stdlib.h revision 189349
1/*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 20 * 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 31 * SUCH DAMAGE. 32 * 33 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 34 * $FreeBSD: head/include/stdlib.h 189349 2009-03-04 03:31:10Z das $ 35 */ 36 37#ifndef _STDLIB_H_ 38#define _STDLIB_H_ 39 40#include <sys/cdefs.h> 41#include <sys/_null.h> 42#include <sys/_types.h> 43 44#if __BSD_VISIBLE 45#ifndef _RUNE_T_DECLARED 46typedef __rune_t rune_t; 47#define _RUNE_T_DECLARED 48#endif 49#endif 50 51#ifndef _SIZE_T_DECLARED 52typedef __size_t size_t; 53#define _SIZE_T_DECLARED 54#endif 55 56#ifndef __cplusplus 57#ifndef _WCHAR_T_DECLARED 58typedef __wchar_t wchar_t; 59#define _WCHAR_T_DECLARED 60#endif 61#endif 62 63typedef struct { 64 int quot; /* quotient */ 65 int rem; /* remainder */ 66} div_t; 67 68typedef struct { 69 long quot; 70 long rem; 71} ldiv_t; 72 73#define EXIT_FAILURE 1 74#define EXIT_SUCCESS 0 75 76#define RAND_MAX 0x7fffffff 77 78extern int __mb_cur_max; 79#define MB_CUR_MAX __mb_cur_max 80 81__BEGIN_DECLS 82void abort(void) __dead2; 83void abort2(const char *, int, void **) __dead2; 84int abs(int) __pure2; 85int atexit(void (*)(void)); 86double atof(const char *); 87int atoi(const char *); 88long atol(const char *); 89void *bsearch(const void *, const void *, size_t, 90 size_t, int (*)(const void *, const void *)); 91void *calloc(size_t, size_t) __malloc_like; 92div_t div(int, int) __pure2; 93void exit(int) __dead2; 94void free(void *); 95char *getenv(const char *); 96long labs(long) __pure2; 97ldiv_t ldiv(long, long) __pure2; 98void *malloc(size_t) __malloc_like; 99int mblen(const char *, size_t); 100size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 101int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 102void qsort(void *, size_t, size_t, 103 int (*)(const void *, const void *)); 104int rand(void); 105void *realloc(void *, size_t); 106void srand(unsigned); 107double strtod(const char * __restrict, char ** __restrict); 108float strtof(const char * __restrict, char ** __restrict); 109long strtol(const char * __restrict, char ** __restrict, int); 110long double 111 strtold(const char * __restrict, char ** __restrict); 112unsigned long 113 strtoul(const char * __restrict, char ** __restrict, int); 114int system(const char *); 115int wctomb(char *, wchar_t); 116size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 117 118/* 119 * Functions added in C99 which we make conditionally available in the 120 * BSD^C89 namespace if the compiler supports `long long'. 121 * The #if test is more complicated than it ought to be because 122 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 123 * is not supported in the compilation environment (which therefore means 124 * that it can't really be ISO C99). 125 * 126 * (The only other extension made by C99 in thie header is _Exit().) 127 */ 128#if __ISO_C_VISIBLE >= 1999 129#ifdef __LONG_LONG_SUPPORTED 130/* LONGLONG */ 131typedef struct { 132 long long quot; 133 long long rem; 134} lldiv_t; 135 136/* LONGLONG */ 137long long 138 atoll(const char *); 139/* LONGLONG */ 140long long 141 llabs(long long) __pure2; 142/* LONGLONG */ 143lldiv_t lldiv(long long, long long) __pure2; 144/* LONGLONG */ 145long long 146 strtoll(const char * __restrict, char ** __restrict, int); 147/* LONGLONG */ 148unsigned long long 149 strtoull(const char * __restrict, char ** __restrict, int); 150#endif /* __LONG_LONG_SUPPORTED */ 151 152void _Exit(int) __dead2; 153#endif /* __ISO_C_VISIBLE >= 1999 */ 154 155/* 156 * Extensions made by POSIX relative to C. We don't know yet which edition 157 * of POSIX made these extensions, so assume they've always been there until 158 * research can be done. 159 */ 160#if __POSIX_VISIBLE /* >= ??? */ 161int posix_memalign(void **, size_t, size_t); /* (ADV) */ 162int rand_r(unsigned *); /* (TSF) */ 163int setenv(const char *, const char *, int); 164int unsetenv(const char *); 165#endif 166 167#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 168int getsubopt(char **, char *const *, char **); 169#ifndef _MKDTEMP_DECLARED 170char *mkdtemp(char *); 171#define _MKDTEMP_DECLARED 172#endif 173#ifndef _MKSTEMP_DECLARED 174int mkstemp(char *); 175#define _MKSTEMP_DECLARED 176#endif 177#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 178 179/* 180 * The only changes to the XSI namespace in revision 6 were the deletion 181 * of the ttyslot() and valloc() functions, which FreeBSD never declared 182 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 183 * FreeBSD also does not have, and mktemp(), are to be deleted. 