FreeBSD/Linux Kernel Cross Reference
sys/sys/cdefs.h
1 /*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Berkeley Software Design, Inc.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * @(#)cdefs.h 8.8 (Berkeley) 1/9/95
33 * $FreeBSD: src/sys/sys/cdefs.h,v 1.96 2008/10/21 16:46:50 rdivacky Exp $
34 */
35
36 #ifndef _SYS_CDEFS_H_
37 #define _SYS_CDEFS_H_
38
39 #if defined(__cplusplus)
40 #define __BEGIN_DECLS extern "C" {
41 #define __END_DECLS }
42 #else
43 #define __BEGIN_DECLS
44 #define __END_DECLS
45 #endif
46
47 /*
48 * This code has been put in place to help reduce the addition of
49 * compiler specific defines in FreeBSD code. It helps to aid in
50 * having a compiler-agnostic source tree.
51 */
52
53 #if defined(__GNUC__) || defined(__INTEL_COMPILER)
54
55 #if __GNUC__ >= 3 || defined(__INTEL_COMPILER)
56 #define __GNUCLIKE_ASM 3
57 #define __GNUCLIKE_MATH_BUILTIN_CONSTANTS
58 #else
59 #define __GNUCLIKE_ASM 2
60 #endif
61 #define __GNUCLIKE___TYPEOF 1
62 #define __GNUCLIKE___OFFSETOF 1
63 #define __GNUCLIKE___SECTION 1
64
65 #define __GNUCLIKE_ATTRIBUTE_MODE_DI 1
66
67 #ifndef __INTEL_COMPILER
68 # define __GNUCLIKE_CTOR_SECTION_HANDLING 1
69 #endif
70
71 #define __GNUCLIKE_BUILTIN_CONSTANT_P 1
72 # if defined(__INTEL_COMPILER) && defined(__cplusplus) \
73 && __INTEL_COMPILER < 800
74 # undef __GNUCLIKE_BUILTIN_CONSTANT_P
75 # endif
76
77 #if (__GNUC_MINOR__ > 95 || __GNUC__ >= 3) && !defined(__INTEL_COMPILER)
78 # define __GNUCLIKE_BUILTIN_VARARGS 1
79 # define __GNUCLIKE_BUILTIN_STDARG 1
80 # define __GNUCLIKE_BUILTIN_VAALIST 1
81 #endif
82
83 #if defined(__GNUC__)
84 # define __GNUC_VA_LIST_COMPATIBILITY 1
85 #endif
86
87 #ifndef __INTEL_COMPILER
88 # define __GNUCLIKE_BUILTIN_NEXT_ARG 1
89 # define __GNUCLIKE_MATH_BUILTIN_RELOPS
90 #endif
91
92 #define __GNUCLIKE_BUILTIN_MEMCPY 1
93
94 /* XXX: if __GNUC__ >= 2: not tested everywhere originally, where replaced */
95 #define __CC_SUPPORTS_INLINE 1
96 #define __CC_SUPPORTS___INLINE 1
97 #define __CC_SUPPORTS___INLINE__ 1
98
99 #define __CC_SUPPORTS___FUNC__ 1
100 #define __CC_SUPPORTS_WARNING 1
101
102 #define __CC_SUPPORTS_VARADIC_XXX 1 /* see varargs.h */
103
104 #define __CC_SUPPORTS_DYNAMIC_ARRAY_INIT 1
105
106 #endif /* __GNUC__ || __INTEL_COMPILER */
107
108 /*
109 * Macro to test if we're using a specific version of gcc or later.
110 */
111 #if defined(__GNUC__) && !defined(__INTEL_COMPILER)
112 #define __GNUC_PREREQ__(ma, mi) \
113 (__GNUC__ > (ma) || __GNUC__ == (ma) && __GNUC_MINOR__ >= (mi))
114 #else
115 #define __GNUC_PREREQ__(ma, mi) 0
116 #endif
117
118 /*
119 * The __CONCAT macro is used to concatenate parts of symbol names, e.g.
