stdlib.h revision 203964
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. 13203964Simp * 3. Neither the name of the University nor the names of its contributors 141539Srgrimes * may be used to endorse or promote products derived from this software 151539Srgrimes * without specific prior written permission. 161539Srgrimes * 171539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271539Srgrimes * SUCH DAMAGE. 281539Srgrimes * 2923657Speter * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 3055031Sbde * $FreeBSD: head/include/stdlib.h 203964 2010-02-16 19:39:50Z imp $ 311539Srgrimes */ 321539Srgrimes 331539Srgrimes#ifndef _STDLIB_H_ 347865Sbde#define _STDLIB_H_ 351539Srgrimes 3633861Sbde#include <sys/cdefs.h> 37123257Smarcel#include <sys/_null.h> 38102227Smike#include <sys/_types.h> 3933861Sbde 40103728Swollman#if __BSD_VISIBLE 41102227Smike#ifndef _RUNE_T_DECLARED 42102227Smiketypedef __rune_t rune_t; 43102227Smike#define _RUNE_T_DECLARED 4415483Sbde#endif 4515483Sbde#endif 4615483Sbde 47102227Smike#ifndef _SIZE_T_DECLARED 48102227Smiketypedef __size_t size_t; 49102227Smike#define _SIZE_T_DECLARED 501539Srgrimes#endif 511539Srgrimes 5299640Sobrien#ifndef __cplusplus 53102227Smike#ifndef _WCHAR_T_DECLARED 54102227Smiketypedef __wchar_t wchar_t; 55102227Smike#define _WCHAR_T_DECLARED 561539Srgrimes#endif 5799640Sobrien#endif 581539Srgrimes 591539Srgrimestypedef struct { 60103766Sbde int quot; /* quotient */ 61103766Sbde int rem; /* remainder */ 621539Srgrimes} div_t; 631539Srgrimes 641539Srgrimestypedef struct { 65103766Sbde long quot; 66103766Sbde long rem; 671539Srgrimes} ldiv_t; 681539Srgrimes 691539Srgrimes#define EXIT_FAILURE 1 701539Srgrimes#define EXIT_SUCCESS 0 711539Srgrimes 721539Srgrimes#define RAND_MAX 0x7fffffff 731539Srgrimes 741539Srgrimesextern int __mb_cur_max; 751539Srgrimes#define MB_CUR_MAX __mb_cur_max 761539Srgrimes 771539Srgrimes__BEGIN_DECLS 7893032Simpvoid abort(void) __dead2; 7993032Simpint abs(int) __pure2; 8093032Simpint atexit(void (*)(void)); 8193032Simpdouble atof(const char *); 8293032Simpint atoi(const char *); 8393032Simplong atol(const char *); 8493032Simpvoid *bsearch(const void *, const void *, size_t, 8593032Simp size_t, int (*)(const void *, const void *)); 86187961Sdasvoid *calloc(size_t, size_t) __malloc_like; 8793032Simpdiv_t div(int, int) __pure2; 8893032Simpvoid exit(int) __dead2; 8993032Simpvoid free(void *); 9093032Simpchar *getenv(const char *); 9193032Simplong labs(long) __pure2; 9293032Simpldiv_t ldiv(long, long) __pure2; 93187961Sdasvoid *malloc(size_t) __malloc_like; 94103728Swollmanint mblen(const char *, size_t); 95103766Sbdesize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 96103728Swollmanint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 9793032Simpvoid qsort(void *, size_t, size_t, 9893032Simp int (*)(const void *, const void *)); 9993032Simpint rand(void); 10093032Simpvoid *realloc(void *, size_t); 10193032Simpvoid srand(unsigned); 102103766Sbdedouble strtod(const char * __restrict, char ** __restrict); 103112163Sdasfloat strtof(const char * __restrict, char ** __restrict); 104103766Sbdelong strtol(const char * __restrict, char ** __restrict, int); 105112163Sdaslong double 106112163Sdas strtold(const char * __restrict, char ** __restrict); 1071539Srgrimesunsigned long 108103012Stjr strtoul(const char * __restrict, char ** __restrict, int); 10993032Simpint system(const char *); 11093032Simpint wctomb(char *, wchar_t); 111103012Stjrsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 1121539Srgrimes 113103728Swollman/* 114103728Swollman * Functions added in C99 which we make conditionally available in the 115103728Swollman * BSD^C89 namespace if the compiler supports `long long'. 116103728Swollman * The #if test is more complicated than it ought to be because 117103728Swollman * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 118103728Swollman * is not supported in the compilation environment (which therefore means 119103728Swollman * that it can't really be ISO C99). 