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
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29 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
36 #include <sys/cdefs.h>
37 #include <sys/_null.h>
38 #include <sys/_types.h>
41 #ifndef _RUNE_T_DECLARED
42 typedef __rune_t rune_t;
43 #define _RUNE_T_DECLARED
47 #ifndef _SIZE_T_DECLARED
48 typedef __size_t size_t;
49 #define _SIZE_T_DECLARED
53 #ifndef _WCHAR_T_DECLARED
54 typedef __wchar_t wchar_t;
55 #define _WCHAR_T_DECLARED
60 int quot; /* quotient */
61 int rem; /* remainder */
69 #define EXIT_FAILURE 1
70 #define EXIT_SUCCESS 0
72 #define RAND_MAX 0x7fffffff
75 extern int __mb_cur_max;
76 extern int ___mb_cur_max(void);
77 #define MB_CUR_MAX (___mb_cur_max())
79 _Noreturn void abort(void);
81 int atexit(void (*)(void));
82 double atof(const char *);
83 int atoi(const char *);
84 long atol(const char *);
85 void *bsearch(const void *, const void *, size_t,
86 size_t, int (*)(const void *, const void *));
87 void *calloc(size_t, size_t) __malloc_like;
88 div_t div(int, int) __pure2;
89 _Noreturn void exit(int);
91 char *getenv(const char *);
92 long labs(long) __pure2;
93 ldiv_t ldiv(long, long) __pure2;
94 void *malloc(size_t) __malloc_like;
95 int mblen(const char *, size_t);
96 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
97 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
98 void qsort(void *, size_t, size_t,
99 int (*)(const void *, const void *));
101 void *realloc(void *, size_t);
102 void srand(unsigned);
103 double strtod(const char * __restrict, char ** __restrict);
104 float strtof(const char * __restrict, char ** __restrict);
105 long strtol(const char * __restrict, char ** __restrict, int);
107 strtold(const char * __restrict, char ** __restrict);
109 strtoul(const char * __restrict, char ** __restrict, int);
110 int system(const char *);
111 int wctomb(char *, wchar_t);
112 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
115 * Functions added in C99 which we make conditionally available in the
116 * BSD^C89 namespace if the compiler supports `long long'.
117 * The #if test is more complicated than it ought to be because
118 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long'
119 * is not supported in the compilation environment (which therefore means
120 * that it can't really be ISO C99).
122 * (The only other extension made by C99 in thie header is _Exit().)
124 #if __ISO_C_VISIBLE >= 1999
125 #ifdef __LONG_LONG_SUPPORTED
137 llabs(long long) __pure2;
139 lldiv_t lldiv(long long, long long) __pure2;
142 strtoll(const char * __restrict, char ** __restrict, int);
145 strtoull(const char * __restrict, char ** __restrict, int);
146 #endif /* __LONG_LONG_SUPPORTED */
148 _Noreturn void _Exit(int);
149 #endif /* __ISO_C_VISIBLE >= 1999 */
152 * If we're in a mode greater than C99, expose C11 functions.
154 #if __ISO_C_VISIBLE >= 2011
155 void * aligned_alloc(size_t, size_t);
156 int at_quick_exit(void (*)(void));
159 #endif /* __ISO_C_VISIBLE >= 2011 */
161 * Extensions made by POSIX relative to C. We don't know yet which edition
162 * of POSIX made these extensions, so assume they've always been there until
163 * research can be done.
165 #if __POSIX_VISIBLE /* >= ??? */
166 int posix_memalign(void **, size_t, size_t); /* (ADV) */
167 int rand_r(unsigned *); /* (TSF) */
168 char *realpath(const char * __restrict, char * __restrict);
169 int setenv(const char *, const char *, int);
170 int unsetenv(const char *);
173 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
174 int getsubopt(char **, char *const *, char **);
175 #ifndef _MKDTEMP_DECLARED
176 char *mkdtemp(char *);
177 #define _MKDTEMP_DECLARED
179 #ifndef _MKSTEMP_DECLARED
181 #define _MKSTEMP_DECLARED
183 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
186 * The only changes to the XSI namespace in revision 6 were the deletion
187 * of the ttyslot() and valloc() functions, which FreeBSD never declared
188 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
189 * FreeBSD also does not have, and mktemp(), are to be deleted.
192 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
193 long a64l(const char *);
194 double drand48(void);
195 /* char *ecvt(double, int, int * __restrict, int * __restrict); */
196 double erand48(unsigned short[3]);
197 /* char *fcvt(double, int, int * __restrict, int * __restrict); */
198 /* char *gcvt(double, int, int * __restrict, int * __restrict); */
200 char *initstate(unsigned long /* XSI requires u_int */, char *, long);
201 long jrand48(unsigned short[3]);
203 void lcong48(unsigned short[7]);
205 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600)
206 char *mktemp(char *);
207 #define _MKTEMP_DECLARED
210 long nrand48(unsigned short[3]);
211 int posix_openpt(int);
216 *seed48(unsigned short[3]);
217 #ifndef _SETKEY_DECLARED
218 int setkey(const char *);
219 #define _SETKEY_DECLARED
221 char *setstate(/* const */ char *);
223 void srandom(unsigned long);
225 #endif /* __XSI_VISIBLE */
228 extern const char *_malloc_options;
229 extern void (*_malloc_message)(const char *, const char *, const char *,
233 * The alloca() function can't be implemented in C, and on some
234 * platforms it can't be implemented at all as a callable function.
235 * The GNU C compiler provides a built-in alloca() which we can use;
236 * in all other cases, provide a prototype, mainly to pacify various
237 * incarnations of lint. On platforms where alloca() is not in libc,
238 * programs which use it will fail to link when compiled with non-GNU
241 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
242 #undef alloca /* some GNU bits try to get cute and define this on their own */
243 #define alloca(sz) __builtin_alloca(sz)
245 void *alloca(size_t);
248 void abort2(const char *, int, void **) __dead2;
251 void arc4random_addrandom(unsigned char *, int);
252 void arc4random_buf(void *, size_t);
253 void arc4random_stir(void);
255 arc4random_uniform(__uint32_t);
256 char *getbsize(int *, long *);
257 /* getcap(3) functions */
258 char *cgetcap(char *, const char *, int);
260 int cgetent(char **, char **, const char *);
261 int cgetfirst(char **, char **);
262 int cgetmatch(const char *, const char *);
263 int cgetnext(char **, char **);
264 int cgetnum(char *, const char *, long *);
265 int cgetset(const char *);
266 int cgetstr(char *, const char *, char **);
267 int cgetustr(char *, const char *, char **);
269 int daemon(int, int);
270 char *devname(__dev_t, __mode_t);
271 char *devname_r(__dev_t, __mode_t, char *, int);
273 char *fdevname_r(int, char *, int);
274 int getloadavg(double [], int);
278 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
279 int l64a_r(long, char *, int);
280 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
281 void qsort_r(void *, size_t, size_t, void *,
282 int (*)(void *, const void *, const void *));
283 int radixsort(const unsigned char **, int, const unsigned char *,
285 void *reallocf(void *, size_t);
286 int rpmatch(const char *);
287 void setprogname(const char *);
288 int sradixsort(const unsigned char **, int, const unsigned char *,
291 void srandomdev(void);
293 strtonum(const char *, long long, long long, const char **);
295 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */
297 strtoq(const char *, char **, int);
299 strtouq(const char *, char **, int);
301 extern char *suboptarg; /* getsubopt(3) external variable */
302 #endif /* __BSD_VISIBLE */
305 #endif /* !_STDLIB_H_ */