unistd.h Source File

00001 /*-
00002  * Copyright (c) 1991, 1993, 1994
00003  *      The Regents of the University of California.  All rights reserved.
00004  *
00005  * Redistribution and use in source and binary forms, with or without
00006  * modification, are permitted provided that the following conditions
00007  * are met:
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. All advertising materials mentioning features or use of this software
00014  *    must display the following acknowledgement:
00015  *      This product includes software developed by the University of
00016  *      California, Berkeley and its contributors.
00017  * 4. Neither the name of the University nor the names of its contributors
00018  *    may be used to endorse or promote products derived from this software
00019  *    without specific prior written permission.
00020  *
00021  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00022  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00023  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00024  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00025  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00026  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00027  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00028  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00029  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00030  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00031  * SUCH DAMAGE.
00032  *
00033  *      @(#)unistd.h    8.12 (Berkeley) 4/27/95
00034  * $FreeBSD: src/include/unistd.h,v 1.69 2003/08/19 20:39:49 wollman Exp $
00035  */
00036 
00037 #ifndef _UNISTD_H_
00038 #define _UNISTD_H_
00039 
00040 #include <sys/cdefs.h>
00041 #include <sys/types.h>                  /* XXX adds too much pollution. */
00042 //#include <sys/unistd.h>
00043 #include <sys/_types.h>
00044 
00045 #define O_RDONLY 1
00046 #define O_WRONLY 2
00047 #define O_RDWR   3
00048 #define O_CREAT  4
00049 #define O_TRUNC  8
00050 #define O_APPEND 16
00051 
00052 #define STDIN_FILENO 0
00053 #define STDOUT_FILENO 1
00054 #define STDERR_FILENO 2
00055 
00056 #ifndef _GID_T_DECLARED
00057 typedef __gid_t         gid_t;
00058 #define _GID_T_DECLARED
00059 #endif
00060 
00061 #ifndef _OFF_T_DECLARED
00062 typedef __off_t         off_t;
00063 #define _OFF_T_DECLARED
00064 #endif
00065 
00066 #ifndef _PID_T_DECLARED
00067 typedef __pid_t         pid_t;
00068 #define _PID_T_DECLARED
00069 #endif
00070 
00071 #ifndef _SIZE_T_DECLARED
00072 typedef __size_t        size_t;
00073 #define _SIZE_T_DECLARED
00074 #endif
00075 
00076 #ifndef _SSIZE_T_DECLARED
00077 typedef __ssize_t       ssize_t;
00078 #define _SSIZE_T_DECLARED
00079 #endif
00080 
00081 #ifndef _UID_T_DECLARED
00082 typedef __uid_t         uid_t;
00083 #define _UID_T_DECLARED
00084 #endif
00085 
00086 #ifndef _USECONDS_T_DECLARED
00087 typedef __useconds_t    useconds_t;
00088 #define _USECONDS_T_DECLARED
00089 #endif
00090 
00091 #define  STDIN_FILENO   0       /* standard input file descriptor */
00092 #define STDOUT_FILENO   1       /* standard output file descriptor */
00093 #define STDERR_FILENO   2       /* standard error file descriptor */
00094 
00095 #ifndef NULL
00096 #define NULL            0       /* null pointer constant */
00097 #endif
00098 
00099 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
00100 #define F_ULOCK         0       /* unlock locked section */
00101 #define F_LOCK          1       /* lock a section for exclusive use */
00102 #define F_TLOCK         2       /* test and lock a section for exclusive use */
00103 #define F_TEST          3       /* test a section for locks by other procs */
00104 #endif
00105 
00106 /*
00107  * POSIX options and option groups we unconditionally do or don't
00108  * implement.  This list includes those options which are exclusively
00109  * implemented (or not) in user mode.  Please keep this list in
00110  * alphabetical order.
00111  *
00112  * Anything which is defined as zero below **must** have an
00113  * implementation for the corresponding sysconf() which is able to
00114  * determine conclusively whether or not the feature is supported.
00115  * Anything which is defined as other than -1 below **must** have
00116  * complete headers, types, and function declarations as specified by
00117  * the POSIX standard; however, if the relevant sysconf() function
00118  * returns -1, the functions may be stubbed out.