120103728Swollman * 121103728Swollman * (The only other extension made by C99 in thie header is _Exit().) 122103728Swollman */ 123103728Swollman#if __ISO_C_VISIBLE >= 1999 124103728Swollman#ifdef __LONG_LONG_SUPPORTED 125103728Swollman/* LONGLONG */ 126103728Swollmantypedef struct { 127103728Swollman long long quot; 128103728Swollman long long rem; 129103728Swollman} lldiv_t; 13069201Sphk 131103728Swollman/* LONGLONG */ 132103728Swollmanlong long 133103728Swollman atoll(const char *); 134103728Swollman/* LONGLONG */ 135103728Swollmanlong long 136103728Swollman llabs(long long) __pure2; 137103728Swollman/* LONGLONG */ 138103728Swollmanlldiv_t lldiv(long long, long long) __pure2; 139103728Swollman/* LONGLONG */ 140103766Sbdelong long 141103766Sbde strtoll(const char * __restrict, char ** __restrict, int); 142103728Swollman/* LONGLONG */ 143103728Swollmanunsigned long long 144103766Sbde strtoull(const char * __restrict, char ** __restrict, int); 145103728Swollman#endif /* __LONG_LONG_SUPPORTED */ 146103728Swollman 147103766Sbdevoid _Exit(int) __dead2; 148103728Swollman#endif /* __ISO_C_VISIBLE >= 1999 */ 149103728Swollman 150103728Swollman/* 151103728Swollman * Extensions made by POSIX relative to C. We don't know yet which edition 152103728Swollman * of POSIX made these extensions, so assume they've always been there until 153103728Swollman * research can be done. 154103728Swollman */ 155103728Swollman#if __POSIX_VISIBLE /* >= ??? */ 156154250Sjasoneint posix_memalign(void **, size_t, size_t); /* (ADV) */ 157103728Swollmanint rand_r(unsigned *); /* (TSF) */ 15893032Simpint setenv(const char *, const char *, int); 159171195Sscfint unsetenv(const char *); 160103728Swollman#endif 1611539Srgrimes 162189349Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 163189349Sdasint getsubopt(char **, char *const *, char **); 164189349Sdas#ifndef _MKDTEMP_DECLARED 165189349Sdaschar *mkdtemp(char *); 166189349Sdas#define _MKDTEMP_DECLARED 167189349Sdas#endif 168189349Sdas#ifndef _MKSTEMP_DECLARED 169189349Sdasint mkstemp(char *); 170189349Sdas#define _MKSTEMP_DECLARED 171189349Sdas#endif 172189349Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 173189349Sdas 174103728Swollman/* 175103728Swollman * The only changes to the XSI namespace in revision 6 were the deletion 176103728Swollman * of the ttyslot() and valloc() functions, which FreeBSD never declared 177103728Swollman * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 178103728Swollman * FreeBSD also does not have, and mktemp(), are to be deleted. 179103728Swollman */ 180103728Swollman#if __XSI_VISIBLE 181103728Swollman/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 182153707Strhodeslong a64l(const char *); 18393032Simpdouble drand48(void); 184103766Sbde/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 18593032Simpdouble erand48(unsigned short[3]); 186103766Sbde/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 187103766Sbde/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 188108574Sjmallettint grantpt(int); 189103728Swollmanchar *initstate(unsigned long /* XSI requires u_int */, char *, long); 19093032Simplong jrand48(unsigned short[3]); 191153707Strhodeschar *l64a(long); 19293032Simpvoid lcong48(unsigned short[7]); 19393032Simplong lrand48(void); 194189782Sdas#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 195103728Swollmanchar *mktemp(char *); 196103766Sbde#define _MKTEMP_DECLARED 197103728Swollman#endif 19893032Simplong mrand48(void); 19993032Simplong nrand48(unsigned short[3]); 200108574Sjmallettint posix_openpt(int); 201108574Sjmallettchar *ptsname(int); 202171195Sscfint putenv(char *); 203103728Swollmanlong random(void); 204103728Swollmanchar *realpath(const char *, char resolved_path[]); 2057865Sbdeunsigned short 20693032Simp *seed48(unsigned short[3]); 207103728Swollman#ifndef _SETKEY_DECLARED 208103728Swollmanint setkey(const char *); 