2 * Copyright (c) 1991, 1993, 1994
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * Portions Copyright (c) 2006-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
30 * @(#)unistd.h 8.12 (Berkeley) 4/27/95
31 * $FreeBSD: src/include/unistd.h,v 1.78 2005/05/13 16:27:30 delphij Exp $
46 #include <sys/cdefs.h>
47 #include <sys/types.h> /* XXX adds too much pollution. */
48 #include <sys/unistd.h>
49 #include <sys/_null.h>
50 #include <sys/_types.h>
54 #endif //__SYMBIAN32__
58 IMPORT_C char ***__environ(void);
60 #define environ (*__environ())
61 #endif //__SYMBIAN32__
63 #ifndef _GID_T_DECLARED
64 typedef __gid_t gid_t;
65 #define _GID_T_DECLARED
68 #ifndef _OFF_T_DECLARED
69 typedef __off_t off_t;
70 #define _OFF_T_DECLARED
73 #ifndef _PID_T_DECLARED
74 typedef __pid_t pid_t;
75 #define _PID_T_DECLARED
78 #ifndef _SIZE_T_DECLARED
79 typedef __size_t size_t;
80 #define _SIZE_T_DECLARED
83 #ifndef _SSIZE_T_DECLARED
84 typedef __ssize_t ssize_t;
85 #define _SSIZE_T_DECLARED
88 #ifndef _UID_T_DECLARED
89 typedef __uid_t uid_t;
90 #define _UID_T_DECLARED
93 #ifndef _USECONDS_T_DECLARED
94 typedef __useconds_t useconds_t;
95 #define _USECONDS_T_DECLARED
98 #define STDIN_FILENO 0 /* standard input file descriptor */
99 #define STDOUT_FILENO 1 /* standard output file descriptor */
100 #define STDERR_FILENO 2 /* standard error file descriptor */
102 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
103 #define F_ULOCK 0 /* unlock locked section */
104 #define F_LOCK 1 /* lock a section for exclusive use */
105 #define F_TLOCK 2 /* test and lock a section for exclusive use */
106 #define F_TEST 3 /* test a section for locks by other procs */
110 * POSIX options and option groups we unconditionally do or don't
111 * implement. This list includes those options which are exclusively
112 * implemented (or not) in user mode. Please keep this list in
113 * alphabetical order.
115 * Anything which is defined as zero below **must** have an
116 * implementation for the corresponding sysconf() which is able to
117 * determine conclusively whether or not the feature is supported.
118 * Anything which is defined as other than -1 below **must** have
119 * complete headers, types, and function declarations as specified by
120 * the POSIX standard; however, if the relevant sysconf() function
121 * returns -1, the functions may be stubbed out.
123 #define _POSIX_BARRIERS -1
124 #define _POSIX_READER_WRITER_LOCKS -1
125 #define _POSIX_REGEXP 1
126 #define _POSIX_SHELL 1
127 #define _POSIX_SPAWN -1
128 #define _POSIX_SPIN_LOCKS -1
129 #define _POSIX_THREAD_ATTR_STACKADDR -1
130 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L
131 #define _POSIX_THREAD_CPUTIME -1
132 #define _POSIX_THREAD_PRIO_INHERIT -1
133 #define _POSIX_THREAD_PRIO_PROTECT -1
134 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
135 #define _POSIX_THREAD_PROCESS_SHARED -1
136 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
137 #define _POSIX_THREAD_SPORADIC_SERVER -1
138 #define _POSIX_THREADS 200112L
139 #define _POSIX_TRACE -1
140 #define _POSIX_TRACE_EVENT_FILTER -1
141 #define _POSIX_TRACE_INHERIT -1
142 #define _POSIX_TRACE_LOG -1
143 #define _POSIX2_C_BIND 200112L /* mandatory */
144 #define _POSIX2_C_DEV -1 /* need c99 utility */
145 #define _POSIX2_CHAR_TERM 1
146 #define _POSIX2_FORT_DEV -1 /* need fort77 utility */