00119  */
00120 #define _POSIX_BARRIERS                 -1
00121 #define _POSIX_READER_WRITER_LOCKS      200112L
00122 #define _POSIX_REGEXP                   1
00123 #define _POSIX_SHELL                    1
00124 #define _POSIX_SPAWN                    -1
00125 #define _POSIX_SPIN_LOCKS               -1
00126 #define _POSIX_THREAD_ATTR_STACKADDR    200112L
00127 #define _POSIX_THREAD_ATTR_STACKSIZE    200112L
00128 #define _POSIX_THREAD_CPUTIME           -1
00129 #define _POSIX_THREAD_PRIO_INHERIT      200112L
00130 #define _POSIX_THREAD_PRIO_PROTECT      200112L
00131 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
00132 #define _POSIX_THREAD_PROCESS_SHARED    -1
00133 #define _POSIX_THREAD_SAFE_FUNCTIONS    -1
00134 #define _POSIX_THREAD_SPORADIC_SERVER   -1
00135 #define _POSIX_THREADS                  200112L
00136 #define _POSIX_TRACE                    -1
00137 #define _POSIX_TRACE_EVENT_FILTER       -1
00138 #define _POSIX_TRACE_INHERIT            -1
00139 #define _POSIX_TRACE_LOG                -1
00140 #define _POSIX2_C_BIND                  200112L /* mandatory */
00141 #define _POSIX2_C_DEV                   -1 /* need c99 utility */
00142 #define _POSIX2_CHAR_TERM               1
00143 #define _POSIX2_FORT_DEV                -1 /* need fort77 utility */
00144 #define _POSIX2_FORT_RUN                200112L
00145 #define _POSIX2_LOCALEDEF               -1
00146 #define _POSIX2_PBS                     -1
00147 #define _POSIX2_PBS_ACCOUNTING          -1
00148 #define _POSIX2_PBS_CHECKPOINT          -1
00149 #define _POSIX2_PBS_LOCATE              -1
00150 #define _POSIX2_PBS_MESSAGE             -1
00151 #define _POSIX2_PBS_TRACK               -1
00152 #define _POSIX2_SW_DEV                  -1 /* XXX ??? */
00153 #define _POSIX2_UPE                     200112L
00154 #define _V6_ILP32_OFF32                 -1
00155 #define _V6_ILP32_OFFBIG                0
00156 #define _V6_LP64_OFF64                  0
00157 #define _V6_LPBIG_OFFBIG                -1
00158 
00159 #if __XSI_VISIBLE
00160 #define _XOPEN_CRYPT                    -1 /* XXX ??? */
00161 #define _XOPEN_ENH_I18N                 -1 /* mandatory in XSI */
00162 #define _XOPEN_LEGACY                   -1
00163 #define _XOPEN_REALTIME                 -1
00164 #define _XOPEN_REALTIME_THREADS         -1
00165 #define _XOPEN_UNIX                     -1
00166 #endif
00167 
00168 /* Define the POSIX.2 version we target for compliance. */
00169 #define _POSIX2_VERSION         199212L
00170 
00171 /*
00172  * POSIX-style system configuration variable accessors (for the
00173  * sysconf function).  The kernel does not directly implement the
00174  * sysconf() interface; rather, a C library stub translates references
00175  * to sysconf() into calls to sysctl() using a giant switch statement.
00176  * Those that are marked `user' are implemented entirely in the C
00177  * library and never query the kernel.  pathconf() is implemented
00178  * directly by the kernel so those are not defined here.