120 * with "#define OLD(foo) __CONCAT(old,foo)", OLD(foo) produces oldfoo.
121 * The __CONCAT macro is a bit tricky to use if it must work in non-ANSI
122 * mode -- there must be no spaces between its arguments, and for nested
123 * __CONCAT's, all the __CONCAT's must be at the left. __CONCAT can also
124 * concatenate double-quoted strings produced by the __STRING macro, but
125 * this only works with ANSI C.
126 *
127 * __XSTRING is like __STRING, but it expands any macros in its argument
128 * first. It is only available with ANSI C.
129 */
130 #if defined(__STDC__) || defined(__cplusplus)
131 #define __P(protos) protos /* full-blown ANSI C */
132 #define __CONCAT1(x,y) x ## y
133 #define __CONCAT(x,y) __CONCAT1(x,y)
134 #define __STRING(x) #x /* stringify without expanding x */
135 #define __XSTRING(x) __STRING(x) /* expand x, then stringify */
136
137 #define __const const /* define reserved names to standard */
138 #define __signed signed
139 #define __volatile volatile
140 #if defined(__cplusplus)
141 #define __inline inline /* convert to C++ keyword */
142 #else
143 #if !(defined(__CC_SUPPORTS___INLINE))
144 #define __inline /* delete GCC keyword */
145 #endif /* ! __CC_SUPPORTS___INLINE */
146 #endif /* !__cplusplus */
147
148 #else /* !(__STDC__ || __cplusplus) */
149 #define __P(protos) () /* traditional C preprocessor */
150 #define __CONCAT(x,y) x/**/y
151 #define __STRING(x) "x"
152
153 #if !defined(__CC_SUPPORTS___INLINE)
154 #define __const /* delete pseudo-ANSI C keywords */
155 #define __inline
156 #define __signed
157 #define __volatile
158 /*
159 * In non-ANSI C environments, new programs will want ANSI-only C keywords
160 * deleted from the program and old programs will want them left alone.
161 * When using a compiler other than gcc, programs using the ANSI C keywords
162 * const, inline etc. as normal identifiers should define -DNO_ANSI_KEYWORDS.
163 * When using "gcc -traditional", we assume that this is the intent; if
164 * __GNUC__ is defined but __STDC__ is not, we leave the new keywords alone.
165 */
166 #ifndef NO_ANSI_KEYWORDS
167 #define const /* delete ANSI C keywords */
168 #define inline
169 #define signed
170 #define volatile
171 #endif /* !NO_ANSI_KEYWORDS */
172 #endif /* !__CC_SUPPORTS___INLINE */
173 #endif /* !(__STDC__ || __cplusplus) */
174
175 /*
176 * Compiler-dependent macros to help declare dead (non-returning) and
177 * pure (no side effects) functions, and unused variables. They are
178 * null except for versions of gcc that are known to support the features
179 * properly (old versions of gcc-2 supported the dead and pure features
180 * in a different (wrong) way). If we do not provide an implementation
181 * for a given compiler, let the compile fail if it is told to use
182 * a feature that we cannot live without.