147 #define _POSIX2_FORT_RUN 200112L
148 #define _POSIX2_LOCALEDEF -1
149 #define _POSIX2_PBS -1
150 #define _POSIX2_PBS_ACCOUNTING -1
151 #define _POSIX2_PBS_CHECKPOINT -1
152 #define _POSIX2_PBS_LOCATE -1
153 #define _POSIX2_PBS_MESSAGE -1
154 #define _POSIX2_PBS_TRACK -1
155 #define _POSIX2_SW_DEV -1 /* XXX ??? */
156 #define _POSIX2_UPE 200112L
157 #define _V6_ILP32_OFF32 -1
158 #define _V6_ILP32_OFFBIG 0
159 #define _V6_LP64_OFF64 0
160 #define _V6_LPBIG_OFFBIG -1
163 #define _XOPEN_CRYPT -1 /* XXX ??? */
164 #define _XOPEN_ENH_I18N -1 /* mandatory in XSI */
165 #define _XOPEN_LEGACY -1
166 #define _XOPEN_REALTIME -1
167 #define _XOPEN_REALTIME_THREADS -1
168 #define _XOPEN_UNIX -1
171 /* Define the POSIX.2 version we target for compliance. */
172 #define _POSIX2_VERSION 199212L
175 * POSIX-style system configuration variable accessors (for the
176 * sysconf function). The kernel does not directly implement the
177 * sysconf() interface; rather, a C library stub translates references
178 * to sysconf() into calls to sysctl() using a giant switch statement.
179 * Those that are marked `user' are implemented entirely in the C
180 * library and never query the kernel. pathconf() is implemented
181 * directly by the kernel so those are not defined here.
183 #define _SC_ARG_MAX 1
184 #define _SC_CHILD_MAX 2
185 #define _SC_CLK_TCK 3
186 #define _SC_NGROUPS_MAX 4
187 #define _SC_OPEN_MAX 5
188 #define _SC_JOB_CONTROL 6
189 #define _SC_SAVED_IDS 7
190 #define _SC_VERSION 8
191 #define _SC_BC_BASE_MAX 9 /* user */
192 #define _SC_BC_DIM_MAX 10 /* user */
193 #define _SC_BC_SCALE_MAX 11 /* user */
194 #define _SC_BC_STRING_MAX 12 /* user */
195 #define _SC_COLL_WEIGHTS_MAX 13 /* user */
196 #define _SC_EXPR_NEST_MAX 14 /* user */
197 #define _SC_LINE_MAX 15 /* user */
198 #define _SC_RE_DUP_MAX 16 /* user */
199 #define _SC_2_VERSION 17 /* user */
200 #define _SC_2_C_BIND 18 /* user */
201 #define _SC_2_C_DEV 19 /* user */
202 #define _SC_2_CHAR_TERM 20 /* user */
203 #define _SC_2_FORT_DEV 21 /* user */
204 #define _SC_2_FORT_RUN 22 /* user */
205 #define _SC_2_LOCALEDEF 23 /* user */
206 #define _SC_2_SW_DEV 24 /* user */
207 #define _SC_2_UPE 25 /* user */
208 #define _SC_STREAM_MAX 26 /* user */
209 #define _SC_TZNAME_MAX 27 /* user */
211 #if __POSIX_VISIBLE >= 199309
212 #define _SC_ASYNCHRONOUS_IO 28
213 #define _SC_MAPPED_FILES 29
214 #define _SC_MEMLOCK 30
215 #define _SC_MEMLOCK_RANGE 31
216 #define _SC_MEMORY_PROTECTION 32
217 #define _SC_MESSAGE_PASSING 33
218 #define _SC_PRIORITIZED_IO 34
219 #define _SC_PRIORITY_SCHEDULING 35
220 #define _SC_REALTIME_SIGNALS 36
221 #define _SC_SEMAPHORES 37
223 #define _SC_SHARED_MEMORY_OBJECTS 39
224 #define _SC_SYNCHRONIZED_IO 40
225 #define _SC_TIMERS 41
226 #define _SC_AIO_LISTIO_MAX 42
227 #define _SC_AIO_MAX 43
228 #define _SC_AIO_PRIO_DELTA_MAX 44
229 #define _SC_DELAYTIMER_MAX 45
230 #define _SC_MQ_OPEN_MAX 46
231 #define _SC_PAGESIZE 47
232 #define _SC_RTSIG_MAX 48
233 #define _SC_SEM_NSEMS_MAX 49
234 #define _SC_SEM_VALUE_MAX 50
235 #define _SC_SIGQUEUE_MAX 51
236 #define _SC_TIMER_MAX 52
239 #if __POSIX_VISIBLE >= 200112
240 #define _SC_2_PBS 59 /* user */
241 #define _SC_2_PBS_ACCOUNTING 60 /* user */
242 #define _SC_2_PBS_CHECKPOINT 61 /* user */
243 #define _SC_2_PBS_LOCATE 62 /* user */
244 #define _SC_2_PBS_MESSAGE 63 /* user */
