stdlib.h revision 126136
1142425Snectar/*- 2160814Ssimon * Copyright (c) 1990, 1993 3142425Snectar * The Regents of the University of California. All rights reserved. 4142425Snectar * 5142425Snectar * Redistribution and use in source and binary forms, with or without 6142425Snectar * modification, are permitted provided that the following conditions 7142425Snectar * are met: 8142425Snectar * 1. Redistributions of source code must retain the above copyright 9142425Snectar * notice, this list of conditions and the following disclaimer. 10142425Snectar * 2. Redistributions in binary form must reproduce the above copyright 11142425Snectar * notice, this list of conditions and the following disclaimer in the 12142425Snectar * documentation and/or other materials provided with the distribution. 13142425Snectar * 3. All advertising materials mentioning features or use of this software 14142425Snectar * must display the following acknowledgement: 15142425Snectar * This product includes software developed by the University of 16142425Snectar * California, Berkeley and its contributors. 17142425Snectar * 4. Neither the name of the University nor the names of its contributors 18142425Snectar * may be used to endorse or promote products derived from this software 19142425Snectar * without specific prior written permission. 20238405Sjkim * 21160814Ssimon * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22238405Sjkim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23160814Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24142425Snectar * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25142425Snectar * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26142425Snectar * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27142425Snectar * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28142425Snectar * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29142425Snectar * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30142425Snectar * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31142425Snectar * SUCH DAMAGE. 32142425Snectar * 33142425Snectar * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 34142425Snectar * $FreeBSD: head/include/stdlib.h 126136 2004-02-23 03:16:59Z ache $ 35142425Snectar */ 36142425Snectar 37142425Snectar#ifndef _STDLIB_H_ 38238405Sjkim#define _STDLIB_H_ 39142425Snectar 40142425Snectar#include <sys/cdefs.h> 41142425Snectar#include <sys/_null.h> 42142425Snectar#include <sys/_types.h> 43142425Snectar 44142425Snectar#if __BSD_VISIBLE 45142425Snectar#ifndef _RUNE_T_DECLARED 46142425Snectartypedef __rune_t rune_t; 47142425Snectar#define _RUNE_T_DECLARED 48142425Snectar#endif 49142425Snectar#endif 50142425Snectar 51160814Ssimon#ifndef _SIZE_T_DECLARED 52160814Ssimontypedef __size_t size_t; 53142425Snectar#define _SIZE_T_DECLARED 54142425Snectar#endif 55142425Snectar 56142425Snectar#ifndef __cplusplus 57142425Snectar#ifndef _WCHAR_T_DECLARED 58142425Snectartypedef __wchar_t wchar_t; 59142425Snectar#define _WCHAR_T_DECLARED 60142425Snectar#endif 61142425Snectar#endif 62142425Snectar 63142425Snectartypedef struct { 64142425Snectar int quot; /* quotient */ 65142425Snectar int rem; /* remainder */ 66142425Snectar} div_t; 67160814Ssimon 68142425Snectartypedef struct { 69142425Snectar long quot; 70142425Snectar long rem; 71142425Snectar} ldiv_t; 72142425Snectar 73142425Snectar#define EXIT_FAILURE 1 74142425Snectar#define EXIT_SUCCESS 0 75142425Snectar 76142425Snectar#define RAND_MAX 0x7fffffff 77142425Snectar 78142425Snectarextern int __mb_cur_max; 79160814Ssimon#define MB_CUR_MAX __mb_cur_max 80160814Ssimon 81142425Snectar__BEGIN_DECLS 82238405Sjkimvoid abort(void) __dead2; 83238405Sjkimint abs(int) __pure2; 84238405Sjkimint atexit(void (*)(void)); 85238405Sjkimdouble atof(const char *); 86238405Sjkimint atoi(const char *); 87238405Sjkimlong