183 */
184 #ifdef lint
185 #define __dead2
186 #define __pure2
187 #define __unused
188 #define __packed
189 #define __aligned(x)
190 #define __section(x)
191 #else
192 #if !__GNUC_PREREQ__(2, 5) && !defined(__INTEL_COMPILER)
193 #define __dead2
194 #define __pure2
195 #define __unused
196 #endif
197 #if __GNUC__ == 2 && __GNUC_MINOR__ >= 5 && __GNUC_MINOR__ < 7 && !defined(__INTEL_COMPILER)
198 #define __dead2 __attribute__((__noreturn__))
199 #define __pure2 __attribute__((__const__))
200 #define __unused
201 /* XXX Find out what to do for __packed, __aligned and __section */
202 #endif
203 #if __GNUC_PREREQ__(2, 7)
204 #define __dead2 __attribute__((__noreturn__))
205 #define __pure2 __attribute__((__const__))
206 #define __unused __attribute__((__unused__))
207 #define __used __attribute__((__used__))
208 #define __packed __attribute__((__packed__))
209 #define __aligned(x) __attribute__((__aligned__(x)))
210 #define __section(x) __attribute__((__section__(x)))
211 #endif
212 #if defined(__INTEL_COMPILER)
213 #define __dead2 __attribute__((__noreturn__))
214 #define __pure2 __attribute__((__const__))
215 #define __unused __attribute__((__unused__))
216 #define __used __attribute__((__used__))
217 #define __packed __attribute__((__packed__))
218 #define __aligned(x) __attribute__((__aligned__(x)))
219 #define __section(x) __attribute__((__section__(x)))
220 #endif
221 #endif
222
223 #if __GNUC_PREREQ__(2, 96)
224 #define __pure __attribute__((__pure__))
225 #else
226 #define __pure
227 #endif
228
229 #if __GNUC_PREREQ__(3, 1) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
230 #define __always_inline __attribute__((__always_inline__))
231 #else
232 #define __always_inline
233 #endif
234
235 #if __GNUC_PREREQ__(4, 2) /* actually 4.1.3 */
236 #define __gnu89_inline __attribute__((__gnu_inline__)) __inline
237 #else
238 #define __gnu89_inline
239 #endif
240
241 #if __GNUC_PREREQ__(3, 1)
242 #define __noinline __attribute__ ((__noinline__))
243 #else
244 #define __noinline
245 #endif
246
247 #if __GNUC_PREREQ__(3, 3)
248 #define __nonnull(x) __attribute__((__nonnull__(x)))
249 #else
250 #define __nonnull(x)
251 #endif
252
253 /* XXX: should use `#if __STDC_VERSION__ < 199901'. */
254 #if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
255 #define __func__ NULL
256 #endif
257
258 #if (defined(__INTEL_COMPILER) || (defined(__GNUC__) && __GNUC__ >= 2)) && !defined(__STRICT_ANSI__) || __STDC_VERSION__ >= 199901
259 #define __LONG_LONG_SUPPORTED
260 #endif
261
262 /*
263 * GCC 2.95 provides `__restrict' as an extension to C90 to support the
264 * C99-specific `restrict' type qualifier. We happen to use `__restrict' as
265 * a way to define the `restrict' type qualifier without disturbing older
266 * software that is unaware of C99 keywords.
267 */
268 #if !(__GNUC__ == 2 && __GNUC_MINOR__ == 95)
269 #if !defined(__STDC_VERSION__) || __STDC_VERSION__ < 199901
270 #define __restrict
271 #else
272 #define __restrict restrict
273 #endif
274 #endif
275
276 /*
277 * GNU C version 2.96 adds explicit branch prediction so that
278 * the CPU back-end can hint the processor and also so that
279 * code blocks can be reordered such that the predicted path
280 * sees a more linear flow, thus improving cache behavior, etc.
281 *
282 * The following two macros provide us with a way to utilize this
283 * compiler feature. Use __predict_true() if you expect the expression
284 * to evaluate to true, and __predict_false() if you expect the
285 * expression to evaluate to false.
286 *
287 * A few notes about usage:
288 *
289 * * Generally, __predict_false() error condition checks (unless
290 * you have some _strong_ reason to do otherwise, in which case
291 * document it), and/or __predict_true() `no-error' condition
292 * checks, assuming you want to optimize for the no-error case.
293 *
294 * * Other than that, if you don't know the likelihood of a test
295 * succeeding from empirical or other `hard' evidence, don't
296 * make predictions.
297 *
298 * * These are meant to be used in places that are run `a lot'.
299 * It is wasteful to make predictions in code that is run
300 * seldomly (e.g. at subsystem initialization time) as the
301 * basic block reordering that this affects can often generate
302 * larger code.
