stdlib.h revision 227753
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 227753 2011-11-20 14:45:42Z theraven $ 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 74227753Stheraven__BEGIN_DECLS 751539Srgrimesextern int __mb_cur_max; 76227753Stheravenextern int ___mb_cur_max(void); 77227753Stheraven#define MB_CUR_MAX (___mb_cur_max()) 781539Srgrimes 7993032Simpvoid abort(void) __dead2; 8093032Simpint abs(int) __pure2; 8193032Simpint atexit(void (*)(void)); 8293032Simpdouble atof(const char *); 8393032Simpint atoi(const char *); 8493032Simplong atol(const char *); 8593032Simpvoid *bsearch(const void *, const void *, size_t, 8693032Simp size_t, int (*)(const void *, const void *)); 87187961Sdasvoid *calloc(size_t, size_t) __malloc_like; 8893032Simpdiv_t div(int, int) __pure2; 8993032Simpvoid exit(int) __dead2; 9093032Simpvoid free(void *); 9193032Simpchar *getenv(const char *); 9293032Simplong labs(long) __pure2; 9393032Simpldiv_t ldiv(long, long) __pure2; 94187961Sdasvoid *malloc(size_t) __malloc_like; 95103728Swollmanint mblen(const char *, size_t); 96103766Sbdesize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 97103728Swollmanint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 9893032Simpvoid qsort(void *, size_t, size_t, 9993032Simp int (*)(const void *, const void *)); 10093032Simpint rand(void); 10193032Simpvoid *realloc(void *, size_t); 10293032Simpvoid srand(unsigned); 103103766Sbdedouble strtod(const char * __restrict, char ** __restrict); 104112163Sdasfloat strtof(const char * __restrict, char ** __restrict); 105103766Sbdelong strtol(const char * __restrict, char ** __restrict, int); 106112163Sdaslong double 107112163Sdas strtold(const char * __restrict, char ** __restrict); 1081539Srgrimesunsigned long 109103012Stjr strtoul(const char * __restrict, char ** __restrict, int); 11093032Simpint system(const char *); 11193032Simpint wctomb(char *, wchar_t); 112103012Stjrsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 1131539Srgrimes 114103728Swollman/* 115103728Swollman * Functions added in C99 which we make conditionally available in the 116103728Swollman * BSD^C89 namespace if the compiler supports `long long'. 117103728Swollman * The #if test is more complicated than it ought to be because 118103728Swollman * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 119103728Swollman * is not supported in the compilation environment (which therefore means 120103728Swollman * that it can't really be ISO C99). 121103728Swollman * 122103728Swollman * (The only other extension made by C99 in thie header is _Exit().) 123103728Swollman */ 124103728Swollman#if __ISO_C_VISIBLE >= 1999 125103728Swollman#ifdef __LONG_LONG_SUPPORTED 126103728Swollman/* LONGLONG */ 127103728Swollmantypedef struct { 128103728Swollman long long quot; 129103728Swollman long long rem; 130103728Swollman} lldiv_t; 13169201Sphk 132103728Swollman/* LONGLONG */ 133103728Swollmanlong long 134103728Swollman atoll(const char *); 135103728Swollman/* LONGLONG */ 136103728Swollmanlong long 137103728Swollman llabs(long long) __pure2; 138103728Swollman/* LONGLONG */ 139103728Swollmanlldiv_t lldiv(long long, long long) __pure2; 140103728Swollman/* LONGLONG */ 141103766Sbdelong long 142103766Sbde strtoll(const char * __restrict, char ** __restrict, int); 143103728Swollman/* LONGLONG */ 144103728Swollmanunsigned long long 145103766Sbde strtoull(const char * __restrict, char ** __restrict, int); 146103728Swollman#endif /* __LONG_LONG_SUPPORTED */ 147103728Swollman 148103766Sbdevoid _Exit(int) __dead2; 149103728Swollman#endif /* __ISO_C_VISIBLE >= 1999 */ 150103728Swollman 151103728Swollman/* 152103728Swollman * Extensions made by POSIX relative to C. We don't know yet which edition 153103728Swollman * of POSIX made these extensions, so assume they've always been there until 154103728Swollman * research can be done. 155103728Swollman */ 156103728Swollman#if __POSIX_VISIBLE /* >= ??? */ 157154250Sjasoneint posix_memalign(void **, size_t, size_t); /* (ADV) */ 158103728Swollmanint rand_r(unsigned *); /* (TSF) */ 159206997Skibchar *realpath(const char * __restrict, char * __restrict); 16093032Simpint setenv(const char *, const char *, int); 161171195Sscfint unsetenv(const char *); 162103728Swollman#endif 1631539Srgrimes 164189349Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 165189349Sdasint getsubopt(char **, char *const *, char **); 166189349Sdas#ifndef _MKDTEMP_DECLARED 167189349Sdaschar *mkdtemp(char *); 168189349Sdas#define _MKDTEMP_DECLARED 169189349Sdas#endif 170189349Sdas#ifndef _MKSTEMP_DECLARED 171189349Sdasint mkstemp(char *); 172189349Sdas#define _MKSTEMP_DECLARED 173189349Sdas#endif 174189349Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 175189349Sdas 176103728Swollman/* 177103728Swollman * The only changes to the XSI namespace in revision 6 were the deletion 178103728Swollman * of the ttyslot() and valloc() functions, which FreeBSD never declared 179103728Swollman * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 180103728Swollman * FreeBSD also does not have, and mktemp(), are to be deleted. 