00179  */
00180 #define _SC_ARG_MAX              1
00181 #define _SC_CHILD_MAX            2
00182 #define _SC_CLK_TCK              3
00183 #define _SC_NGROUPS_MAX          4
00184 #define _SC_OPEN_MAX             5
00185 #define _SC_JOB_CONTROL          6
00186 #define _SC_SAVED_IDS            7
00187 #define _SC_VERSION              8
00188 #define _SC_BC_BASE_MAX          9 /* user */
00189 #define _SC_BC_DIM_MAX          10 /* user */
00190 #define _SC_BC_SCALE_MAX        11 /* user */
00191 #define _SC_BC_STRING_MAX       12 /* user */
00192 #define _SC_COLL_WEIGHTS_MAX    13 /* user */
00193 #define _SC_EXPR_NEST_MAX       14 /* user */
00194 #define _SC_LINE_MAX            15 /* user */
00195 #define _SC_RE_DUP_MAX          16 /* user */
00196 #define _SC_2_VERSION           17 /* user */
00197 #define _SC_2_C_BIND            18 /* user */
00198 #define _SC_2_C_DEV             19 /* user */
00199 #define _SC_2_CHAR_TERM         20 /* user */
00200 #define _SC_2_FORT_DEV          21 /* user */
00201 #define _SC_2_FORT_RUN          22 /* user */
00202 #define _SC_2_LOCALEDEF         23 /* user */
00203 #define _SC_2_SW_DEV            24 /* user */
00204 #define _SC_2_UPE               25 /* user */
00205 #define _SC_STREAM_MAX          26 /* user */
00206 #define _SC_TZNAME_MAX          27 /* user */
00207 
00208 #if __POSIX_VISIBLE >= 199309
00209 #define _SC_ASYNCHRONOUS_IO     28
00210 #define _SC_MAPPED_FILES        29
00211 #define _SC_MEMLOCK             30
00212 #define _SC_MEMLOCK_RANGE       31
00213 #define _SC_MEMORY_PROTECTION   32
00214 #define _SC_MESSAGE_PASSING     33
00215 #define _SC_PRIORITIZED_IO      34
00216 #define _SC_PRIORITY_SCHEDULING 35
00217 #define _SC_REALTIME_SIGNALS    36
00218 #define _SC_SEMAPHORES          37
00219 #define _SC_FSYNC               38
00220 #define _SC_SHARED_MEMORY_OBJECTS 39
00221 #define _SC_SYNCHRONIZED_IO     40
00222 #define _SC_TIMERS              41
00223 #define _SC_AIO_LISTIO_MAX      42
00224 #define _SC_AIO_MAX             43
00225 #define _SC_AIO_PRIO_DELTA_MAX  44
00226 #define _SC_DELAYTIMER_MAX      45
00227 #define _SC_MQ_OPEN_MAX         46
00228 #define _SC_PAGESIZE            47
00229 #define _SC_RTSIG_MAX           48
00230 #define _SC_SEM_NSEMS_MAX       49
00231 #define _SC_SEM_VALUE_MAX       50
00232 #define _SC_SIGQUEUE_MAX        51
00233 #define _SC_TIMER_MAX           52
00234 #endif
00235 
00236 #if __POSIX_VISIBLE >= 200112
00237 #define _SC_2_PBS               59 /* user */
00238 #define _SC_2_PBS_ACCOUNTING    60 /* user */
00239 #define _SC_2_PBS_CHECKPOINT    61 /* user */
00240 #define _SC_2_PBS_LOCATE        62 /* user */
00241 #define _SC_2_PBS_MESSAGE       63 /* user */
00242 #define _SC_2_PBS_TRACK         64 /* user */
00243 #define _SC_ADVISORY_INFO       65
00244 #define _SC_BARRIERS            66 /* user */
00245 #define _SC_CLOCK_SELECTION     67
00246 #define _SC_CPUTIME             68
00247 #define _SC_FILE_LOCKING        69
00248 #define _SC_GETGR_R_SIZE_MAX    70 /* user */
00249 #define _SC_GETPW_R_SIZE_MAX    71 /* user */
00250 #define _SC_HOST_NAME_MAX       72
00251 #define _SC_LOGIN_NAME_MAX      73
00252 #define _SC_MONOTONIC_CLOCK     74
00253 #define _SC_MQ_PRIO_MAX         75
00254 #define _SC_READER_WRITER_LOCKS 76 /* user */
00255 #define _SC_REGEXP              77 /* user */
00256 #define _SC_SHELL               78 /* user */
00257 #define _SC_SPAWN               79 /* user */
00258 #define _SC_SPIN_LOCKS          80 /* user */
00259 #define _SC_SPORADIC_SERVER     81
00260 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */
00261 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */
00262 #define _SC_THREAD_CPUTIME      84 /* user */
00263 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
00264 #define _SC_THREAD_KEYS_MAX     86 /* user */
00265 #define _SC_THREAD_PRIO_INHERIT 87 /* user */
00266 #define _SC_THREAD_PRIO_PROTECT 88 /* user */
00267 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
00268 #define _SC_THREAD_PROCESS_SHARED 90 /* user */