303 */
304 #if __GNUC_PREREQ__(2, 96)
305 #define __predict_true(exp) __builtin_expect((exp), 1)
306 #define __predict_false(exp) __builtin_expect((exp), 0)
307 #else
308 #define __predict_true(exp) (exp)
309 #define __predict_false(exp) (exp)
310 #endif
311
312 /*
313 * We define this here since <stddef.h>, <sys/queue.h>, and <sys/types.h>
314 * require it.
315 */
316 #if __GNUC_PREREQ__(4, 1)
317 #define __offsetof(type, field) __builtin_offsetof(type, field)
318 #else
319 #ifndef __cplusplus
320 #define __offsetof(type, field) ((size_t)(&((type *)0)->field))
321 #else
322 #define __offsetof(type, field) \
323 (__offsetof__ (reinterpret_cast <size_t> \
324 (&reinterpret_cast <const volatile char &> \
325 (static_cast<type *> (0)->field))))
326 #endif
327 #endif
328 #define __rangeof(type, start, end) \
329 (__offsetof(type, end) - __offsetof(type, start))
330
331 /*
332 * Compiler-dependent macros to declare that functions take printf-like
333 * or scanf-like arguments. They are null except for versions of gcc
334 * that are known to support the features properly (old versions of gcc-2
335 * didn't permit keeping the keywords out of the application namespace).
336 */
337 #if !__GNUC_PREREQ__(2, 7) && !defined(__INTEL_COMPILER)
338 #define __printflike(fmtarg, firstvararg)
339 #define __scanflike(fmtarg, firstvararg)
340 #define __format_arg(fmtarg)
341 #else
342 #define __printflike(fmtarg, firstvararg) \
343 __attribute__((__format__ (__printf__, fmtarg, firstvararg)))
344 #define __scanflike(fmtarg, firstvararg) \
345 __attribute__((__format__ (__scanf__, fmtarg, firstvararg)))
346 #define __format_arg(fmtarg) __attribute__((__format_arg__ (fmtarg)))
347 #endif
348
349 /* Compiler-dependent macros that rely on FreeBSD-specific extensions. */
350 #if __FreeBSD_cc_version >= 300001 && defined(__GNUC__) && !defined(__INTEL_COMPILER)
351 #define __printf0like(fmtarg, firstvararg) \
352 __attribute__((__format__ (__printf0__, fmtarg, firstvararg)))
353 #else
354 #define __printf0like(fmtarg, firstvararg)
355 #endif
356
357 #if defined(__GNUC__) || defined(__INTEL_COMPILER)
358 #ifndef __INTEL_COMPILER
359 #define __strong_reference(sym,aliassym) \
360 extern __typeof (sym) aliassym __attribute__ ((__alias__ (#sym)))
361 #endif
362 #ifdef __STDC__
363 #define __weak_reference(sym,alias) \
364 __asm__(".weak " #alias); \
365 __asm__(".equ " #alias ", " #sym)
366 #define __warn_references(sym,msg) \
367 __asm__(".section .gnu.warning." #sym); \
368 __asm__(".asciz \"" msg "\""); \
369 __asm__(".previous")
370 #define __sym_compat(sym,impl,verid) \
371 __asm__(".symver " #impl ", " #sym "@" #verid)
372 #define __sym_default(sym,impl,verid) \
373 __asm__(".symver " #impl ", " #sym "@@" #verid)
374 #else
375 #define __weak_reference(sym,alias) \
376 __asm__(".weak alias"); \
377 __asm__(".equ alias, sym")
378 #define __warn_references(sym,msg) \
379 __asm__(".section .gnu.warning.sym"); \
380 __asm__(".asciz \"msg\""); \
381 __asm__(".previous")
382 #define __sym_compat(sym,impl,verid) \
383 __asm__(".symver impl, sym@verid")
384 #define __sym_default(impl,sym,verid) \
385 __asm__(".symver impl, sym@@verid")
386 #endif /* __STDC__ */
387 #endif /* __GNUC__ || __INTEL_COMPILER */
388
389 #if defined(__GNUC__) || defined(__INTEL_COMPILER)
390 #define __IDSTRING(name,string) __asm__(".ident\t\"" string "\"")
391 #else
392 /*
393 * The following definition might not work well if used in header files,
394 * but it should be better than nothing. If you want a "do nothing"
395 * version, then it should generate some harmless declaration, such as:
396 * #define __IDSTRING(name,string) struct __hack
397 */
398 #define __IDSTRING(name,string) static const char name[] __unused = string
399 #endif
400
401 /*
402 * Embed the rcs id of a source file in the resulting library. Note that in
403 * more recent ELF binutils, we use .ident allowing the ID to be stripped.
