stdlib.h revision 153684
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 153684 2005-12-23 12:28:10Z phk $ 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); 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); 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 /* >= ??? */ 161/* int posix_memalign(void **, size_t, size_t); (ADV) */ 162int rand_r(unsigned *); /* (TSF) */ 163int setenv(const char *, const char *, int); 164void unsetenv(const char *); 165#endif 166 167/* 168 * The only changes to the XSI namespace in revision 6 were the deletion 169 * of the ttyslot() and valloc() functions, which FreeBSD never declared 170 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 171 * FreeBSD also does not have, and mktemp(), are to be deleted. 172 */ 173#if __XSI_VISIBLE 174/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 175/* long a64l(const char *); */ 176double drand48(void); 177/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 178double erand48(unsigned short[3]); 179/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 180/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 181int getsubopt(char **, char *const *, char **); 182int grantpt(int); 183char *initstate(unsigned long /* XSI requires u_int */, char *, long); 184long jrand48(unsigned short[3]); 185/* char *l64a(long); */ 186void lcong48(unsigned short[7]); 187long lrand48(void); 188#ifndef _MKSTEMP_DECLARED 189int mkstemp(char *); 190#define _MKSTEMP_DECLARED 191#endif 192#ifndef _MKTEMP_DECLARED 193char *mktemp(char *); 194#define _MKTEMP_DECLARED 195#endif 196long mrand48(void); 197long nrand48(unsigned short[3]); 198int posix_openpt(int); 199char *ptsname(int); 200int putenv(const char *); 201long random(void); 202char *realpath(const char *, char resolved_path[]); 203unsigned short 204 *seed48(unsigned short[3]); 205#ifndef _SETKEY_DECLARED 206int setkey(const char *); 207#define _SETKEY_DECLARED 208#endif 209char *setstate(/* const */ char *); 210void srand48(long); 211void srandom(unsigned long); 212int unlockpt(int); 213#endif /* __XSI_VISIBLE */ 214 215#if __BSD_VISIBLE 216extern const char *_malloc_options; 217extern void (*_malloc_message)(const char *, const char *, const char *, 218 const char *); 219 220/* 221 * The alloca() function can't be implemented in C, and on some 222 * platforms it can't be implemented at all as a callable function. 223 * The GNU C compiler provides a built-in alloca() which we can use; 224 * in all other cases, provide a prototype, mainly to pacify various 225 * incarnations of lint. On platforms where alloca() is not in libc, 226 * programs which use it will fail to link when compiled with non-GNU 227 * compilers. 228 */ 229#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 230#undef alloca /* some GNU bits try to get cute and define this on their own */ 231#define alloca(sz) __builtin_alloca(sz) 232#elif defined(lint) 233void *alloca(size_t); 234#endif 235 236__uint32_t 237 arc4random(void); 238void arc4random_addrandom(unsigned char *dat, int datlen); 239void arc4random_stir(void); 240char *getbsize(int *, long *); 241 /* getcap(3) functions */ 242char *cgetcap(char *, const char *, int); 243int cgetclose(void); 244int cgetent(char **, char **, const char *); 245int cgetfirst(char **, char **); 246int cgetmatch(const char *, const char *); 247int cgetnext(char **, char **); 248int cgetnum(char *, const char *, long *); 249int cgetset(const char *); 250int cgetstr(char *, const char *, char **); 251int cgetustr(char *, const char *, char **); 252 253int daemon(int, int); 254char *devname(__dev_t, __mode_t); 255char *devname_r(__dev_t, __mode_t, char *, int); 256int getloadavg(double [], int); 257__const char * 258 getprogname(void); 259 260int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 261int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 262void qsort_r(void *, size_t, size_t, void *, 263 int (*)(void *, const void *, const void *)); 264int radixsort(const unsigned char **, int, const unsigned char *, 265 unsigned); 266void *reallocf(void *, size_t); 267int rpmatch(const char *); 268void setprogname(const char *); 269int sradixsort(const unsigned char **, int, const unsigned char *, 270 unsigned); 271void sranddev(void); 272void srandomdev(void); 273 274/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 275__int64_t 276 strtoq(const char *, char **, int); 277__uint64_t 278 strtouq(const char *, char **, int); 279 280extern char *suboptarg; /* getsubopt(3) external variable */ 281#endif /* __BSD_VISIBLE */ 282__END_DECLS 283 284#endif /* !_STDLIB_H_ */ 285