69 234234585Sdas#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 235234585Sdas#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 236234585Sdas#define _SC_HOST_NAME_MAX 72 237234585Sdas#define _SC_LOGIN_NAME_MAX 73 238234585Sdas#define _SC_MONOTONIC_CLOCK 74 239234585Sdas#define _SC_MQ_PRIO_MAX 75 240234836Sdumbbell#define _SC_READER_WRITER_LOCKS 76 /* user */ 241234585Sdas#define _SC_REGEXP 77 /* user */ 242234585Sdas#define _SC_SHELL 78 /* user */ 243234585Sdas#define _SC_SPAWN 79 /* user */ 244234585Sdas#define _SC_SPIN_LOCKS 80 /* user */ 245234585Sdas#define _SC_SPORADIC_SERVER 81 246234585Sdas#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 247234585Sdas#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 248234585Sdas#define _SC_THREAD_CPUTIME 84 /* user */ 249234825Sdas#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 250234585Sdas#define _SC_THREAD_KEYS_MAX 86 /* user */ 251234825Sdas#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 252234585Sdas#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 253234585Sdas#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 254234585Sdas#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 255234825Sdas#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 256234585Sdas#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 257234585Sdas#define _SC_THREAD_STACK_MIN 93 /* user */ 258234585Sdas#define _SC_THREAD_THREADS_MAX 94 /* user */ 259234585Sdas#define _SC_TIMEOUTS 95 /* user */ 260234585Sdas#define _SC_THREADS 96 /* user */ 261234585Sdas#define _SC_TRACE 97 /* user */ 262234585Sdas#define _SC_TRACE_EVENT_FILTER 98 /* user */ 263234585Sdas#define _SC_TRACE_INHERIT 99 /* user */ 264234585Sdas#define _SC_TRACE_LOG 100 /* user */ 265234585Sdas#define _SC_TTY_NAME_MAX 101 /* user */ 266234585Sdas#define _SC_TYPED_MEMORY_OBJECTS 102 267234585Sdas#define _SC_V6_ILP32_OFF32 103 /* user */ 268234585Sdas#define _SC_V6_ILP32_OFFBIG 104 /* user */ 269234585Sdas#define _SC_V6_LP64_OFF64 105 /* user */ 270234585Sdas#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 271234585Sdas#define _SC_IPV6 118 272234585Sdas#define _SC_RAW_SOCKETS 119 273234585Sdas#define _SC_SYMLOOP_MAX 120 274234585Sdas#endif 275234585Sdas 276234585Sdas#if __XSI_VISIBLE 277234585Sdas#define _SC_ATEXIT_MAX 107 /* user */ 278234585Sdas#define _SC_IOV_MAX 56 279234585Sdas#define _SC_PAGE_SIZE _SC_PAGESIZE 280234585Sdas#define _SC_XOPEN_CRYPT 108 /* user */ 281234585Sdas#define _SC_XOPEN_ENH_I18N 109 /* user */ 282234585Sdas#define _SC_XOPEN_LEGACY 110 /* user */ 283234585Sdas#define _SC_XOPEN_REALTIME 111 284234585Sdas#define _SC_XOPEN_REALTIME_THREADS 112 285234585Sdas#define _SC_XOPEN_SHM 113 286234585Sdas#define _SC_XOPEN_STREAMS 114 287234585Sdas#define _SC_XOPEN_UNIX 115 288234585Sdas#define _SC_XOPEN_VERSION 116 289234585Sdas#define _SC_XOPEN_XCU_VERSION 117 /* user */ 290234585Sdas#endif 291234585Sdas 292234585Sdas#if __BSD_VISIBLE 293234585Sdas#define _SC_NPROCESSORS_CONF 57 294234585Sdas#define _SC_NPROCESSORS_ONLN 58 295234585Sdas#endif 296234585Sdas 297234585Sdas/* Keys for the confstr(3) function. */ 298234585Sdas#if __POSIX_VISIBLE >= 199209 299234585Sdas#define _CS_PATH 1 /* default value of PATH */ 300234585Sdas#endif 301234585Sdas 302234585Sdas#if __POSIX_VISIBLE >= 200112 303234585Sdas#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 304234585Sdas#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 305234585Sdas#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 