00269 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */
00270 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */
00271 #define _SC_THREAD_STACK_MIN    93 /* user */
00272 #define _SC_THREAD_THREADS_MAX  94 /* user */
00273 #define _SC_TIMEOUTS            95 /* user */
00274 #define _SC_THREADS             96 /* user */
00275 #define _SC_TRACE               97 /* user */
00276 #define _SC_TRACE_EVENT_FILTER  98 /* user */
00277 #define _SC_TRACE_INHERIT       99 /* user */
00278 #define _SC_TRACE_LOG           100 /* user */
00279 #define _SC_TTY_NAME_MAX        101 /* user */
00280 #define _SC_TYPED_MEMORY_OBJECTS 102
00281 #define _SC_V6_ILP32_OFF32      103 /* user */
00282 #define _SC_V6_ILP32_OFFBIG     104 /* user */
00283 #define _SC_V6_LP64_OFF64       105 /* user */
00284 #define _SC_V6_LPBIG_OFFBIG     106 /* user */
00285 #define _SC_IPV6                118
00286 #define _SC_RAW_SOCKETS         119
00287 #define _SC_SYMLOOP_MAX         120
00288 #endif
00289 
00290 #if __XSI_VISIBLE
00291 #define _SC_ATEXIT_MAX          107 /* user */
00292 #define _SC_IOV_MAX             56
00293 #define _SC_PAGE_SIZE           _SC_PAGESIZE
00294 #define _SC_XOPEN_CRYPT         108 /* user */
00295 #define _SC_XOPEN_ENH_I18N      109 /* user */
00296 #define _SC_XOPEN_LEGACY        110 /* user */
00297 #define _SC_XOPEN_REALTIME      111
00298 #define _SC_XOPEN_REALTIME_THREADS 112
00299 #define _SC_XOPEN_SHM           113
00300 #define _SC_XOPEN_STREAMS       114
00301 #define _SC_XOPEN_UNIX          115
00302 #define _SC_XOPEN_VERSION       116
00303 #define _SC_XOPEN_XCU_VERSION   117 /* user */
00304 #endif
00305 
00306 #if __BSD_VISIBLE
00307 #define _SC_NPROCESSORS_CONF    57
00308 #define _SC_NPROCESSORS_ONLN    58
00309 #endif
00310 
00311 /* Keys for the confstr(3) function. */
00312 #if __POSIX_VISIBLE >= 199209
00313 #define _CS_PATH                1       /* default value of PATH */
00314 #endif
00315 
00316 #if __POSIX_VISIBLE >= 200112
00317 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS         2
00318 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS        3
00319 #define _CS_POSIX_V6_ILP32_OFF32_LIBS           4
00320 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS        5
00321 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS       6
00322 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS          7
00323 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS          8
00324 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS         9
00325 #define _CS_POSIX_V6_LP64_OFF64_LIBS            10
00326 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS        11
00327 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS       12
00328 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS          13
00329 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS      14
00330 #endif
00331 
00332 __BEGIN_DECLS
00333 /* 1003.1-1990 */
00334 void     _exit(short) __dead2;
00335 #ifdef HAVE_FULL_OS
00336 int      access(const char *, int);
00337 unsigned int     alarm(unsigned int);
00338 int      chdir(const char *);
00339 int      chown(const char *, uid_t, gid_t);
00340 int      close(int);
00341 int      dup(int);
00342 int      dup2(int, int);
00343 int      eaccess(const char *, int);
00344 int      execl(const char *, const char *, ...);
00345 int      execle(const char *, const char *, ...);
00346 int      execlp(const char *, const char *, ...);
00347 int      execv(const char *, char * const *);
00348 int      execve(const char *, char * const *, char * const *);
00349 int      execvp(const char *, char * const *);
00350 pid_t    fork(void);
00351 long     fpathconf(int, int);
00352 char    *getcwd(char *, size_t);
00353 gid_t    getegid(void);
00354 uid_t    geteuid(void);
00355 gid_t    getgid(void);
00356 int      getgroups(int, gid_t []);
00357 char    *getlogin(void);
00358 pid_t    getpgrp(void);
00359 pid_t    getpid(void);
00360 pid_t    getppid(void);
