stdlib.h revision 203964
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. 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. 16 * 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 27 * SUCH DAMAGE. 28 * 29 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 30 * $FreeBSD: head/include/stdlib.h 203964 2010-02-16 19:39:50Z imp $ 31 */ 32 33#ifndef _STDLIB_H_ 34#define _STDLIB_H_ 35 36#include <sys/cdefs.h> 37#include <sys/_null.h> 38#include <sys/_types.h> 39 40#if __BSD_VISIBLE 41#ifndef _RUNE_T_DECLARED 42typedef __rune_t rune_t; 43#define _RUNE_T_DECLARED 44#endif 45#endif 46 47#ifndef _SIZE_T_DECLARED 48typedef __size_t size_t; 49#define _SIZE_T_DECLARED 50#endif 51 52#ifndef __cplusplus 53#ifndef _WCHAR_T_DECLARED 54typedef __wchar_t wchar_t; 55#define _WCHAR_T_DECLARED 56#endif 57#endif 58 59typedef struct { 60 int quot; /* quotient */ 61 int rem; /* remainder */ 62} div_t; 63 64typedef struct { 65 long quot; 66 long rem; 67} ldiv_t; 68 69#define EXIT_FAILURE 1 70#define EXIT_SUCCESS 0 71 72#define RAND_MAX 0x7fffffff 73 74extern int __mb_cur_max; 75#define MB_CUR_MAX __mb_cur_max 76 77__BEGIN_DECLS 78void abort(void) __dead2; 79int abs(int) __pure2; 80int atexit(void (*)(void)); 81double atof(const char *); 82int atoi(const char *); 83long atol(const char *); 84void *bsearch(const void *, const void *, size_t, 85 size_t, int (*)(const void *, const void *)); 86void *calloc(size_t, size_t) __malloc_like; 87div_t div(int, int) __pure2; 88void exit(int) __dead2; 89void free(void *); 90char *getenv(const char *); 91long labs(long) __pure2; 92ldiv_t ldiv(long, long) __pure2; 93void *malloc(size_t) __malloc_like; 94int mblen(const char *, size_t); 95size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 96int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 97void qsort(void *, size_t, size_t, 98 int (*)(const void *, const void *)); 99int rand(void); 100void *realloc(void *, size_t); 101void srand(unsigned); 102double strtod(const char * __restrict, char ** __restrict); 103float strtof(const char * __restrict, char ** __restrict); 104long strtol(const char * __restrict, char ** __restrict, int); 105long double 106 strtold(const char * __restrict, char ** __restrict); 107unsigned long 108 strtoul(const char * __restrict, char ** __restrict, int); 109int system(const char *); 110int wctomb(char *, wchar_t); 111size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 112 113/* 114 * Functions added in C99 which we make conditionally available in the 115 * BSD^C89 namespace if the compiler supports `long long'. 116 * The #if test is more complicated than it ought to be because 117 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 118 * is not supported in the compilation environment (which therefore means 119 * that it can't really be ISO C99). 120 * 121 * (The only other extension made by C99 in thie header is _Exit().) 122 */ 123#if __ISO_C_VISIBLE >= 1999 124#ifdef __LONG_LONG_SUPPORTED 125/* LONGLONG */ 126typedef struct { 127 long long quot; 128 long long rem; 129} lldiv_t; 130 131/* LONGLONG */ 132long long 133 atoll(const char *); 134/* LONGLONG */ 135long long 136 llabs(long long) __pure2; 137/* LONGLONG */ 138lldiv_t lldiv(long long, long long) __pure2; 139/* LONGLONG */ 140long long 141 strtoll(const char * __restrict, char ** __restrict, int); 142/* LONGLONG */ 143unsigned long long 144 strtoull(const char * __restrict, char ** __restrict, int); 145#endif /* __LONG_LONG_SUPPORTED */ 146 147void _Exit(int) __dead2; 148#endif /* __ISO_C_VISIBLE >= 1999 */ 149 150/* 151 * Extensions made by POSIX relative to C. We don't know yet which edition 152 * of POSIX made these extensions, so assume they've always been there until 153 * research can be done. 154 */ 155#if __POSIX_VISIBLE /* >= ??? */ 156int posix_memalign(void **, size_t, size_t); /* (ADV) */ 157int rand_r(unsigned *); /* (TSF) */ 158int setenv(const char *, const char *, int); 159int unsetenv(const char *); 160#endif 161 162#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 163int getsubopt(char **, char *const *, char **); 164#ifndef _MKDTEMP_DECLARED 165char *mkdtemp(char *); 166#define _MKDTEMP_DECLARED 167#endif 168#ifndef _MKSTEMP_DECLARED 169int mkstemp(char *); 170#define _MKSTEMP_DECLARED 171#endif 172#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 173 174/* 175 * The only changes to the XSI namespace in revision 6 were the deletion 176 * of the ttyslot() and valloc() functions, which FreeBSD never declared 177 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 178 * FreeBSD also does not have, and mktemp(), are to be deleted. 