306234585Sdas#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 307234585Sdas#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 308234585Sdas#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 309234585Sdas#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 310234585Sdas#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 311234585Sdas#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 312234585Sdas#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 313234585Sdas#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 314234585Sdas#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 315234585Sdas#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 316234585Sdas#endif 317234585Sdas 318234585Sdas__BEGIN_DECLS 319234585Sdas/* 1003.1-1990 */ 320234585Sdasvoid _exit(int) __dead2; 321234585Sdasint access(const char *, int); 322234585Sdasunsigned int alarm(unsigned int); 323234585Sdasint chdir(const char *); 324234585Sdasint chown(const char *, uid_t, gid_t); 325234585Sdasint close(int); 326234585Sdasint dup(int); 327234585Sdasint dup2(int, int); 328234585Sdasint eaccess(const char *, int); 329234585Sdasint execl(const char *, const char *, ...); 330234585Sdasint execle(const char *, const char *, ...); 331234585Sdasint execlp(const char *, const char *, ...); 332234585Sdasint execv(const char *, char * const *); 333234585Sdasint execve(const char *, char * const *, char * const *); 334234585Sdasint execvp(const char *, char * const *); 335234585Sdaspid_t fork(void); 336234585Sdaslong fpathconf(int, int); 337234585Sdaschar *getcwd(char *, size_t); 338234585Sdasgid_t getegid(void); 339234585Sdasuid_t geteuid(void); 340234585Sdasgid_t getgid(void); 341234585Sdasint getgroups(int, gid_t []); 342234585Sdaschar *getlogin(void); 343234585Sdaspid_t getpgrp(void); 344234585Sdaspid_t getpid(void); 345234585Sdaspid_t getppid(void); 346234585Sdasuid_t getuid(void); 347234585Sdasint isatty(int); 348234585Sdasint link(const char *, const char *); 349234585Sdas#ifndef _LSEEK_DECLARED 350234585Sdas#define _LSEEK_DECLARED 351234585Sdasoff_t lseek(int, off_t, int); 352234585Sdas#endif 353234585Sdaslong pathconf(const char *, int); 354234585Sdasint pause(void); 355234585Sdasint pipe(int *); 356234585Sdasssize_t read(int, void *, size_t); 357234585Sdasint rmdir(const char *); 358234585Sdasint setgid(gid_t); 359234585Sdasint setpgid(pid_t, pid_t); 360234585Sdasvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 361234585Sdaspid_t setsid(void); 362234585Sdasint setuid(uid_t); 363234585Sdasunsigned int sleep(unsigned int); 364234585Sdaslong sysconf(int); 365234585Sdaspid_t tcgetpgrp(int); 366234585Sdasint tcsetpgrp(int, pid_t); 367234585Sdaschar *ttyname(int); 368234585Sdasint unlink(const char *); 369234585Sdasssize_t write(int, const void *, size_t); 370234585Sdas 371234585Sdas/* 1003.2-1992 */ 372234585Sdas#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 373234585Sdassize_t confstr(int, char *, size_t); 374234585Sdas#ifndef _GETOPT_DECLARED 375234836Sdumbbell#define _GETOPT_DECLARED 376234585Sdasint getopt(int, char * const [], const char *); 377234585Sdas 378234585Sdasextern char *optarg; /* getopt(3) external variables */ 379234585Sdasextern int optind, opterr, optopt; 380234585Sdas#endif /* _GETOPT_DECLARED */ 381234585Sdas#endif 382234585Sdas 383234585Sdas/* ISO/IEC 9945-1: 1996 */ 384234585Sdas#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 385234585Sdasint fsync(int); 