245 #define _SC_2_PBS_TRACK 64 /* user */
246 #define _SC_ADVISORY_INFO 65
247 #define _SC_BARRIERS 66 /* user */
248 #define _SC_CLOCK_SELECTION 67
249 #define _SC_CPUTIME 68
250 #define _SC_FILE_LOCKING 69
251 #define _SC_GETGR_R_SIZE_MAX 70 /* user */
252 #define _SC_GETPW_R_SIZE_MAX 71 /* user */
253 #define _SC_HOST_NAME_MAX 72
254 #define _SC_LOGIN_NAME_MAX 73
255 #define _SC_MONOTONIC_CLOCK 74
256 #define _SC_MQ_PRIO_MAX 75
257 #define _SC_READER_WRITER_LOCKS 76 /* user */
258 #define _SC_REGEXP 77 /* user */
259 #define _SC_SHELL 78 /* user */
260 #define _SC_SPAWN 79 /* user */
261 #define _SC_SPIN_LOCKS 80 /* user */
262 #define _SC_SPORADIC_SERVER 81
263 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */
264 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */
265 #define _SC_THREAD_CPUTIME 84 /* user */
266 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */
267 #define _SC_THREAD_KEYS_MAX 86 /* user */
268 #define _SC_THREAD_PRIO_INHERIT 87 /* user */
269 #define _SC_THREAD_PRIO_PROTECT 88 /* user */
270 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */
271 #define _SC_THREAD_PROCESS_SHARED 90 /* user */
272 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */
273 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */
274 #define _SC_THREAD_STACK_MIN 93 /* user */
275 #define _SC_THREAD_THREADS_MAX 94 /* user */
276 #define _SC_TIMEOUTS 95 /* user */
277 #define _SC_THREADS 96 /* user */
278 #define _SC_TRACE 97 /* user */
279 #define _SC_TRACE_EVENT_FILTER 98 /* user */
280 #define _SC_TRACE_INHERIT 99 /* user */
281 #define _SC_TRACE_LOG 100 /* user */
282 #define _SC_TTY_NAME_MAX 101 /* user */
283 #define _SC_TYPED_MEMORY_OBJECTS 102
284 #define _SC_V6_ILP32_OFF32 103 /* user */
285 #define _SC_V6_ILP32_OFFBIG 104 /* user */
286 #define _SC_V6_LP64_OFF64 105 /* user */
287 #define _SC_V6_LPBIG_OFFBIG 106 /* user */
289 #define _SC_RAW_SOCKETS 119
290 #define _SC_SYMLOOP_MAX 120
294 #define _SC_ATEXIT_MAX 107 /* user */
295 #define _SC_IOV_MAX 56
296 #define _SC_PAGE_SIZE _SC_PAGESIZE
297 #define _SC_XOPEN_CRYPT 108 /* user */
298 #define _SC_XOPEN_ENH_I18N 109 /* user */
299 #define _SC_XOPEN_LEGACY 110 /* user */
300 #define _SC_XOPEN_REALTIME 111
301 #define _SC_XOPEN_REALTIME_THREADS 112
302 #define _SC_XOPEN_SHM 113
303 #define _SC_XOPEN_STREAMS 114
304 #define _SC_XOPEN_UNIX 115
305 #define _SC_XOPEN_VERSION 116
306 #define _SC_XOPEN_XCU_VERSION 117 /* user */
310 #define _SC_NPROCESSORS_CONF 57
311 #define _SC_NPROCESSORS_ONLN 58
314 /* Keys for the confstr(3) function. */
315 #if __POSIX_VISIBLE >= 199209
316 #define _CS_PATH 1 /* default value of PATH */
319 #if __POSIX_VISIBLE >= 200112
320 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2
321 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3
322 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4
323 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5
324 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6
325 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7
326 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8
327 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9
328 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10
329 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11
330 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12
331 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13
