2 * Copyright (c) 1990, 1993
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 * 3. 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 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
36 #include <sys/cdefs.h>
37 #include <sys/_null.h>
38 #include <sys/_types.h>
40 __NULLABILITY_PRAGMA_PUSH
43 #ifndef _RUNE_T_DECLARED
44 typedef __rune_t rune_t;
45 #define _RUNE_T_DECLARED
49 #ifndef _SIZE_T_DECLARED
50 typedef __size_t size_t;
51 #define _SIZE_T_DECLARED
55 #ifndef _WCHAR_T_DECLARED
56 typedef ___wchar_t wchar_t;
57 #define _WCHAR_T_DECLARED
62 int quot; /* quotient */
63 int rem; /* remainder */
71 #define EXIT_FAILURE 1
72 #define EXIT_SUCCESS 0
74 #define RAND_MAX 0x7ffffffd
78 #include <xlocale/_stdlib.h>
80 extern int __mb_cur_max;
81 extern int ___mb_cur_max(void);
82 #define MB_CUR_MAX ((size_t)___mb_cur_max())
84 _Noreturn void abort(void);
86 int atexit(void (* _Nonnull)(void));
87 double atof(const char *);
88 int atoi(const char *);
89 long atol(const char *);
90 void *bsearch(const void *, const void *, size_t,
91 size_t, int (*)(const void * _Nonnull, const void *));
92 void *calloc(size_t, size_t) __malloc_like __result_use_check
93 __alloc_size(1) __alloc_size(2);
94 div_t div(int, int) __pure2;
95 _Noreturn void exit(int);
97 char *getenv(const char *);
98 long labs(long) __pure2;
99 ldiv_t ldiv(long, long) __pure2;
100 void *malloc(size_t) __malloc_like __result_use_check __alloc_size(1);
101 int mblen(const char *, size_t);
102 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
103 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
104 void qsort(void *, size_t, size_t,
105 int (* _Nonnull)(const void *, const void *));
107 void *realloc(void *, size_t) __result_use_check __alloc_size(2);
108 void srand(unsigned);
109 double strtod(const char * __restrict, char ** __restrict);
110 float strtof(const char * __restrict, char ** __restrict);
111 long strtol(const char * __restrict, char ** __restrict, int);
113 strtold(const char * __restrict, char ** __restrict);
115 strtoul(const char * __restrict, char ** __restrict, int);
116 int system(const char *);
117 int wctomb(char *, wchar_t);
118 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
121 * Functions added in C99 which we make conditionally available in the
122 * BSD^C89 namespace if the compiler supports `long long'.
123 * The #if test is more complicated than it ought to be because
124 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
125 * is not supported in the compilation environment (which therefore means
126 * that it can't really be ISO C99).
128 * (The only other extension made by C99 in thie header is _Exit().)
130 #if __ISO_C_VISIBLE >= 1999 || defined(__cplusplus)
131 #ifdef __LONG_LONG_SUPPORTED
143 llabs(long long) __pure2;
145 lldiv_t lldiv(long long, long long) __pure2;
148 strtoll(const char * __restrict, char ** __restrict, int);
151 strtoull(const char * __restrict, char ** __restrict, int);
152 #endif /* __LONG_LONG_SUPPORTED */
154 _Noreturn void _Exit(int);
155 #endif /* __ISO_C_VISIBLE >= 1999 */
158 * If we're in a mode greater than C99, expose C11 functions.
160 #if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L
161 void * aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1)
163 int at_quick_exit(void (*)(void));
166 #endif /* __ISO_C_VISIBLE >= 2011 */
168 * Extensions made by POSIX relative to C.
170 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE
171 char *realpath(const char * __restrict, char * __restrict);
173 #if __POSIX_VISIBLE >= 199506
174 int rand_r(unsigned *); /* (TSF) */
176 #if __POSIX_VISIBLE >= 200112
177 int posix_memalign(void **, size_t, size_t); /* (ADV) */
178 int setenv(const char *, const char *, int);
179 int unsetenv(const char *);
182 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
183 int getsubopt(char **, char *const *, char **);
184 #ifndef _MKDTEMP_DECLARED
185 char *mkdtemp(char *);
186 #define _MKDTEMP_DECLARED
188 #ifndef _MKSTEMP_DECLARED
190 #define _MKSTEMP_DECLARED
192 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
195 * The only changes to the XSI namespace in revision 6 were the deletion
196 * of the ttyslot() and valloc() functions, which FreeBSD never declared
197 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
198 * FreeBSD also does not have, and mktemp(), are to be deleted.
