stdlib.h revision 139922
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1990, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 151539Srgrimes * This product includes software developed by the University of 161539Srgrimes * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 201539Srgrimes * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 321539Srgrimes * 3323657Speter * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 3455031Sbde * $FreeBSD: head/include/stdlib.h 139922 2005-01-09 03:55:13Z tjr $ 351539Srgrimes */ 361539Srgrimes 371539Srgrimes#ifndef _STDLIB_H_ 387865Sbde#define _STDLIB_H_ 391539Srgrimes 4033861Sbde#include <sys/cdefs.h> 41123257Smarcel#include <sys/_null.h> 42102227Smike#include <sys/_types.h> 4333861Sbde 44103728Swollman#if __BSD_VISIBLE 45102227Smike#ifndef _RUNE_T_DECLARED 46102227Smiketypedef __rune_t rune_t; 47102227Smike#define _RUNE_T_DECLARED 4815483Sbde#endif 4915483Sbde#endif 5015483Sbde 51102227Smike#ifndef _SIZE_T_DECLARED 52102227Smiketypedef __size_t size_t; 53102227Smike#define _SIZE_T_DECLARED 541539Srgrimes#endif 551539Srgrimes 5699640Sobrien#ifndef __cplusplus 57102227Smike#ifndef _WCHAR_T_DECLARED 58102227Smiketypedef __wchar_t wchar_t; 59102227Smike#define _WCHAR_T_DECLARED 601539Srgrimes#endif 6199640Sobrien#endif 621539Srgrimes 631539Srgrimestypedef struct { 64103766Sbde int quot; /* quotient */ 65103766Sbde int rem; /* remainder */ 661539Srgrimes} div_t; 671539Srgrimes 681539Srgrimestypedef struct { 69103766Sbde long quot; 70103766Sbde long rem; 711539Srgrimes} ldiv_t; 721539Srgrimes 731539Srgrimes#define EXIT_FAILURE 1 741539Srgrimes#define EXIT_SUCCESS 0 751539Srgrimes 761539Srgrimes#define RAND_MAX 0x7fffffff 771539Srgrimes 781539Srgrimesextern int __mb_cur_max; 791539Srgrimes#define MB_CUR_MAX __mb_cur_max 801539Srgrimes 811539Srgrimes__BEGIN_DECLS 8293032Simpvoid abort(void) __dead2; 8393032Simpint abs(int) __pure2; 8493032Simpint atexit(void (*)(void)); 8593032Simpdouble atof(const char *); 8693032Simpint atoi(const char *); 8793032Simplong atol(const char *); 8893032Simpvoid *bsearch(const void *, const void *, size_t, 8993032Simp size_t, int (*)(const void *, const void *)); 9093032Simpvoid *calloc(size_t, size_t); 9193032Simpdiv_t div(int, int) __pure2; 9293032Simpvoid exit(int) __dead2; 9393032Simpvoid free(void *); 9493032Simpchar *getenv(const char *); 9593032Simplong labs(long) __pure2; 9693032Simpldiv_t ldiv(long, long) __pure2; 9793032Simpvoid *malloc(size_t); 98103728Swollmanint mblen(const char *, size_t); 99103766Sbdesize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 100103728Swollmanint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 10193032Simpvoid qsort(void *, size_t, size_t, 10293032Simp int (*)(const void *, const void *)); 10393032Simpint rand(void); 10493032Simpvoid *realloc(void *, size_t); 10593032Simpvoid srand(unsigned); 106103766Sbdedouble strtod(const char * __restrict, char ** __restrict); 107112163Sdasfloat strtof(const char * __restrict, char ** __restrict); 108103766Sbdelong strtol(const char * __restrict, char ** __restrict, int); 109112163Sdaslong double 110112163Sdas strtold(const char * __restrict, char ** __restrict); 1111539Srgrimesunsigned long 112103012Stjr strtoul(const char * __restrict, char ** __restrict, int); 11393032Simpint system(const char *); 11493032Simpint wctomb(char *, wchar_t); 115103012Stjrsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 1161539Srgrimes 117103728Swollman/* 118103728Swollman * Functions added in C99 which we make conditionally available in the 119103728Swollman * BSD^C89 namespace if the compiler supports `long long'. 