2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
38 #include <sys/cdefs.h>
39 #include <sys/_null.h>
40 #include <sys/_types.h>
42 __NULLABILITY_PRAGMA_PUSH
45 #ifndef _RUNE_T_DECLARED
46 typedef __rune_t rune_t;
47 #define _RUNE_T_DECLARED
51 #ifndef _SIZE_T_DECLARED
52 typedef __size_t size_t;
53 #define _SIZE_T_DECLARED
57 #ifndef _WCHAR_T_DECLARED
58 typedef ___wchar_t wchar_t;
59 #define _WCHAR_T_DECLARED
64 int quot; /* quotient */
65 int rem; /* remainder */
73 #define EXIT_FAILURE 1
74 #define EXIT_SUCCESS 0
77 * I.e., INT_MAX; rand(3) returns a signed integer but must produce output in
78 * the range [0, RAND_MAX], so half of the possible output range is unused.
80 #define RAND_MAX 0x7fffffff
84 #include <xlocale/_stdlib.h>
86 extern int __mb_cur_max;
87 extern int ___mb_cur_max(void);
88 #define MB_CUR_MAX ((size_t)___mb_cur_max())
90 _Noreturn void abort(void);
92 int atexit(void (* _Nonnull)(void));
93 double atof(const char *);
94 int atoi(const char *);
95 long atol(const char *);
96 void *bsearch(const void *, const void *, size_t,
97 size_t, int (*)(const void * _Nonnull, const void *));
98 void *calloc(size_t, size_t) __malloc_like __result_use_check
100 div_t div(int, int) __pure2;
101 _Noreturn void exit(int);
103 char *getenv(const char *);
104 long labs(long) __pure2;
105 ldiv_t ldiv(long, long) __pure2;
106 void *malloc(size_t) __malloc_like __result_use_check __alloc_size(1);
107 int mblen(const char *, size_t);
108 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
109 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
110 void qsort(void *, size_t, size_t,
111 int (* _Nonnull)(const void *, const void *));
113 void *realloc(void *, size_t) __result_use_check __alloc_size(2);
114 void srand(unsigned);
115 double strtod(const char * __restrict, char ** __restrict);
116 float strtof(const char * __restrict, char ** __restrict);
117 long strtol(const char * __restrict, char ** __restrict, int);
119 strtold(const char * __restrict, char ** __restrict);
121 strtoul(const char * __restrict, char ** __restrict, int);
122 int system(const char *);
123 int wctomb(char *, wchar_t);
124 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
127 * Functions added in C99 which we make conditionally available in the
128 * BSD^C89 namespace if the compiler supports `long long'.
129 * The #if test is more complicated than it ought to be because
130 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
131 * is not supported in the compilation environment (which therefore means
132 * that it can't really be ISO C99).
134 * (The only other extension made by C99 in thie header is _Exit().)
136 #if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus)
137 #ifdef __LONG_LONG_SUPPORTED
149 llabs(long long) __pure2;
151 lldiv_t lldiv(long long, long long) __pure2;
154 strtoll(const char * __restrict, char ** __restrict, int);
157 strtoull(const char * __restrict, char ** __restrict, int);
158 #endif /* __LONG_LONG_SUPPORTED */
160 _Noreturn void _Exit(int);
161 #endif /* __ISO_C_VISIBLE >= 1999 */
164 * If we're in a mode greater than C99, expose C11 functions.
166 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
167 void * aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1)
169 int at_quick_exit(void (*)(void));
172 #endif /* __ISO_C_VISIBLE >= 2011 */
174 * Extensions made by POSIX relative to C.
176 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
177 char *realpath(const char * __restrict, char * __restrict);
179 #if __POSIX_VISIBLE >= 199506
180 int rand_r(unsigned *); /* (TSF) */
182 #if __POSIX_VISIBLE >= 200112
183 int posix_memalign(void **, size_t, size_t); /* (ADV) */
184 int setenv(const char *, const char *, int);
185 int unsetenv(const char *);
188 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
189 int getsubopt(char **, char *const *, char **);
190 #ifndef _MKDTEMP_DECLARED
191 char *mkdtemp(char *);
192 #define _MKDTEMP_DECLARED
194 #ifndef _MKSTEMP_DECLARED
196 #define _MKSTEMP_DECLARED
198 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
201 * The only changes to the XSI namespace in revision 6 were the deletion
202 * of the ttyslot() and valloc() functions, which FreeBSD never declared
203 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
204 * FreeBSD also does not have, and mktemp(), are to be deleted.