00361 uid_t    getuid(void);
00362 int      isatty(int);
00363 int      link(const char *, const char *);
00364 #ifndef _LSEEK_DECLARED
00365 #define _LSEEK_DECLARED
00366 off_t    lseek(int, off_t, int);
00367 #endif
00368 long     pathconf(const char *, int);
00369 int      pause(void);
00370 int      pipe(int *);
00371 #endif
00372 ssize_t  read(int, void *, size_t);
00373 #ifdef HAVE_FULL_OS
00374 int      rmdir(const char *);
00375 int      setgid(gid_t);
00376 int      setpgid(pid_t, pid_t);
00377 void     setproctitle(const char *_fmt, ...) __printf0like(1, 2);
00378 pid_t    setsid(void);
00379 int      setuid(uid_t);
00380 #endif
00381 unsigned int     sleep(unsigned int);
00382 #ifdef HAVE_FULL_OS
00383 long     sysconf(int);
00384 pid_t    tcgetpgrp(int);
00385 int      tcsetpgrp(int, pid_t);
00386 char    *ttyname(int);
00387 int      unlink(const char *);
00388 #endif
00389 ssize_t  write(int, const void *, size_t);
00390 
00391 #ifdef HAVE_FULL_OS
00392 /* 1003.2-1992 */
00393 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
00394 size_t   confstr(int, char *, size_t);
00395 int      getopt(int, char * const [], const char *);
00396 
00397 extern char *optarg;                    /* getopt(3) external variables */
00398 extern int optind, opterr, optopt;
00399 #endif
00400 
00401 /* ISO/IEC 9945-1: 1996 */
00402 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
00403 int      fsync(int);
00404 
00405 /*
00406  * ftruncate() was in the POSIX Realtime Extension (it's used for shared
00407  * memory), but truncate() was not.
00408  */
00409 #ifndef _FTRUNCATE_DECLARED
00410 #define _FTRUNCATE_DECLARED
00411 int      ftruncate(int, off_t);
00412 #endif
00413 #endif
00414 
00415 #if __POSIX_VISIBLE >= 199506
00416 int      getlogin_r(char *, int);
00417 #endif
00418 
00419 /* 1003.1-2001 */
00420 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
00421 int      fchown(int, uid_t, gid_t);
00422 int      readlink(const char *, char *, int);
00423 #endif
00424 #if __POSIX_VISIBLE >= 200112
00425 int      gethostname(char *, size_t);
00426 int      setegid(gid_t);
00427 int      seteuid(uid_t);
00428 #endif
00429 
00430 /*
00431  * symlink() was originally in POSIX.1a, which was withdrawn after
00432  * being overtaken by events (1003.1-2001).  It was in XPG4.2, and of
00433  * course has been in BSD since 4.2.
00434  */
00435 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE
00436 int      symlink(const char * __restrict, const char * __restrict);
00437 #endif
00438 
00439 /* X/Open System Interfaces */
00440 #if __XSI_VISIBLE
00441 char    *crypt(const char *, const char *);
00442 /* char *ctermid(char *); */            /* XXX ??? */
00443 int      encrypt(char *, int);
00444 int      fchdir(int);
00445 long     gethostid(void);
00446 int      getpgid(pid_t _pid);
00447 int      getsid(pid_t _pid);
00448 char    *getwd(char *);                 /* LEGACY: obsoleted by getcwd() */
00449 int      lchown(const char *, uid_t, gid_t);
00450 int      lockf(int, int, off_t);
00451 int      nice(int);
00452 ssize_t  pread(int, void *, size_t, off_t);
00453 ssize_t  pwrite(int, const void *, size_t, off_t);
00454 int      setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
00455 int      setregid(gid_t, gid_t);
00456 int      setreuid(uid_t, uid_t);
00457 /* void  swab(const void * __restrict, void * __restrict, ssize_t); */
00458 void     sync(void);
00459 useconds_t       ualarm(useconds_t, useconds_t);
00460 int      usleep(useconds_t);
00461 pid_t    vfork(void);
00462 
00463 /* See comment at ftruncate() above. */
00464 #ifndef _TRUNCATE_DECLARED
00465 #define _TRUNCATE_DECLARED
00466 int      truncate(const char *, off_t);
00467 #endif
00468 #endif /* __XSI_VISIBLE */
00469 #endif /* HAVE_FULL_OS */
00470 
00471 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
00472 int      brk(const void *);
00473 #ifdef HAVE_FULL_OS
00474 int      chroot(const char *);
00475 int      getdtablesize(void);
00476 int      getpagesize(void) __pure2;