404 * Usage:
405 * __FBSDID("$FreeBSD: src/sys/sys/cdefs.h,v 1.96 2008/10/21 16:46:50 rdivacky Exp $");
406 */
407 #ifndef __FBSDID
408 #if !defined(lint) && !defined(STRIP_FBSDID)
409 #define __FBSDID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
410 #else
411 #define __FBSDID(s) struct __hack
412 #endif
413 #endif
414
415 #ifndef __RCSID
416 #ifndef NO__RCSID
417 #define __RCSID(s) __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
418 #else
419 #define __RCSID(s) struct __hack
420 #endif
421 #endif
422
423 #ifndef __RCSID_SOURCE
424 #ifndef NO__RCSID_SOURCE
425 #define __RCSID_SOURCE(s) __IDSTRING(__CONCAT(__rcsid_source_,__LINE__),s)
426 #else
427 #define __RCSID_SOURCE(s) struct __hack
428 #endif
429 #endif
430
431 #ifndef __SCCSID
432 #ifndef NO__SCCSID
433 #define __SCCSID(s) __IDSTRING(__CONCAT(__sccsid_,__LINE__),s)
434 #else
435 #define __SCCSID(s) struct __hack
436 #endif
437 #endif
438
439 #ifndef __COPYRIGHT
440 #ifndef NO__COPYRIGHT
441 #define __COPYRIGHT(s) __IDSTRING(__CONCAT(__copyright_,__LINE__),s)
442 #else
443 #define __COPYRIGHT(s) struct __hack
444 #endif
445 #endif
446
447 #ifndef __DECONST
448 #define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
449 #endif
450
451 #ifndef __DEVOLATILE
452 #define __DEVOLATILE(type, var) ((type)(uintptr_t)(volatile void *)(var))
453 #endif
454
455 #ifndef __DEQUALIFY
456 #define __DEQUALIFY(type, var) ((type)(uintptr_t)(const volatile void *)(var))
457 #endif
458
459 /*-
460 * The following definitions are an extension of the behavior originally
461 * implemented in <sys/_posix.h>, but with a different level of granularity.
462 * POSIX.1 requires that the macros we test be defined before any standard
463 * header file is included.
464 *
465 * Here's a quick run-down of the versions:
466 * defined(_POSIX_SOURCE) 1003.1-1988
467 * _POSIX_C_SOURCE == 1 1003.1-1990
468 * _POSIX_C_SOURCE == 2 1003.2-1992 C Language Binding Option
469 * _POSIX_C_SOURCE == 199309 1003.1b-1993
470 * _POSIX_C_SOURCE == 199506 1003.1c-1995, 1003.1i-1995,
471 * and the omnibus ISO/IEC 9945-1: 1996
472 * _POSIX_C_SOURCE == 200112 1003.1-2001
473 *
474 * In addition, the X/Open Portability Guide, which is now the Single UNIX
475 * Specification, defines a feature-test macro which indicates the version of
476 * that specification, and which subsumes _POSIX_C_SOURCE.