120103728Swollman * The #if test is more complicated than it ought to be because 121103728Swollman * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 122103728Swollman * is not supported in the compilation environment (which therefore means 123103728Swollman * that it can't really be ISO C99). 124103728Swollman * 125103728Swollman * (The only other extension made by C99 in thie header is _Exit().) 126103728Swollman */ 127103728Swollman#if __ISO_C_VISIBLE >= 1999 128103728Swollman#ifdef __LONG_LONG_SUPPORTED 129103728Swollman/* LONGLONG */ 130103728Swollmantypedef struct { 131103728Swollman long long quot; 132103728Swollman long long rem; 133103728Swollman} lldiv_t; 13469201Sphk 135103728Swollman/* LONGLONG */ 136103728Swollmanlong long 137103728Swollman atoll(const char *); 138103728Swollman/* LONGLONG */ 139103728Swollmanlong long 140103728Swollman llabs(long long) __pure2; 141103728Swollman/* LONGLONG */ 142103728Swollmanlldiv_t lldiv(long long, long long) __pure2; 143103728Swollman/* LONGLONG */ 144103766Sbdelong long 145103766Sbde strtoll(const char * __restrict, char ** __restrict, int); 146103728Swollman/* LONGLONG */ 147103728Swollmanunsigned long long 148103766Sbde strtoull(const char * __restrict, char ** __restrict, int); 149103728Swollman#endif /* __LONG_LONG_SUPPORTED */ 150103728Swollman 151103766Sbdevoid _Exit(int) __dead2; 152103728Swollman#endif /* __ISO_C_VISIBLE >= 1999 */ 153103728Swollman 154103728Swollman/* 155103728Swollman * Extensions made by POSIX relative to C. We don't know yet which edition 156103728Swollman * of POSIX made these extensions, so assume they've always been there until 157103728Swollman * research can be done. 158103728Swollman */ 159103728Swollman#if __POSIX_VISIBLE /* >= ??? */ 160103728Swollman/* int posix_memalign(void **, size_t, size_t); (ADV) */ 161103728Swollmanint rand_r(unsigned *); /* (TSF) */ 16293032Simpint setenv(const char *, const char *, int); 163103728Swollmanvoid unsetenv(const char *); 164103728Swollman#endif 1651539Srgrimes 166103728Swollman/* 167103728Swollman * The only changes to the XSI namespace in revision 6 were the deletion 168103728Swollman * of the ttyslot() and valloc() functions, which FreeBSD never declared 169103728Swollman * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 170103728Swollman * FreeBSD also does not have, and mktemp(), are to be deleted. 171103728Swollman */ 172103728Swollman#if __XSI_VISIBLE 173103728Swollman/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 174103728Swollman/* long a64l(const char *); */ 17593032Simpdouble drand48(void); 176103766Sbde/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 17793032Simpdouble erand48(unsigned short[3]); 178103766Sbde/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 179103766Sbde/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 180103728Swollmanint getsubopt(char **, char *const *, char **); 181108574Sjmallettint grantpt(int); 182103728Swollmanchar *initstate(unsigned long /* XSI requires u_int */, char *, long); 18393032Simplong jrand48(unsigned short[3]); 184103728Swollman/* char *l64a(long); */ 18593032Simpvoid lcong48(unsigned short[7]); 18693032Simplong lrand48(void); 187103728Swollman#ifndef _MKSTEMP_DECLARED 188103728Swollmanint mkstemp(char *); 189103728Swollman#define _MKSTEMP_DECLARED 190103728Swollman#endif 191103728Swollman#ifndef _MKTEMP_DECLARED 192103728Swollmanchar *mktemp(char *); 193103766Sbde#define _MKTEMP_DECLARED 194103728Swollman#endif 19593032Simplong mrand48(void); 19693032Simplong nrand48(unsigned short[3]); 197108574Sjmallettint posix_openpt(int); 198108574Sjmallettchar *ptsname(int); 199103728Swollmanint putenv(const char *); 200103728Swollmanlong random(void); 201103728Swollmanchar *realpath(const char *, char