332 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14
337 IMPORT_C void _exit(int) __dead2;
338 IMPORT_C int access(const char *, int);
339 IMPORT_C int chdir(const char *);
340 IMPORT_C int chown(const char *, uid_t, gid_t);
341 IMPORT_C int close(int);
342 IMPORT_C int dup(int);
343 IMPORT_C int dup2(int, int);
344 int eaccess(const char *, int);
345 IMPORT_C long fpathconf(int, int);
346 IMPORT_C char *getcwd(char *, size_t);
347 IMPORT_C gid_t getegid(void);
348 IMPORT_C uid_t geteuid(void);
349 IMPORT_C gid_t getgid(void);
350 IMPORT_C int getgroups(int, gid_t []);
351 char *getlogin(void);
352 IMPORT_C pid_t getpgrp(void);
353 IMPORT_C pid_t getpid(void);
354 IMPORT_C pid_t getppid(void);
355 IMPORT_C uid_t getuid(void);
356 IMPORT_C int isatty(int);
357 IMPORT_C int link(const char *, const char *);
358 #ifndef _LSEEK_DECLARED
359 #define _LSEEK_DECLARED
360 IMPORT_C off_t lseek(int, off_t, int);
362 #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
363 #define lseek64 lseek
364 #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
367 IMPORT_C long pathconf(const char *, int);
368 IMPORT_C int pipe(int *);
369 IMPORT_C ssize_t read(int, void *, size_t);
370 IMPORT_C int rmdir(const char *);
371 IMPORT_C int setgid(gid_t);
372 IMPORT_C int setpgid(pid_t, pid_t);
373 void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
374 IMPORT_C pid_t setsid(void);
375 IMPORT_C int setuid(uid_t);
376 IMPORT_C unsigned int sleep(unsigned int);
379 IMPORT_C int unlink(const char *);
380 IMPORT_C ssize_t write(int, const void *, size_t);
382 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE
383 IMPORT_C size_t confstr(int, char *, size_t);
384 #ifndef _GETOPT_DECLARED
385 #define _GETOPT_DECLARED
386 IMPORT_C int getopt(int, char * const [], const char *);
388 #ifndef __SYMBIAN32__
389 extern char *optarg; /* getopt(3) external variables */
390 extern int optind, opterr, optopt;
392 IMPORT_C int *__optopt(void);
393 IMPORT_C int *__opterr(void);
394 IMPORT_C int *__optind(void);
395 IMPORT_C char **__optarg(void);
396 #define optopt (*__optopt())
397 #define opterr (*__opterr())
398 #define optind (*__optind())
399 #define optarg (*__optarg())
400 #endif /* __SYMBIAN32__ */
402 #endif /* _GETOPT_DECLARED */
405 /* ISO/IEC 9945-1: 1996 */
406 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
407 IMPORT_C int fsync(int);
408 IMPORT_C int fdatasync(int);
410 * ftruncate() was in the POSIX Realtime Extension (it's used for shared
411 * memory), but truncate() was not.
413 #ifndef _FTRUNCATE_DECLARED
414 #define _FTRUNCATE_DECLARED
415 IMPORT_C int ftruncate(int, off_t);
417 #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
418 #define ftruncate64 ftruncate
419 #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
424 #if __POSIX_VISIBLE >= 199506
426 #ifndef __SYMBIAN32__
427 int getlogin_r(char *, int);
428 #endif //__SYMBIAN32__
433 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
434 IMPORT_C int readlink(const char *, char *, int);
436 #if __POSIX_VISIBLE >= 200112
437 IMPORT_C int gethostname(char *, size_t);
438 IMPORT_C int setegid(gid_t);
439 IMPORT_C int seteuid(uid_t);
443 * symlink() was originally in POSIX.1a, which was withdrawn after
444 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of
445 * course has been in BSD since 4.2.