477 *
478 * Our macros begin with two underscores to avoid namespace screwage.
479 */
480
481 /* Deal with IEEE Std. 1003.1-1990, in which _POSIX_C_SOURCE == 1. */
482 #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 1
483 #undef _POSIX_C_SOURCE /* Probably illegal, but beyond caring now. */
484 #define _POSIX_C_SOURCE 199009
485 #endif
486
487 /* Deal with IEEE Std. 1003.2-1992, in which _POSIX_C_SOURCE == 2. */
488 #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE == 2
489 #undef _POSIX_C_SOURCE
490 #define _POSIX_C_SOURCE 199209
491 #endif
492
493 /* Deal with various X/Open Portability Guides and Single UNIX Spec. */
494 #ifdef _XOPEN_SOURCE
495 #if _XOPEN_SOURCE - 0 >= 600
496 #define __XSI_VISIBLE 600
497 #undef _POSIX_C_SOURCE
498 #define _POSIX_C_SOURCE 200112
499 #elif _XOPEN_SOURCE - 0 >= 500
500 #define __XSI_VISIBLE 500
501 #undef _POSIX_C_SOURCE
502 #define _POSIX_C_SOURCE 199506
503 #endif
504 #endif
505
506 /*
507 * Deal with all versions of POSIX. The ordering relative to the tests above is
508 * important.
509 */
510 #if defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE)
511 #define _POSIX_C_SOURCE 198808
512 #endif
513 #ifdef _POSIX_C_SOURCE
514 #if _POSIX_C_SOURCE >= 200112
515 #define __POSIX_VISIBLE 200112
516 #define __ISO_C_VISIBLE 1999
517 #elif _POSIX_C_SOURCE >= 199506
518 #define __POSIX_VISIBLE 199506
519 #define __ISO_C_VISIBLE 1990
520 #elif _POSIX_C_SOURCE >= 199309
521 #define __POSIX_VISIBLE 199309
522 #define __ISO_C_VISIBLE 1990
523 #elif _POSIX_C_SOURCE >= 199209
524 #define __POSIX_VISIBLE 199209
525 #define __ISO_C_VISIBLE 1990
526 #elif _POSIX_C_SOURCE >= 199009
527 #define __POSIX_VISIBLE 199009
528 #define __ISO_C_VISIBLE 1990
529 #else
530 #define __POSIX_VISIBLE 198808
531 #define __ISO_C_VISIBLE 0
532 #endif /* _POSIX_C_SOURCE */
533 #else
534 /*-
535 * Deal with _ANSI_SOURCE:
536 * If it is defined, and no other compilation environment is explicitly
537 * requested, then define our internal feature-test macros to zero. This
538 * makes no difference to the preprocessor (undefined symbols in preprocessing
539 * expressions are defined to have value zero), but makes it more convenient for
540 * a test program to print out the values.
541 *
542 * If a program mistakenly defines _ANSI_SOURCE and some other macro such as
543 * _POSIX_C_SOURCE, we will assume that it wants the broader compilation
544 * environment (and in fact we will never get here).
545 */
546 #if defined(_ANSI_SOURCE) /* Hide almost everything. */
547 #define __POSIX_VISIBLE 0
548 #define __XSI_VISIBLE 0
549 #define __BSD_VISIBLE 0
550 #define __ISO_C_VISIBLE 1990
551 #elif defined(_C99_SOURCE) /* Localism to specify strict C99 env. */
552 #define __POSIX_VISIBLE 0
553 #define __XSI_VISIBLE 0
554 #define __BSD_VISIBLE 0
555 #define __ISO_C_VISIBLE 1999
556 #else /* Default environment: show everything. */
557 #define __POSIX_VISIBLE 200112
558 #define __XSI_VISIBLE 600
559 #define __BSD_VISIBLE 1
560 #define __ISO_C_VISIBLE 1999
561 #endif
562 #endif
563
564 #endif /* !_SYS_CDEFS_H_ */
565
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