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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95
34 * $FreeBSD: src/include/stdlib.h,v 1.67 2008/07/22 11:40:42 ache Exp $
35 * $DragonFly: src/include/stdlib.h,v 1.22 2008/06/05 17:53:10 swildner Exp $
41 #include <sys/cdefs.h>
42 #include <sys/_null.h>
43 #include <sys/types.h>
45 #ifndef _SIZE_T_DECLARED
46 typedef __size_t
size_t;
47 #define _SIZE_T_DECLARED
51 #ifndef _WCHAR_T_DECLARED
52 typedef __wchar_t
wchar_t;
53 #define _WCHAR_T_DECLARED
58 int quot
; /* quotient */
59 int rem
; /* remainder */
67 #define EXIT_FAILURE 1
68 #define EXIT_SUCCESS 0
70 #define RAND_MAX 0x7fffffff
72 extern int __mb_cur_max
;
73 #define MB_CUR_MAX __mb_cur_max
76 void abort(void) __dead2
;
77 /* void abort2(const char *, int, void **) __dead2; */
78 #if !defined(_KERNEL_VIRTUAL)
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);
88 div_t div(int, int) __pure2
;
89 void exit(int) __dead2
;
91 char *getenv(const char *);
92 #if !defined(_KERNEL_VIRTUAL)
93 long labs(long) __pure2
;
95 ldiv_t ldiv(long, long) __pure2
;
97 int posix_memalign(void **, size_t, size_t);
98 int mblen(const char *, size_t);
99 size_t mbstowcs(wchar_t * __restrict
, const char * __restrict
, size_t);
100 int mbtowc(wchar_t * __restrict
, const char * __restrict
, size_t);
101 void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
103 void *realloc(void *, size_t);
104 void srand(unsigned);
105 double strtod(const char * __restrict
, char ** __restrict
);
106 float strtof(const char * __restrict
, char ** __restrict
);
107 #if !defined(_KERNEL_VIRTUAL)
108 long strtol(const char * __restrict
, char ** __restrict
, int);
111 strtold(const char * __restrict
, char ** __restrict
);
112 #if !defined(_KERNEL_VIRTUAL)
114 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 this header is _Exit().)
130 #if __ISO_C_VISIBLE >= 1999
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 void _Exit(int) __dead2
;
155 #endif /* __ISO_C_VISIBLE >= 1999 */
158 * Extensions made by POSIX relative to C. We don't know yet which edition
159 * of POSIX made these extensions, so assume they've always been there until
160 * research can be done.
162 #if __POSIX_VISIBLE /* >= ??? */
163 /*int posix_memalign(void **, size_t, size_t); (ADV) */
164 int rand_r(unsigned *); /* (TSF) */
165 int setenv(const char *, const char *, int);
166 int unsetenv(const char *);
169 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE
170 #ifndef _MKDTEMP_DECLARED
171 char *mkdtemp(char *);
172 #define _MKDTEMP_DECLARED
174 #ifndef _MKSTEMP_DECLARED
176 #define _MKSTEMP_DECLARED
178 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */
181 * The only changes to the XSI namespace in revision 6 were the deletion
182 * of the ttyslot() and valloc() functions, which we never declared
183 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which
184 * we also do not have, and mktemp(), are to be deleted.
187 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */
188 long a64l(const char *);
189 double drand48(void);
190 /* char *ecvt(double, int, int * __restrict, int * __restrict); */
191 double erand48(unsigned short[3]);
192 /* char *fcvt(double, int, int * __restrict, int * __restrict); */
193 /* char *gcvt(double, int, int * __restrict, int * __restrict); */
194 int getsubopt(char **, char *const *, char **);
196 char *initstate(unsigned long /* XSI requires u_int */, char *, long);
197 long jrand48(unsigned short[3]);
199 void lcong48(unsigned short[7]);
201 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600)
202 char *mktemp(char *);
203 #define _MKTEMP_DECLARED
206 long nrand48(unsigned short[3]);
207 int posix_openpt(int);
211 char *realpath(const char *, char resolved_path
[]);
213 *seed48(unsigned short[3]);
214 int setkey(const char *);
215 char *setstate(/* const */ char *);
217 void srandom(unsigned long);
219 #endif /* __XSI_VISIBLE */
222 /* extern const char *_malloc_options;
223 extern void (*_malloc_message)(const char *, const char *, const char *,
227 * The alloca() function can't be implemented in C, and on some
228 * platforms it can't be implemented at all as a callable function.
229 * The GNU C compiler provides a built-in alloca() which we can use;
230 * in all other cases, provide a prototype, mainly to pacify various
231 * incarnations of lint. On platforms where alloca() is not in libc,
232 * programs which use it will fail to link when compiled with non-GNU
235 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER)
236 #undef alloca /* some GNU bits try to get cute and define this on their own */
237 #define alloca(sz) __builtin_alloca(sz)
239 void *alloca(size_t);
244 void arc4random_addrandom(__uint8_t
*, size_t);
245 void arc4random_buf(void *, size_t);
246 void arc4random_stir(void);
248 arc4random_uniform(__uint32_t
);
249 char *getbsize(int *, long *);
251 /* getcap(3) functions */
252 char *cgetcap(char *, const char *, int);
254 int cgetent(char **, char **, const char *);
255 int cgetfirst(char **, char **);
256 int cgetmatch(const char *, const char *);
257 int cgetnext(char **, char **);
258 int cgetnum(char *, const char *, long *);
259 int cgetset(const char *);
260 int cgetstr(char *, const char *, char **);
261 int cgetustr(char *, const char *, char **);
263 int daemon(int, int);
264 char *devname(dev_t
, mode_t
);
265 char *devname_r(dev_t
, mode_t
, char *, size_t);
267 int fdevname_r(int, char *, size_t);
268 int getloadavg(double [], int);
272 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
273 int l64a_r(long, char *, int);
274 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
275 void qsort_r(void *, size_t, size_t, void *,
276 int (*)(void *, const void *, const void *));
277 int radixsort(const unsigned char **, int, const unsigned char *,
279 void *reallocf(void *, size_t);
280 int rpmatch(const char *);
281 void setprogname(const char *);
282 int sradixsort(const unsigned char **, int, const unsigned char *,
285 void srandomdev(void);
287 strtonum(const char *, long long, long long, const char **);
289 /* Deprecated interfaces. */
290 #if !defined(_KERNEL_VIRTUAL)
292 strtoq(const char *, char **, int);
294 strtouq(const char *, char **, int);
297 extern char *suboptarg
; /* getsubopt(3) external variable */
298 #endif /* __BSD_VISIBLE */
301 #endif /* !_STDLIB_H_ */