181103728Swollman */ 182103728Swollman#if __XSI_VISIBLE 183103728Swollman/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 184153707Strhodeslong a64l(const char *); 18593032Simpdouble drand48(void); 186103766Sbde/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 18793032Simpdouble erand48(unsigned short[3]); 188103766Sbde/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 189103766Sbde/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 190108574Sjmallettint grantpt(int); 191103728Swollmanchar *initstate(unsigned long /* XSI requires u_int */, char *, long); 19293032Simplong jrand48(unsigned short[3]); 193153707Strhodeschar *l64a(long); 19493032Simpvoid lcong48(unsigned short[7]); 19593032Simplong lrand48(void); 196189782Sdas#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 197103728Swollmanchar *mktemp(char *); 198103766Sbde#define _MKTEMP_DECLARED 199103728Swollman#endif 20093032Simplong mrand48(void); 20193032Simplong nrand48(unsigned short[3]); 202108574Sjmallettint posix_openpt(int); 203108574Sjmallettchar *ptsname(int); 204171195Sscfint putenv(char *); 205103728Swollmanlong random(void); 2067865Sbdeunsigned short 20793032Simp *seed48(unsigned short[3]); 208103728Swollman#ifndef _SETKEY_DECLARED 209103728Swollmanint setkey(const char *); 210103728Swollman#define _SETKEY_DECLARED 211103728Swollman#endif 212103728Swollmanchar *setstate(/* const */ char *); 21393032Simpvoid srand48(long); 214103728Swollmanvoid srandom(unsigned long); 215108574Sjmallettint unlockpt(int); 216103728Swollman#endif /* __XSI_VISIBLE */ 2174749Sats 218103728Swollman#if __BSD_VISIBLE 219103728Swollmanextern const char *_malloc_options; 220103766Sbdeextern void (*_malloc_message)(const char *, const char *, const char *, 221103766Sbde const char *); 222103728Swollman 223116397Sdes/* 224116397Sdes * The alloca() function can't be implemented in C, and on some 225116397Sdes * platforms it can't be implemented at all as a callable function. 226116397Sdes * The GNU C compiler provides a built-in alloca() which we can use; 227116397Sdes * in all other cases, provide a prototype, mainly to pacify various 228116397Sdes * incarnations of lint. On platforms where alloca() is not in libc, 229116397Sdes * programs which use it will fail to link when compiled with non-GNU 230116397Sdes * compilers. 231116397Sdes */ 232116831Sobrien#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 233116831Sobrien#undef alloca /* some GNU bits try to get cute and define this on their own */ 234116397Sdes#define alloca(sz) __builtin_alloca(sz) 235116831Sobrien#elif defined(lint) 236116831Sobrienvoid *alloca(size_t); 237116397Sdes#endif 238116397Sdes 239189820Sdasvoid abort2(const char *, int, void **) __dead2; 24041927Sdt__uint32_t 24193032Simp arc4random(void); 242180658Sachevoid arc4random_addrandom(unsigned char *, int); 243180658Sachevoid arc4random_buf(void *, size_t); 24493032Simpvoid arc4random_stir(void); 245180689Sache__uint32_t 246180689Sache arc4random_uniform(__uint32_t); 247108445Sobrienchar *getbsize(int *, long *); 248103728Swollman /* getcap(3) functions */ 24993032Simpchar *cgetcap(char *, const char *, int); 25093032Simpint cgetclose(void); 25193032Simpint cgetent(char **, char **, const char *); 25293032Simpint cgetfirst(char **, char **); 25393032Simpint cgetmatch(const char *, const char *); 25493032Simpint cgetnext(char **, char **); 25593032Simpint cgetnum(char *, const char *, long *); 25693032Simpint cgetset(const char *); 25793032Simpint cgetstr(char *, const char *, char **); 25893032Simpint cgetustr(char *, const char *, char **); 2591539Srgrimes 26093032Simpint daemon(int, int); 261150052Sstefanfchar *devname(__dev_t, __mode_t); 262150052Sstefanfchar *devname_r(__dev_t, __mode_t, char *, int); 263188497Sedchar *fdevname(int); 264188497Sedchar *fdevname_r(int, char *, int); 26593032Simpint getloadavg(double [], int); 26688399Smike__const char * 26793032Simp getprogname(void); 2681539Srgrimes 26993032Simpint heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 270153707Strhodesint l64a_r(long, char *, int); 27193032Simpint mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 272103164Swollmanvoid qsort_r(void *, size_t, size_t, void *, 273103164Swollman int (*)(void *, const void *, const void *)); 27493032Simpint radixsort(const unsigned char **, int, const unsigned char *, 27593032Simp unsigned); 27693032Simpvoid *reallocf(void *, size_t); 277139922Stjrint rpmatch(const char *); 27893032Simpvoid setprogname(const char *); 279103164Swollmanint sradixsort(const unsigned char **, int, const unsigned char *, 280103164Swollman unsigned); 28193032Simpvoid sranddev(void); 28293032Simpvoid srandomdev(void); 283156707Sandrelong long 284156707Sandre strtonum(const char *, long long, long long, const char **); 285103728Swollman 286103728Swollman/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 287103766Sbde__int64_t 288103766Sbde strtoq(const char *, char **, int); 28941927Sdt__uint64_t 29093032Simp strtouq(const char *, char **, int); 291126136Sache 292126136Sacheextern char *suboptarg; /* getsubopt(3) external variable */ 293103728Swollman#endif /* __BSD_VISIBLE */ 2941539Srgrimes__END_DECLS 2951539Srgrimes 2967865Sbde#endif /* !_STDLIB_H_ */ 297