stdlib.h revision 252608
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 252608 2013-07-03 21:21:54Z ache $ 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 72252608Sache#define RAND_MAX 0x7ffffffd 731539Srgrimes 74227753Stheraven__BEGIN_DECLS 75233600Stheraven#ifdef _XLOCALE_H_ 76233600Stheraven#include <xlocale/_stdlib.h> 77233600Stheraven#endif 781539Srgrimesextern int __mb_cur_max; 79227753Stheravenextern int ___mb_cur_max(void); 80227753Stheraven#define MB_CUR_MAX (___mb_cur_max()) 811539Srgrimes 82228330Stheraven_Noreturn void abort(void); 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 *)); 90187961Sdasvoid *calloc(size_t, size_t) __malloc_like; 9193032Simpdiv_t div(int, int) __pure2; 92228330Stheraven_Noreturn void exit(int); 9393032Simpvoid free(void *); 9493032Simpchar *getenv(const char *); 9593032Simplong labs(long) __pure2; 9693032Simpldiv_t ldiv(long, long) __pure2; 97187961Sdasvoid *malloc(size_t) __malloc_like; 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 151228330Stheraven_Noreturn void _Exit(int); 152103728Swollman#endif /* __ISO_C_VISIBLE >= 1999 */ 153103728Swollman 154103728Swollman/* 155229807Sed * If we're in a mode greater than C99, expose C11 functions. 156228322Stheraven */ 157232971Stheraven#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 158234370Sjasonevoid * aligned_alloc(size_t, size_t) __malloc_like; 159229807Sedint at_quick_exit(void (*)(void)); 160228901Sed_Noreturn void 161228901Sed quick_exit(int); 162228901Sed#endif /* __ISO_C_VISIBLE >= 2011 */ 163228322Stheraven/* 164103728Swollman * Extensions made by POSIX relative to C. We don't know yet which edition 165103728Swollman * of POSIX made these extensions, so assume they've always been there until 166103728Swollman * research can be done. 167103728Swollman */ 168103728Swollman#if __POSIX_VISIBLE /* >= ??? */ 169154250Sjasoneint posix_memalign(void **, size_t, size_t); /* (ADV) */ 170103728Swollmanint rand_r(unsigned *); /* (TSF) */ 171206997Skibchar *realpath(const char * __restrict, char * __restrict); 17293032Simpint setenv(const char *, const char *, int); 173171195Sscfint unsetenv(const char *); 174103728Swollman#endif 1751539Srgrimes 176189349Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 177189349Sdasint getsubopt(char **, char *const *, char **); 178189349Sdas#ifndef _MKDTEMP_DECLARED 179189349Sdaschar *mkdtemp(char *); 180189349Sdas#define _MKDTEMP_DECLARED 181189349Sdas#endif 182189349Sdas#ifndef _MKSTEMP_DECLARED 183189349Sdasint mkstemp(char *); 184189349Sdas#define _MKSTEMP_DECLARED 185189349Sdas#endif 186189349Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 187189349Sdas 188103728Swollman/* 189103728Swollman * The only changes to the XSI namespace in revision 6 were the deletion 190103728Swollman * of the ttyslot() and valloc() functions, which FreeBSD never declared 191103728Swollman * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 192103728Swollman * FreeBSD also does not have, and mktemp(), are to be deleted. 193103728Swollman */ 194103728Swollman#if __XSI_VISIBLE 195103728Swollman/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 196153707Strhodeslong a64l(const char *); 19793032Simpdouble drand48(void); 198103766Sbde/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 19993032Simpdouble erand48(unsigned short[3]); 200103766Sbde/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 201103766Sbde/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 202108574Sjmallettint grantpt(int); 203103728Swollmanchar *initstate(unsigned long /* XSI requires u_int */, char *, long); 20493032Simplong jrand48(unsigned short[3]); 205153707Strhodeschar *l64a(long); 20693032Simpvoid lcong48(unsigned short[7]); 20793032Simplong lrand48(void); 208189782Sdas#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 209103728Swollmanchar *mktemp(char *); 210103766Sbde#define _MKTEMP_DECLARED 211103728Swollman#endif 21293032Simplong mrand48(void); 21393032Simplong nrand48(unsigned short[3]); 214108574Sjmallettint posix_openpt(int); 215108574Sjmallettchar *ptsname(int); 216171195Sscfint putenv(char *); 217103728Swollmanlong random(void); 2187865Sbdeunsigned short 21993032Simp *seed48(unsigned short[3]); 220103728Swollman#ifndef _SETKEY_DECLARED 221103728Swollmanint setkey(const char *); 222103728Swollman#define _SETKEY_DECLARED 223103728Swollman#endif 224103728Swollmanchar *setstate(/* const */ char *); 22593032Simpvoid srand48(long); 226103728Swollmanvoid srandom(unsigned long); 227108574Sjmallettint unlockpt(int); 228103728Swollman#endif /* __XSI_VISIBLE */ 2294749Sats 230103728Swollman#if __BSD_VISIBLE 231234370Sjasoneextern const char *malloc_conf; 232234370Sjasoneextern void (*malloc_message)(void *, const char *); 233103728Swollman 234116397Sdes/* 235116397Sdes * The alloca() function can't be implemented in C, and on some 236116397Sdes * platforms it can't be implemented at all as a callable function. 237116397Sdes * The GNU C compiler provides a built-in alloca() which we can use; 238116397Sdes * in all other cases, provide a prototype, mainly to pacify various 239116397Sdes * incarnations of lint. On platforms where alloca() is not in libc, 240116397Sdes * programs which use it will fail to link when compiled with non-GNU 241116397Sdes * compilers. 242116397Sdes */ 243116831Sobrien#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 244116831Sobrien#undef alloca /* some GNU bits try to get cute and define this on their own */ 245116397Sdes#define alloca(sz) __builtin_alloca(sz) 246116831Sobrien#elif defined(lint) 247116831Sobrienvoid *alloca(size_t); 248116397Sdes#endif 249116397Sdes 250189820Sdasvoid abort2(const char *, int, void **) __dead2; 25141927Sdt__uint32_t 25293032Simp arc4random(void); 253180658Sachevoid arc4random_addrandom(unsigned char *, int); 254180658Sachevoid arc4random_buf(void *, size_t); 25593032Simpvoid arc4random_stir(void); 256180689Sache__uint32_t 257180689Sache arc4random_uniform(__uint32_t); 258108445Sobrienchar *getbsize(int *, long *); 259103728Swollman /* getcap(3) functions */ 26093032Simpchar *cgetcap(char *, const char *, int); 26193032Simpint cgetclose(void); 26293032Simpint cgetent(char **, char **, const char *); 26393032Simpint cgetfirst(char **, char **); 26493032Simpint cgetmatch(const char *, const char *); 26593032Simpint cgetnext(char **, char **); 26693032Simpint cgetnum(char *, const char *, long *); 26793032Simpint cgetset(const char *); 26893032Simpint cgetstr(char *, const char *, char **); 26993032Simpint cgetustr(char *, const char *, char **); 2701539Srgrimes 27193032Simpint daemon(int, int); 272150052Sstefanfchar *devname(__dev_t, __mode_t); 273150052Sstefanfchar *devname_r(__dev_t, __mode_t, char *, int); 274188497Sedchar *fdevname(int); 275188497Sedchar *fdevname_r(int, char *, int); 27693032Simpint getloadavg(double [], int); 277228468Sedconst char * 27893032Simp getprogname(void); 2791539Srgrimes 28093032Simpint heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 281153707Strhodesint l64a_r(long, char *, int); 28293032Simpint mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 283103164Swollmanvoid qsort_r(void *, size_t, size_t, void *, 284103164Swollman int (*)(void *, const void *, const void *)); 28593032Simpint radixsort(const unsigned char **, int, const unsigned char *, 28693032Simp unsigned); 28793032Simpvoid *reallocf(void *, size_t); 288139922Stjrint rpmatch(const char *); 28993032Simpvoid setprogname(const char *); 290103164Swollmanint sradixsort(const unsigned char **, int, const unsigned char *, 291103164Swollman unsigned); 29293032Simpvoid sranddev(void); 29393032Simpvoid srandomdev(void); 294156707Sandrelong long 295156707Sandre strtonum(const char *, long long, long long, const char **); 296103728Swollman 297103728Swollman/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 298103766Sbde__int64_t 299103766Sbde strtoq(const char *, char **, int); 30041927Sdt__uint64_t 30193032Simp strtouq(const char *, char **, int); 302126136Sache 303126136Sacheextern char *suboptarg; /* getsubopt(3) external variable */ 304103728Swollman#endif /* __BSD_VISIBLE */ 3051539Srgrimes__END_DECLS 3061539Srgrimes 3077865Sbde#endif /* !_STDLIB_H_ */ 308