386234585Sdas 387234585Sdas/* 388234585Sdas * ftruncate() was in the POSIX Realtime Extension (it's used for shared 389234585Sdas * memory), but truncate() was not. 390234585Sdas */ 391234585Sdas#ifndef _FTRUNCATE_DECLARED 392234585Sdas#define _FTRUNCATE_DECLARED 393234585Sdasint ftruncate(int, off_t); 394234585Sdas#endif 395234585Sdas#endif 396234585Sdas 397234585Sdas#if __POSIX_VISIBLE >= 199506 398234585Sdasint getlogin_r(char *, int); 399234585Sdas#endif 400234585Sdas 401234585Sdas/* 1003.1-2001 */ 402234585Sdas#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 403234585Sdasint fchown(int, uid_t, gid_t); 404234585Sdasint readlink(const char *, char *, int); 405234585Sdas#endif 406234585Sdas#if __POSIX_VISIBLE >= 200112 407234585Sdasint gethostname(char *, size_t); 408234585Sdasint setegid(gid_t); 409234585Sdasint seteuid(uid_t); 410234585Sdas#endif 411234585Sdas 412234585Sdas/* 413234585Sdas * symlink() was originally in POSIX.1a, which was withdrawn after 414234585Sdas * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 415234585Sdas * course has been in BSD since 4.2. 416234585Sdas */ 417234585Sdas#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 418234585Sdasint symlink(const char * __restrict, const char * __restrict); 419234585Sdas#endif 420234585Sdas 421234585Sdas/* X/Open System Interfaces */ 422103856Stjr#if __XSI_VISIBLE 423103856Stjrchar *crypt(const char *, const char *); 424103856Stjr/* char *ctermid(char *); */ /* XXX ??? */ 425227753Stheravenint encrypt(char *, int); 426227753Stheravenint fchdir(int); 427103856Stjrlong gethostid(void); 428103856Stjrint getpgid(pid_t _pid); 429227753Stheravenint getsid(pid_t _pid); 430103856Stjrchar *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 431103856Stjrint lchown(const char *, uid_t, gid_t); 432103856Stjrint lockf(int, int, off_t); 433227753Stheravenint nice(int); 434103856Stjrssize_t pread(int, void *, size_t, off_t); 435103856Stjrssize_t pwrite(int, const void *, size_t, off_t); 436103856Stjrint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 437227753Stheravenint setregid(gid_t, gid_t); 438227753Stheravenint setreuid(uid_t, uid_t); 439227753Stheraven/* void swab(const void * __restrict, void * __restrict, ssize_t); */ 440227753Stheravenvoid sync(void); 441227753Stheravenuseconds_t ualarm(useconds_t, useconds_t); 442103856Stjrint usleep(useconds_t); 443103856Stjrpid_t vfork(void); 444103856Stjr 445103856Stjr/* See comment at ftruncate() above. */ 446103856Stjr#ifndef _TRUNCATE_DECLARED 447227753Stheraven#define _TRUNCATE_DECLARED 448227753Stheravenint truncate(const char *, off_t); 449103856Stjr#endif 450234585Sdas#endif /* __XSI_VISIBLE */ 451103856Stjr 452103856Stjr#if __XSI_VISIBLE <= 500 || __BSD_VISIBLE 453103856Stjrint brk(const void *); 454103856Stjrint chroot(const char *); 455103856Stjrint getdtablesize(void); 456234585Sdasint getpagesize(void) __pure2; 457103856Stjrchar *getpass(const char *); 458103856Stjrvoid *sbrk(intptr_t); 459234585Sdas#endif 460103856Stjr 461103856Stjr#if __BSD_VISIBLE 462103856Stjrstruct timeval; /* select(2) */ 463103856Stjrint acct(const char *); 464103856Stjrint async_daemon(void); 465103856Stjrint check_utility_compat(const char *); 466234585Sdasconst char * 467103856Stjr crypt_get_format(void); 468103856Stjrint crypt_set_format(const char *); 469103856Stjrint des_cipher(const char *, char *, long, int); 470103856Stjrint des_setkey(const char *key); 471103856Stjrvoid endusershell(void); 