209103728Swollman#define _SETKEY_DECLARED 210103728Swollman#endif 211103728Swollmanchar *setstate(/* const */ char *); 21293032Simpvoid srand48(long); 213103728Swollmanvoid srandom(unsigned long); 214108574Sjmallettint unlockpt(int); 215103728Swollman#endif /* __XSI_VISIBLE */ 2164749Sats 217103728Swollman#if __BSD_VISIBLE 218103728Swollmanextern const char *_malloc_options; 219103766Sbdeextern void (*_malloc_message)(const char *, const char *, const char *, 220103766Sbde const char *); 221103728Swollman 222116397Sdes/* 223116397Sdes * The alloca() function can't be implemented in C, and on some 224116397Sdes * platforms it can't be implemented at all as a callable function. 225116397Sdes * The GNU C compiler provides a built-in alloca() which we can use; 226116397Sdes * in all other cases, provide a prototype, mainly to pacify various 227116397Sdes * incarnations of lint. On platforms where alloca() is not in libc, 228116397Sdes * programs which use it will fail to link when compiled with non-GNU 229116397Sdes * compilers. 230116397Sdes */ 231116831Sobrien#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 232116831Sobrien#undef alloca /* some GNU bits try to get cute and define this on their own */ 233116397Sdes#define alloca(sz) __builtin_alloca(sz) 234116831Sobrien#elif defined(lint) 235116831Sobrienvoid *alloca(size_t); 236116397Sdes#endif 237116397Sdes 238189820Sdasvoid abort2(const char *, int, void **) __dead2; 23941927Sdt__uint32_t 24093032Simp arc4random(void); 241180658Sachevoid arc4random_addrandom(unsigned char *, int); 242180658Sachevoid arc4random_buf(void *, size_t); 24393032Simpvoid arc4random_stir(void); 244180689Sache__uint32_t 245180689Sache arc4random_uniform(__uint32_t); 246108445Sobrienchar *getbsize(int *, long *); 247103728Swollman /* getcap(3) functions */ 24893032Simpchar *cgetcap(char *, const char *, int); 24993032Simpint cgetclose(void); 25093032Simpint cgetent(char **, char **, const char *); 25193032Simpint cgetfirst(char **, char **); 25293032Simpint cgetmatch(const char *, const char *); 25393032Simpint cgetnext(char **, char **); 25493032Simpint cgetnum(char *, const char *, long *); 25593032Simpint cgetset(const char *); 25693032Simpint cgetstr(char *, const char *, char **); 25793032Simpint cgetustr(char *, const char *, char **); 2581539Srgrimes 25993032Simpint daemon(int, int); 260150052Sstefanfchar *devname(__dev_t, __mode_t); 261150052Sstefanfchar *devname_r(__dev_t, __mode_t, char *, int); 262188497Sedchar *fdevname(int); 263188497Sedchar *fdevname_r(int, char *, int); 26493032Simpint getloadavg(double [], int); 26588399Smike__const char * 26693032Simp getprogname(void); 2671539Srgrimes 26893032Simpint heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 269153707Strhodesint l64a_r(long, char *, int); 27093032Simpint mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 271103164Swollmanvoid qsort_r(void *, size_t, size_t, void *, 272103164Swollman int (*)(void *, const void *, const void *)); 27393032Simpint radixsort(const unsigned char **, int, const unsigned char *, 27493032Simp unsigned); 27593032Simpvoid *reallocf(void *, size_t); 276139922Stjrint rpmatch(const char *); 27793032Simpvoid setprogname(const char *); 278103164Swollmanint sradixsort(const unsigned char **, int, const unsigned char *, 279103164Swollman unsigned); 28093032Simpvoid sranddev(void); 28193032Simpvoid srandomdev(void); 282156707Sandrelong long 283156707Sandre strtonum(const char *, long long, long long, const char **); 284103728Swollman 285103728Swollman/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 286103766Sbde__int64_t 287103766Sbde strtoq(const char *, char **, int); 28841927Sdt__uint64_t 28993032Simp strtouq(const char *, char **, int); 290126136Sache 291126136Sacheextern char *suboptarg; /* getsubopt(3) external variable */ 292103728Swollman#endif /* __BSD_VISIBLE */ 2931539Srgrimes__END_DECLS 2941539Srgrimes 2957865Sbde#endif /* !_STDLIB_H_ */ 296