447 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE
448 IMPORT_C int symlink(const char * __restrict, const char * __restrict);
451 /* X/Open System Interfaces */
453 char *crypt(const char *, const char *);
454 /* char *ctermid(char *); */ /* XXX ??? */
455 int encrypt(char *, int);
456 IMPORT_C int fchdir(int);
457 IMPORT_C int getpgid(pid_t _pid);
458 IMPORT_C int lchown(const char *, uid_t, gid_t);
459 IMPORT_C int nice(int);
460 IMPORT_C int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
461 IMPORT_C int setregid(gid_t, gid_t);
462 IMPORT_C int setreuid(uid_t, uid_t);
464 #ifndef _SWAB_DECLARED
465 #define _SWAB_DECLARED
467 void swab(const void * __restrict, void * __restrict, ssize_t);
468 #endif /* _SWAB_DECLARED */
471 IMPORT_C int usleep(useconds_t);
473 IMPORT_C unsigned int alarm(unsigned int seconds);
475 /* See comment at ftruncate() above. */
476 #ifndef _TRUNCATE_DECLARED
477 #define _TRUNCATE_DECLARED
478 IMPORT_C int truncate(const char *, off_t);
480 #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
481 #define truncate64 truncate
482 #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
485 #endif /* __XSI_VISIBLE */
487 #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE
488 IMPORT_C int brk(const void *);
489 IMPORT_C int getdtablesize(void);
490 IMPORT_C int getpagesize(void) __pure2;
494 struct timeval; /* select(2) */
495 IMPORT_C int initgroups(const char *, gid_t);
496 IMPORT_C int issetugid(void);
498 #ifdef __SYMBIAN_COMPILE_UNUSED__
499 char *mkdtemp(char *);
502 #ifndef _MKNOD_DECLARED
503 int mknod(const char *, mode_t, dev_t);
504 #define _MKNOD_DECLARED
506 #ifndef _MKSTEMP_DECLARED
507 IMPORT_C int mkstemp(char *);
509 #if defined(SYMBIAN_OE_LARGE_FILE_SUPPORT) && !defined(SYMBIAN_OE_NO_LFS)
510 #define mkstemp64 mkstemp
511 #endif /* SYMBIAN_OE_LARGE_FILE_SUPPORT && !SYMBIAN_OE_NO_LFS */
513 #define _MKSTEMP_DECLARED
516 #ifdef __SYMBIAN_COMPILE_UNUSED__
517 int mkstemps(char *, int);
520 #ifndef _MKTEMP_DECLARED
522 #ifdef __SYMBIAN_COMPILE_UNUSED__
523 char *mktemp(char *);
526 #define _MKTEMP_DECLARED
528 int nfssvc(int, void *);
531 #ifndef __SYMBIAN32__
532 #ifndef _SELECT_DECLARED
533 #define _SELECT_DECLARED
534 IMPORT_C int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
535 #endif // _SELECT_DECLARED
536 #endif // __SYMBIAN32__
537 #endif // __BSD_VISIBLE
539 IMPORT_C int setgroups(int, const gid_t *);
540 #ifndef _SETKEY_DECLARED
541 int setkey(const char *);
542 #define _SETKEY_DECLARED
545 #ifndef _OPTRESET_DECLARED
546 #define _OPTRESET_DECLARED
547 #ifndef __SYMBIAN32__
548 extern int optreset; /* getopt(3) external variable */
550 IMPORT_C int *__optreset(void);
551 #define optreset (*__optreset())
552 #endif /* __SYMBIAN32__ */
555 #ifndef __XSI_VISIBLE
556 void encrypt(char block[], int edflag);
557 char *crypt(const char *key, const char *salt);
558 #endif /* ifdef __SYMBIAN32__ */
559 #endif /* ifndef __XSI_VISIBLE */
561 #endif /* _OPTRESET_DECLARED */
562 #endif /* __BSD_VISIBLE */
571 #endif /* !_UNISTD_H_ */