00477 char    *getpass(const char *);
00478 #endif
00479 void    *sbrk(intptr_t);
00480 #endif
00481 
00482 #if __BSD_VISIBLE
00483 #ifdef HAVE_FULL_OS
00484 struct timeval;                         /* select(2) */
00485 int      acct(const char *);
00486 int      async_daemon(void);
00487 int      check_utility_compat(const char *);
00488 const char *
00489          crypt_get_format(void);
00490 int      crypt_set_format(const char *);
00491 int      des_cipher(const char *, char *, long, int);
00492 int      des_setkey(const char *key);
00493 void     endusershell(void);
00494 int      exect(const char *, char * const *, char * const *);
00495 int      execvP(const char *, const char *, char * const *);
00496 char    *fflagstostr(u_long);
00497 int      getdomainname(char *, int);
00498 int      getgrouplist(const char *, gid_t, gid_t *, int *);
00499 mode_t   getmode(const void *, mode_t);
00500 int      getpeereid(int, uid_t *, gid_t *);
00501 int      getresgid(gid_t *, gid_t *, gid_t *);
00502 int      getresuid(uid_t *, uid_t *, uid_t *);
00503 char    *getusershell(void);
00504 int      initgroups(const char *, gid_t);
00505 int      iruserok(unsigned long, int, const char *, const char *);
00506 int      iruserok_sa(const void *, int, int, const char *, const char *);
00507 int      issetugid(void);
00508 char    *mkdtemp(char *);
00509 int      mknod(const char *, mode_t, dev_t);
00510 #ifndef _MKSTEMP_DECLARED
00511 int      mkstemp(char *);
00512 #define _MKSTEMP_DECLARED
00513 #endif
00514 int      mkstemps(char *, int);
00515 #ifndef _MKTEMP_DECLARED
00516 char    *mktemp(char *);
00517 #define _MKTEMP_DECLARED
00518 #endif
00519 int      nfsclnt(int, void *);
00520 int      nfssvc(int, void *);
00521 int      profil(char *, size_t, vm_offset_t, int);
00522 int      rcmd(char **, int, const char *, const char *, const char *, int *);
00523 int      rcmd_af(char **, int, const char *,
00524                 const char *, const char *, int *, int);
00525 int      rcmdsh(char **, int, const char *,
00526                 const char *, const char *, const char *);
00527 char    *re_comp(const char *);
00528 int      re_exec(const char *);
00529 int      reboot(int);
00530 int      revoke(const char *);
00531 pid_t    rfork(int);
00532 pid_t    rfork_thread(int, void *, int (*)(void *), void *);
00533 int      rresvport(int *);
00534 int      rresvport_af(int *, int);
00535 int      ruserok(const char *, int, const char *, const char *);
00536 #if __BSD_VISIBLE
00537 #ifndef _SELECT_DECLARED
00538 #define _SELECT_DECLARED
00539 int      select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
00540 #endif
00541 #endif
00542 int      setdomainname(const char *, int);
00543 int      setgroups(int, const gid_t *);
00544 void     sethostid(long);
00545 int      sethostname(const char *, int);
00546 #ifndef _SETKEY_DECLARED
00547 int      setkey(const char *);
00548 #define _SETKEY_DECLARED
00549 #endif
00550 int      setlogin(const char *);
00551 void    *setmode(const char *);
00552 int      setresgid(gid_t, gid_t, gid_t);
00553 int      setresuid(uid_t, uid_t, uid_t);
00554 int      setrgid(gid_t);
00555 int      setruid(uid_t);
00556 void     setusershell(void);
00557 int      strtofflags(char **, u_long *, u_long *);
00558 int      swapon(const char *);
00559 int      swapoff(const char *);
00560 int      syscall(int, ...);
00561 off_t    __syscall(quad_t, ...);
00562 int      ttyslot(void);
00563 int      undelete(const char *);
00564 int      unwhiteout(const char *);
00565 void    *valloc(size_t);                        /* obsoleted by malloc() */
00566 
00567 extern char *suboptarg;                 /* getsubopt(3) external variable */
00568 #ifndef _GETSUBOPT_DECLARED
00569 int      getsubopt(char **, char * const *, char **);
00570 #define _GETSUBOPT_DECLARED
00571 #endif
00572 extern int optreset;                    /* getopt(3) external variable */
00573 #endif
00574 #endif /* __BSD_VISIBLE */
00575 __END_DECLS
00576 
00577 #endif /* !_UNISTD_H_ */