179 */ 180#if __XSI_VISIBLE 181/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 182long a64l(const char *); 183double drand48(void); 184/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 185double erand48(unsigned short[3]); 186/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 187/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 188int grantpt(int); 189char *initstate(unsigned long /* XSI requires u_int */, char *, long); 190long jrand48(unsigned short[3]); 191char *l64a(long); 192void lcong48(unsigned short[7]); 193long lrand48(void); 194#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 195char *mktemp(char *); 196#define _MKTEMP_DECLARED 197#endif 198long mrand48(void); 199long nrand48(unsigned short[3]); 200int posix_openpt(int); 201char *ptsname(int); 202int putenv(char *); 203long random(void); 204char *realpath(const char *, char resolved_path[]); 205unsigned short 206 *seed48(unsigned short[3]); 207#ifndef _SETKEY_DECLARED 208int setkey(const char *); 209#define _SETKEY_DECLARED 210#endif 211char *setstate(/* const */ char *); 212void srand48(long); 213void srandom(unsigned long); 214int unlockpt(int); 215#endif /* __XSI_VISIBLE */ 216 217#if __BSD_VISIBLE 218extern const char *_malloc_options; 219extern void (*_malloc_message)(const char *, const char *, const char *, 220 const char *); 221 222/* 223 * The alloca() function can't be implemented in C, and on some 224 * platforms it can't be implemented at all as a callable function. 225 * The GNU C compiler provides a built-in alloca() which we can use; 226 * in all other cases, provide a prototype, mainly to pacify various 227 * incarnations of lint. On platforms where alloca() is not in libc, 228 * programs which use it will fail to link when compiled with non-GNU 229 * compilers. 230 */ 231#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 232#undef alloca /* some GNU bits try to get cute and define this on their own */ 233#define alloca(sz) __builtin_alloca(sz) 234#elif defined(lint) 235void *alloca(size_t); 236#endif 237 238void abort2(const char *, int, void **) __dead2; 239__uint32_t 240 arc4random(void); 241void arc4random_addrandom(unsigned char *, int); 242void arc4random_buf(void *, size_t); 243void arc4random_stir(void); 244__uint32_t 245 arc4random_uniform(__uint32_t); 246char *getbsize(int *, long *); 247 /* getcap(3) functions */ 248char *cgetcap(char *, const char *, int); 249int cgetclose(void); 250int cgetent(char **, char **, const char *); 251int cgetfirst(char **, char **); 252int cgetmatch(const char *, const char *); 253int cgetnext(char **, char **); 254int cgetnum(char *, const char *, long *); 255int cgetset(const char *); 256int cgetstr(char *, const char *, char **); 257int cgetustr(char *, const char *, char **); 258 259int daemon(int, int); 260char *devname(__dev_t, __mode_t); 261char *devname_r(__dev_t, __mode_t, char *, int); 262char *fdevname(int); 263char *fdevname_r(int, char *, int); 264int getloadavg(double [], int); 265__const char * 266 getprogname(void); 267 268int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 269int l64a_r(long, char *, int); 270int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 271void qsort_r(void *, size_t, size_t, void *, 272 int (*)(void *, const void *, const void *)); 273int radixsort(const unsigned char **, int, const unsigned char *, 274 unsigned); 275void *reallocf(void *, size_t); 276int rpmatch(const char *); 277void setprogname(const char *); 278int sradixsort(const unsigned char **, int, const unsigned char *, 279 unsigned); 280void sranddev(void); 281void srandomdev(void); 282long long 283 strtonum(const char *, long long, long long, const char **); 284 285/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 286__int64_t 287 strtoq(const char *, char **, int); 288__uint64_t 289 strtouq(const char *, char **, int); 290 291extern char *suboptarg; /* getsubopt(3) external variable */ 292#endif /* __BSD_VISIBLE */ 293__END_DECLS 294 295#endif /* !_STDLIB_H_ */ 296