201 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
202 long a64l(const char *);
203 double drand48(void);
204 /* char *ecvt(double, int, int * __restrict, int * __restrict); */
205 double erand48(unsigned short[3]);
206 /* char *fcvt(double, int, int * __restrict, int * __restrict); */
207 /* char *gcvt(double, int, int * __restrict, int * __restrict); */
209 char *initstate(unsigned int, char *, size_t);
210 long jrand48(unsigned short[3]);
212 void lcong48(unsigned short[7]);
214 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600)
215 char *mktemp(char *);
216 #define _MKTEMP_DECLARED
219 long nrand48(unsigned short[3]);
220 int posix_openpt(int);
225 *seed48(unsigned short[3]);
226 char *setstate(/* const */ char *);
228 void srandom(unsigned int);
230 #endif /* __XSI_VISIBLE */
233 extern const char *malloc_conf;
234 extern void (*malloc_message)(void *, const char *);
237 * The alloca() function can't be implemented in C, and on some
238 * platforms it can't be implemented at all as a callable function.
239 * The GNU C compiler provides a built-in alloca() which we can use;
240 * in all other cases, provide a prototype, mainly to pacify various
241 * incarnations of lint. On platforms where alloca() is not in libc,
242 * programs which use it will fail to link when compiled with non-GNU
245 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
246 #undef alloca /* some GNU bits try to get cute and define this on their own */
247 #define alloca(sz) __builtin_alloca(sz)
249 void *alloca(size_t);
252 void abort2(const char *, int, void **) __dead2;
255 void arc4random_addrandom(unsigned char *, int);
256 void arc4random_buf(void *, size_t);
257 void arc4random_stir(void);
259 arc4random_uniform(__uint32_t);
261 int atexit_b(void (^ _Nonnull)(void));
262 void *bsearch_b(const void *, const void *, size_t,
263 size_t, int (^ _Nonnull)(const void *, const void *));
265 char *getbsize(int *, long *);
266 /* getcap(3) functions */
267 char *cgetcap(char *, const char *, int);
269 int cgetent(char **, char **, const char *);
270 int cgetfirst(char **, char **);
271 int cgetmatch(const char *, const char *);
272 int cgetnext(char **, char **);
273 int cgetnum(char *, const char *, long *);
274 int cgetset(const char *);
275 int cgetstr(char *, const char *, char **);
276 int cgetustr(char *, const char *, char **);
278 int daemon(int, int);
279 char *devname(__dev_t, __mode_t);
280 char *devname_r(__dev_t, __mode_t, char *, int);
282 char *fdevname_r(int, char *, int);
283 int getloadavg(double [], int);
287 int heapsort(void *, size_t, size_t,
288 int (* _Nonnull)(const void *, const void *));
290 int heapsort_b(void *, size_t, size_t,
291 int (^ _Nonnull)(const void *, const void *));
292 void qsort_b(void *, size_t, size_t,
293 int (^ _Nonnull)(const void *, const void *));
295 int l64a_r(long, char *, int);
296 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
298 int mergesort_b(void *, size_t, size_t, int (^)(const void *, const void *));
300 int mkostemp(char *, int);
301 int mkostemps(char *, int, int);
302 void qsort_r(void *, size_t, size_t, void *,
303 int (*)(void *, const void *, const void *));
304 int radixsort(const unsigned char **, int, const unsigned char *,
306 void *reallocarray(void *, size_t, size_t) __result_use_check __alloc_size(2)
308 void *reallocf(void *, size_t) __alloc_size(2);
309 int rpmatch(const char *);
310 void setprogname(const char *);
311 int sradixsort(const unsigned char **, int, const unsigned char *,
314 void srandomdev(void);
316 strtonum(const char *, long long, long long, const char **);
318 /* Deprecated interfaces, to be removed. */
320 strtoq(const char *, char **, int);
322 strtouq(const char *, char **, int);
324 extern char *suboptarg; /* getsubopt(3) external variable */
325 #endif /* __BSD_VISIBLE */
329 #ifndef _ERRNO_T_DEFINED
330 #define _ERRNO_T_DEFINED
335 typedef void (*constraint_handler_t)(const char * __restrict,
336 void * __restrict, errno_t);
338 constraint_handler_t set_constraint_handler_s(constraint_handler_t handler);
340 _Noreturn void abort_handler_s(const char * __restrict, void * __restrict,
343 void ignore_handler_s(const char * __restrict, void * __restrict, errno_t);
344 #endif /* __EXT1_VISIBLE */
347 __NULLABILITY_PRAGMA_POP
349 #endif /* !_STDLIB_H_ */