472227753Stheravenint exect(const char *, char * const *, char * const *); 473227753Stheravenint execvP(const char *, const char *, char * const *); 474234588Sdaschar *fflagstostr(u_long); 475103856Stjrint getdomainname(char *, int); 476227753Stheravenint getgrouplist(const char *, gid_t, gid_t *, int *); 477103856Stjrmode_t getmode(const void *, mode_t); 478103856Stjrint getpeereid(int, uid_t *, gid_t *); 479103856Stjrint getresgid(gid_t *, gid_t *, gid_t *); 480103856Stjrint getresuid(uid_t *, uid_t *, uid_t *); 481103856Stjrchar *getusershell(void); 482103856Stjrint initgroups(const char *, gid_t); 483103856Stjrint iruserok(unsigned long, int, const char *, const char *); 484103856Stjrint iruserok_sa(const void *, int, int, const char *, const char *); 485103856Stjrint issetugid(void); 486103856Stjrchar *mkdtemp(char *); 487103856Stjrint mknod(const char *, mode_t, dev_t); 488103856Stjr#ifndef _MKSTEMP_DECLARED 489103856Stjrint mkstemp(char *); 490103856Stjr#define _MKSTEMP_DECLARED 491227753Stheraven#endif 492103856Stjrint mkstemps(char *, int); 493103856Stjr#ifndef _MKTEMP_DECLARED 494227753Stheravenchar *mktemp(char *); 495103856Stjr#define _MKTEMP_DECLARED 496103856Stjr#endif 497103856Stjrint nfsclnt(int, void *); 498103856Stjrint nfssvc(int, void *); 499103856Stjrint profil(char *, size_t, vm_offset_t, int); 500103856Stjrint rcmd(char **, int, const char *, const char *, const char *, int *); 501103856Stjrint rcmd_af(char **, int, const char *, 502103856Stjr const char *, const char *, int *, int); 503103856Stjrint rcmdsh(char **, int, const char *, 504103856Stjr const char *, const char *, const char *); 505103856Stjrchar *re_comp(const char *); 506103856Stjrint re_exec(const char *); 507103856Stjrint reboot(int); 508103856Stjrint revoke(const char *); 509103856Stjrpid_t rfork(int); 510103856Stjrpid_t rfork_thread(int, void *, int (*)(void *), void *); 511103856Stjrint rresvport(int *); 512103856Stjrint rresvport_af(int *, int); 513103856Stjrint ruserok(const char *, int, const char *, const char *); 514103856Stjr#if __BSD_VISIBLE 515103856Stjr#ifndef _SELECT_DECLARED 516103856Stjr#define _SELECT_DECLARED 517103856Stjrint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 518103856Stjr#endif 519103856Stjr#endif 520103856Stjrint setdomainname(const char *, int); 521103856Stjrint setgroups(int, const gid_t *); 522103856Stjrvoid sethostid(long); 523103856Stjrint sethostname(const char *, int); 524103856Stjr#ifndef _SETKEY_DECLARED 525103856Stjrint setkey(const char *); 526103856Stjr#define _SETKEY_DECLARED 527103856Stjr#endif 528103856Stjrint setlogin(const char *); 529103856Stjrvoid *setmode(const char *); 530103856Stjrint setresgid(gid_t, gid_t, gid_t); 531103856Stjrint setresuid(uid_t, uid_t, uid_t); 532103856Stjrint setrgid(gid_t); 533103856Stjrint setruid(uid_t); 534103856Stjrvoid setusershell(void); 535103856Stjrint strtofflags(char **, u_long *, u_long *); 536103856Stjrint swapon(const char *); 537103856Stjrint swapoff(const char *); 538103856Stjrint syscall(int, ...); 539103856Stjroff_t __syscall(quad_t, ...); 540103856Stjrint ttyslot(void); 541103856Stjrint undelete(const char *); 542103856Stjrint unwhiteout(const char *); 543103856Stjrvoid *valloc(size_t); /* obsoleted by malloc() */ 544103856Stjr 545103856Stjrextern int optreset; /* getopt(3) external variable */ 546103856Stjr#endif /* __BSD_VISIBLE */ 547103856Stjr__END_DECLS 548103856Stjr 549103856Stjr#endif /* !_UNISTD_H_ */ 550103856Stjr