atol(const char *); 88238405Sjkimvoid *bsearch(const void *, const void *, size_t, 89142425Snectar size_t, int (*)(const void *, const void *)); 90142425Snectarvoid *calloc(size_t, size_t); 91142425Snectardiv_t div(int, int) __pure2; 92142425Snectarvoid exit(int) __dead2; 93142425Snectarvoid free(void *); 94142425Snectarchar *getenv(const char *); 95142425Snectarlong labs(long) __pure2; 96142425Snectarldiv_t ldiv(long, long) __pure2; 97142425Snectarvoid *malloc(size_t); 98142425Snectarint mblen(const char *, size_t); 99142425Snectarsize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 100194206Ssimonint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 101194206Ssimonvoid qsort(void *, size_t, size_t, 102238405Sjkim int (*)(const void *, const void *)); 103194206Ssimonint rand(void); 104194206Ssimonvoid *realloc(void *, size_t); 105194206Ssimonvoid srand(unsigned); 106194206Ssimondouble strtod(const char * __restrict, char ** __restrict); 107194206Ssimonfloat strtof(const char * __restrict, char ** __restrict); 108142425Snectarlong strtol(const char * __restrict, char ** __restrict, int); 109194206Ssimonlong double 110194206Ssimon strtold(const char * __restrict, char ** __restrict); 111160814Ssimonunsigned long 112194206Ssimon strtoul(const char * __restrict, char ** __restrict, int); 113238405Sjkimint system(const char *); 114160814Ssimonint wctomb(char *, wchar_t); 115160814Ssimonsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 116160814Ssimon 117160814Ssimon/* 118238405Sjkim * Functions added in C99 which we make conditionally available in the 119238405Sjkim * BSD^C89 namespace if the compiler supports `long long'. 120238405Sjkim * The #if test is more complicated than it ought to be because 121238405Sjkim * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 122238405Sjkim * is not supported in the compilation environment (which therefore means 123238405Sjkim * that it can't really be ISO C99). 124160814Ssimon * 125160814Ssimon * (The only other extension made by C99 in thie header is _Exit().) 126160814Ssimon */ 127142425Snectar#if __ISO_C_VISIBLE >= 1999 128238405Sjkim#ifdef __LONG_LONG_SUPPORTED 129238405Sjkim/* LONGLONG */ 130142425Snectartypedef struct { 131160814Ssimon long long quot; 132160814Ssimon long long rem; 133160814Ssimon} lldiv_t; 134160814Ssimon 135160814Ssimon/* LONGLONG */ 136160814Ssimonlong long 137160814Ssimon atoll(const char *); 138142425Snectar/* LONGLONG */ 139238405Sjkimlong long 140238405Sjkim llabs(long long) __pure2; 141142425Snectar/* LONGLONG */ 142142425Snectarlldiv_t lldiv(long long, long long) __pure2; 143160814Ssimon/* LONGLONG */ 144160814Ssimonlong long 145160814Ssimon strtoll(const char * __restrict, char ** __restrict, int); 146160814Ssimon/* LONGLONG */ 147160814Ssimonunsigned long long 148160814Ssimon strtoull(const char * __restrict, char ** __restrict, int); 149160814Ssimon#endif /* __LONG_LONG_SUPPORTED */ 150142425Snectar 151238405Sjkimvoid _Exit(int) __dead2; 152238405Sjkim#endif /* __ISO_C_VISIBLE >= 1999 */ 153142425Snectar 154160814Ssimon/* 155160814Ssimon * Extensions made by POSIX relative to C. We don't know yet which edition 156160814Ssimon * of POSIX made these extensions, so assume they've always been there until 157160814Ssimon * research can be done. 158142425Snectar */ 159142425Snectar#if __POSIX_VISIBLE /* >= ??? */ 160142425Snectar/* int posix_memalign(void **, size_t, size_t); (ADV) */ 161142425Snectarint rand_r(unsigned *); /* (TSF) */ 162142425Snectarint setenv(const char *, const char *, int); 163142425Snectarvoid unsetenv(const char *); 164142425Snectar#endif 165 166/* 167 * The only changes to the XSI namespace in revision 6 were the deletion 168 * of the ttyslot() and valloc() functions, which FreeBSD never declared 169 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 170 * FreeBSD also does not have, and mktemp(), are to be deleted. 