207 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
208 long a64l(const char *);
209 double drand48(void);
210 /* char *ecvt(double, int, int * __restrict, int * __restrict); */
211 double erand48(unsigned short[3]);
212 /* char *fcvt(double, int, int * __restrict, int * __restrict); */
213 /* char *gcvt(double, int, int * __restrict, int * __restrict); */
215 char *initstate(unsigned int, char *, size_t);
216 long jrand48(unsigned short[3]);
218 void lcong48(unsigned short[7]);
220 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600)
221 char *mktemp(char *);
222 #define _MKTEMP_DECLARED
225 long nrand48(unsigned short[3]);
226 int posix_openpt(int);
231 *seed48(unsigned short[3]);
232 char *setstate(/* const */ char *);
234 void srandom(unsigned int);
236 #endif /* __XSI_VISIBLE */
239 extern const char *malloc_conf;
240 extern void (*malloc_message)(void *, const char *);
243 * The alloca() function can't be implemented in C, and on some
244 * platforms it can't be implemented at all as a callable function.
245 * The GNU C compiler provides a built-in alloca() which we can use.
246 * On platforms where alloca() is not in libc, programs which use it
247 * will fail to link when compiled with non-GNU compilers.
249 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
250 #undef alloca /* some GNU bits try to get cute and define this on their own */
251 #define alloca(sz) __builtin_alloca(sz)
254 void abort2(const char *, int, void **) __dead2;
257 void arc4random_buf(void *, size_t);
259 arc4random_uniform(__uint32_t);
262 int atexit_b(void (^ _Nonnull)(void));
263 void *bsearch_b(const void *, const void *, size_t,
264 size_t, int (^ _Nonnull)(const void *, const void *));
266 char *getbsize(int *, long *);
267 /* getcap(3) functions */
268 char *cgetcap(char *, const char *, int);
270 int cgetent(char **, char **, const char *);
271 int cgetfirst(char **, char **);
272 int cgetmatch(const char *, const char *);
273 int cgetnext(char **, char **);
274 int cgetnum(char *, const char *, long *);
275 int cgetset(const char *);
276 int cgetstr(char *, const char *, char **);
277 int cgetustr(char *, const char *, char **);
279 int daemon(int, int);
280 int daemonfd(int, int);
281 char *devname(__dev_t, __mode_t);
282 char *devname_r(__dev_t, __mode_t, char *, int);
284 char *fdevname_r(int, char *, int);
285 int getloadavg(double [], int);
289 int heapsort(void *, size_t, size_t,
290 int (* _Nonnull)(const void *, const void *));
292 int heapsort_b(void *, size_t, size_t,
293 int (^ _Nonnull)(const void *, const void *));
294 void qsort_b(void *, size_t, size_t,
295 int (^ _Nonnull)(const void *, const void *));
297 int l64a_r(long, char *, int);
298 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
300 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *));
302 int mkostemp(char *, int);
303 int mkostemps(char *, int, int);
304 int mkostempsat(int, char *, int, int);
305 void qsort_r(void *, size_t, size_t, void *,
306 int (*)(void *, const void *, const void *));
307 int radixsort(const unsigned char **, int, const unsigned char *,
309 void *reallocarray(void *, size_t, size_t) __result_use_check
311 void *reallocf(void *, size_t) __result_use_check __alloc_size(2);
312 int rpmatch(const char *);
313 void setprogname(const char *);
314 int sradixsort(const unsigned char **, int, const unsigned char *,
316 void srandomdev(void);
318 strtonum(const char *, long long, long long, const char **);
320 /* Deprecated interfaces, to be removed. */
322 strtoq(const char *, char **, int);
324 strtouq(const char *, char **, int);
326 extern char *suboptarg; /* getsubopt(3) external variable */
327 #endif /* __BSD_VISIBLE */
331 #ifndef _RSIZE_T_DEFINED
332 #define _RSIZE_T_DEFINED
333 typedef size_t rsize_t;
336 #ifndef _ERRNO_T_DEFINED
337 #define _ERRNO_T_DEFINED
342 typedef void (*constraint_handler_t)(const char * __restrict,
343 void * __restrict, errno_t);
345 constraint_handler_t set_constraint_handler_s(constraint_handler_t handler);
347 _Noreturn void abort_handler_s(const char * __restrict, void * __restrict,
350 void ignore_handler_s(const char * __restrict, void * __restrict, errno_t);
352 errno_t qsort_s(void *, rsize_t, rsize_t,
353 int (*)(const void *, const void *, void *), void *);
354 #endif /* __EXT1_VISIBLE */
357 __NULLABILITY_PRAGMA_POP
359 #endif /* !_STDLIB_H_ */