resolved_path[]); 2027865Sbdeunsigned short 20393032Simp *seed48(unsigned short[3]); 204103728Swollman#ifndef _SETKEY_DECLARED 205103728Swollmanint setkey(const char *); 206103728Swollman#define _SETKEY_DECLARED 207103728Swollman#endif 208103728Swollmanchar *setstate(/* const */ char *); 20993032Simpvoid srand48(long); 210103728Swollmanvoid srandom(unsigned long); 211108574Sjmallettint unlockpt(int); 212103728Swollman#endif /* __XSI_VISIBLE */ 2134749Sats 214103728Swollman#if __BSD_VISIBLE 215103728Swollmanextern const char *_malloc_options; 216103766Sbdeextern void (*_malloc_message)(const char *, const char *, const char *, 217103766Sbde const char *); 218103728Swollman 219116397Sdes/* 220116397Sdes * The alloca() function can't be implemented in C, and on some 221116397Sdes * platforms it can't be implemented at all as a callable function. 222116397Sdes * The GNU C compiler provides a built-in alloca() which we can use; 223116397Sdes * in all other cases, provide a prototype, mainly to pacify various 224116397Sdes * incarnations of lint. On platforms where alloca() is not in libc, 225116397Sdes * programs which use it will fail to link when compiled with non-GNU 226116397Sdes * compilers. 227116397Sdes */ 228116831Sobrien#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 229116831Sobrien#undef alloca /* some GNU bits try to get cute and define this on their own */ 230116397Sdes#define alloca(sz) __builtin_alloca(sz) 231116831Sobrien#elif defined(lint) 232116831Sobrienvoid *alloca(size_t); 233116397Sdes#endif 234116397Sdes 23541927Sdt__uint32_t 23693032Simp arc4random(void); 23793032Simpvoid arc4random_addrandom(unsigned char *dat, int datlen); 23893032Simpvoid arc4random_stir(void); 239108445Sobrienchar *getbsize(int *, long *); 240103728Swollman /* getcap(3) functions */ 24193032Simpchar *cgetcap(char *, const char *, int); 24293032Simpint cgetclose(void); 24393032Simpint cgetent(char **, char **, const char *); 24493032Simpint cgetfirst(char **, char **); 24593032Simpint cgetmatch(const char *, const char *); 24693032Simpint cgetnext(char **, char **); 24793032Simpint cgetnum(char *, const char *, long *); 24893032Simpint cgetset(const char *); 24993032Simpint cgetstr(char *, const char *, char **); 25093032Simpint cgetustr(char *, const char *, char **); 2511539Srgrimes 25293032Simpint daemon(int, int); 25393032Simpchar *devname(int, int); 254116680Sdwmalonechar *devname_r(int, int, char *, int); 25593032Simpint getloadavg(double [], int); 25688399Smike__const char * 25793032Simp getprogname(void); 2581539Srgrimes 25993032Simpint heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 26093032Simpint mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 261103164Swollmanvoid qsort_r(void *, size_t, size_t, void *, 262103164Swollman int (*)(void *, const void *, const void *)); 26393032Simpint radixsort(const unsigned char **, int, const unsigned char *, 26493032Simp unsigned); 26593032Simpvoid *reallocf(void *, size_t); 266139922Stjrint rpmatch(const char *); 26793032Simpvoid setprogname(const char *); 268103164Swollmanint sradixsort(const unsigned char **, int, const unsigned char *, 269103164Swollman unsigned); 27093032Simpvoid sranddev(void); 27193032Simpvoid srandomdev(void); 272103728Swollman 273103728Swollman/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 274103766Sbde__int64_t 275103766Sbde strtoq(const char *, char **, int); 27641927Sdt__uint64_t 27793032Simp strtouq(const char *, char **, int); 278126136Sache 279126136Sacheextern char *suboptarg; /* getsubopt(3) external variable */ 280103728Swollman#endif /* __BSD_VISIBLE */ 2811539Srgrimes__END_DECLS 2821539Srgrimes 2837865Sbde#endif /* !_STDLIB_H_ */ 284