171 */ 172#if __XSI_VISIBLE 173/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 174/* long a64l(const char *); */ 175double drand48(void); 176/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 177double erand48(unsigned short[3]); 178/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 179/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 180int getsubopt(char **, char *const *, char **); 181int grantpt(int); 182char *initstate(unsigned long /* XSI requires u_int */, char *, long); 183long jrand48(unsigned short[3]); 184/* char *l64a(long); */ 185void lcong48(unsigned short[7]); 186long lrand48(void); 187#ifndef _MKSTEMP_DECLARED 188int mkstemp(char *); 189#define _MKSTEMP_DECLARED 190#endif 191#ifndef _MKTEMP_DECLARED 192char *mktemp(char *); 193#define _MKTEMP_DECLARED 194#endif 195long mrand48(void); 196long nrand48(unsigned short[3]); 197int posix_openpt(int); 198char *ptsname(int); 199int putenv(const char *); 200long random(void); 201char *realpath(const char *, char resolved_path[]); 202unsigned short 203 *seed48(unsigned short[3]); 204#ifndef _SETKEY_DECLARED 205int setkey(const char *); 206#define _SETKEY_DECLARED 207#endif 208char *setstate(/* const */ char *); 209void srand48(long); 210void srandom(unsigned long); 211int unlockpt(int); 212#endif /* __XSI_VISIBLE */ 213 214#if __BSD_VISIBLE 215extern const char *_malloc_options; 216extern void (*_malloc_message)(const char *, const char *, const char *, 217 const char *); 218 219/* 220 * The alloca() function can't be implemented in C, and on some 221 * platforms it can't be implemented at all as a callable function. 222 * The GNU C compiler provides a built-in alloca() which we can use; 223 * in all other cases, provide a prototype, mainly to pacify various 224 * incarnations of lint. On platforms where alloca() is not in libc, 225 * programs which use it will fail to link when compiled with non-GNU 226 * compilers. 227 */ 228#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 229#undef alloca /* some GNU bits try to get cute and define this on their own */ 230#define alloca(sz) __builtin_alloca(sz) 231#elif defined(lint) 232void *alloca(size_t); 233#endif 234 235__uint32_t 236 arc4random(void); 237void arc4random_addrandom(unsigned char *dat, int datlen); 238void arc4random_stir(void); 239char *getbsize(int *, long *); 240 /* getcap(3) functions */ 241char *cgetcap(char *, const char *, int); 242int cgetclose(void); 243int cgetent(char **, char **, const char *); 244int cgetfirst(char **, char **); 245int cgetmatch(const char *, const char *); 246int cgetnext(char **, char **); 247int cgetnum(char *, const char *, long *); 248int cgetset(const char *); 249int cgetstr(char *, const char *, char **); 250int cgetustr(char *, const char *, char **); 251 252int daemon(int, int); 253char *devname(int, int); 254char *devname_r(int, int, char *, int); 255int getloadavg(double [], int); 256__const char * 257 getprogname(void); 258 259int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 260int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 261void qsort_r(void *, size_t, size_t, void *, 262 int (*)(void *, const void *, const void *)); 263int radixsort(const unsigned char **, int, const unsigned char *, 264 unsigned); 265void *reallocf(void *, size_t); 266void setprogname(const char *); 267int sradixsort(const unsigned char **, int, const unsigned char *, 268 unsigned); 269void sranddev(void); 270void srandomdev(void); 271 272/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 273__int64_t 274 strtoq(const char *, char **, int); 275__uint64_t 276 strtouq(const char *, char **, int); 277 278extern char *suboptarg; /* getsubopt(3) external variable */ 279#endif /* __BSD_VISIBLE */ 280__END_DECLS 281 282#endif /* !_STDLIB_H_ */ 283