184 */ 185#if __XSI_VISIBLE 186/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 187long a64l(const char *); 188double drand48(void); 189/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 190double erand48(unsigned short[3]); 191/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 192/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 193int grantpt(int); 194char *initstate(unsigned long /* XSI requires u_int */, char *, long); 195long jrand48(unsigned short[3]); 196char *l64a(long); 197void lcong48(unsigned short[7]); 198long lrand48(void); 199#if !defined(_MKTEMP_DECLARED) && __XSI_VISIBLE <= 600 200char *mktemp(char *); 201#define _MKTEMP_DECLARED 202#endif 203long mrand48(void); 204long nrand48(unsigned short[3]); 205int posix_openpt(int); 206char *ptsname(int); 207int putenv(char *); 208long random(void); 209char *realpath(const char *, char resolved_path[]); 210unsigned short 211 *seed48(unsigned short[3]); 212#ifndef _SETKEY_DECLARED 213int setkey(const char *); 214#define _SETKEY_DECLARED 215#endif 216char *setstate(/* const */ char *); 217void srand48(long); 218void srandom(unsigned long); 219int unlockpt(int); 220#endif /* __XSI_VISIBLE */ 221 222#if __BSD_VISIBLE 223extern const char *_malloc_options; 224extern void (*_malloc_message)(const char *, const char *, const char *, 225 const char *); 226 227/* 228 * The alloca() function can't be implemented in C, and on some 229 * platforms it can't be implemented at all as a callable function. 230 * The GNU C compiler provides a built-in alloca() which we can use; 231 * in all other cases, provide a prototype, mainly to pacify various 232 * incarnations of lint. On platforms where alloca() is not in libc, 233 * programs which use it will fail to link when compiled with non-GNU 234 * compilers. 235 */ 236#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 237#undef alloca /* some GNU bits try to get cute and define this on their own */ 238#define alloca(sz) __builtin_alloca(sz) 239#elif defined(lint) 240void *alloca(size_t); 241#endif 242 243__uint32_t 244 arc4random(void); 245void arc4random_addrandom(unsigned char *, int); 246void arc4random_buf(void *, size_t); 247void arc4random_stir(void); 248__uint32_t 249 arc4random_uniform(__uint32_t); 250char *getbsize(int *, long *); 251 /* getcap(3) functions */ 252char *cgetcap(char *, const char *, int); 253int cgetclose(void); 254int cgetent(char **, char **, const char *); 255int cgetfirst(char **, char **); 256int cgetmatch(const char *, const char *); 257int cgetnext(char **, char **); 258int cgetnum(char *, const char *, long *); 259int cgetset(const char *); 260int cgetstr(char *, const char *, char **); 261int cgetustr(char *, const char *, char **); 262 263int daemon(int, int); 264char *devname(__dev_t, __mode_t); 265char *devname_r(__dev_t, __mode_t, char *, int); 266char *fdevname(int); 267char *fdevname_r(int, char *, int); 268int getloadavg(double [], int); 269__const char * 270 getprogname(void); 271 272int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 273int l64a_r(long, char *, int); 274int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 275void qsort_r(void *, size_t, size_t, void *, 276 int (*)(void *, const void *, const void *)); 277int radixsort(const unsigned char **, int, const unsigned char *, 278 unsigned); 279void *reallocf(void *, size_t); 280int rpmatch(const char *); 281void setprogname(const char *); 282int sradixsort(const unsigned char **, int, const unsigned char *, 283 unsigned); 284void sranddev(void); 285void srandomdev(void); 286long long 287 strtonum(const char *, long long, long long, const char **); 288 289/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 290__int64_t 291 strtoq(const char *, char **, int); 292__uint64_t 293 strtouq(const char *, char **, int); 294 295extern char *suboptarg; /* getsubopt(3) external variable */ 296#endif /* __BSD_VISIBLE */ 297__END_DECLS 298 299#endif /* !_STDLIB_H_ */ 300