stdlib.h revision 189782
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 189782 2009-03-14 02:31:48Z das $ 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; 83153684Sphkvoid abort2(const char *, int, void **) __dead2; 8493032Simpint abs(int) __pure2; 8593032Simpint atexit(void (*)(void)); 8693032Simpdouble atof(const char *); 8793032Simpint atoi(const char *); 8893032Simplong atol(const char *); 8993032Simpvoid *bsearch(const void *, const void *, size_t, 9093032Simp size_t, int (*)(const void *, const void *)); 91187961Sdasvoid *calloc(size_t, size_t) __malloc_like; 9293032Simpdiv_t div(int, int) __pure2; 9393032Simpvoid exit(int) __dead2; 9493032Simpvoid free(void *); 9593032Simpchar *getenv(const char *); 9693032Simplong labs(long) __pure2; 9793032Simpldiv_t ldiv(long, long) __pure2; 98187961Sdasvoid *malloc(size_t) __malloc_like; 99103728Swollmanint mblen(const char *, size_t); 100103766Sbdesize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 101103728Swollmanint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 10293032Simpvoid qsort(void *, size_t, size_t, 10393032Simp int (*)(const void *, const void *)); 10493032Simpint rand(void); 10593032Simpvoid *realloc(void *, size_t); 10693032Simpvoid srand(unsigned); 107103766Sbdedouble strtod(const char * __restrict, char ** __restrict); 108112163Sdasfloat strtof(const char * __restrict, char ** __restrict); 109103766Sbdelong strtol(const char * __restrict, char ** __restrict, int); 110112163Sdaslong double 111112163Sdas strtold(const char * __restrict, char ** __restrict); 1121539Srgrimesunsigned long 113103012Stjr strtoul(const char * __restrict, char ** __restrict, int); 11493032Simpint system(const char *); 11593032Simpint wctomb(char *, wchar_t); 116103012Stjrsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 1171539Srgrimes 118103728Swollman/* 119103728Swollman * Functions added in C99 which we make conditionally available in the 120103728Swollman * BSD^C89 namespace if the compiler supports `long long'. 121103728Swollman * The #if test is more complicated than it ought to be because 122103728Swollman * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 123103728Swollman * is not supported in the compilation environment (which therefore means 124103728Swollman * that it can't really be ISO C99). 125103728Swollman * 126103728Swollman * (The only other extension made by C99 in thie header is _Exit().) 127103728Swollman */ 128103728Swollman#if __ISO_C_VISIBLE >= 1999 129103728Swollman#ifdef __LONG_LONG_SUPPORTED 130103728Swollman/* LONGLONG */ 131103728Swollmantypedef struct { 132103728Swollman long long quot; 133103728Swollman long long rem; 134103728Swollman} lldiv_t; 13569201Sphk 136103728Swollman/* LONGLONG */ 137103728Swollmanlong long 138103728Swollman atoll(const char *); 139103728Swollman/* LONGLONG */ 140103728Swollmanlong long 141103728Swollman llabs(long long) __pure2; 142103728Swollman/* LONGLONG */ 143103728Swollmanlldiv_t lldiv(long long, long long) __pure2; 144103728Swollman/* LONGLONG */ 145103766Sbdelong long 146103766Sbde strtoll(const char * __restrict, char ** __restrict, int); 147103728Swollman/* LONGLONG */ 148103728Swollmanunsigned long long 149103766Sbde strtoull(const char * __restrict, char ** __restrict, int); 150103728Swollman#endif /* __LONG_LONG_SUPPORTED */ 151103728Swollman 152103766Sbdevoid _Exit(int) __dead2; 153103728Swollman#endif /* __ISO_C_VISIBLE >= 1999 */ 154103728Swollman 155103728Swollman/* 156103728Swollman * Extensions made by POSIX relative to C. We don't know yet which edition 157103728Swollman * of POSIX made these extensions, so assume they've always been there until 158103728Swollman * research can be done. 159103728Swollman */ 160103728Swollman#if __POSIX_VISIBLE /* >= ??? */ 161154250Sjasoneint posix_memalign(void **, size_t, size_t); /* (ADV) */ 162103728Swollmanint rand_r(unsigned *); /* (TSF) */ 16393032Simpint setenv(const char *, const char *, int); 164171195Sscfint unsetenv(const char *); 165103728Swollman#endif 1661539Srgrimes 167189349Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 168189349Sdasint getsubopt(char **, char *const *, char **); 169189349Sdas#ifndef _MKDTEMP_DECLARED 170189349Sdaschar *mkdtemp(char *); 171189349Sdas#define _MKDTEMP_DECLARED 172189349Sdas#endif 173189349Sdas#ifndef _MKSTEMP_DECLARED 174189349Sdasint mkstemp(char *); 175189349Sdas#define _MKSTEMP_DECLARED 176189349Sdas#endif 177189349Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 178189349Sdas 179103728Swollman/* 180103728Swollman * The only changes to the XSI namespace in revision 6 were the deletion 181103728Swollman * of the ttyslot() and valloc() functions, which FreeBSD never declared 182103728Swollman * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 183103728Swollman * FreeBSD also does not have, and mktemp(), are to be deleted. 184103728Swollman */ 185103728Swollman#if __XSI_VISIBLE 186103728Swollman/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 187153707Strhodeslong a64l(const char *); 18893032Simpdouble drand48(void); 189103766Sbde/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 19093032Simpdouble erand48(unsigned short[3]); 191103766Sbde/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 192103766Sbde/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 193108574Sjmallettint grantpt(int); 194103728Swollmanchar *initstate(unsigned long /* XSI requires u_int */, char *, long); 19593032Simplong jrand48(unsigned short[3]); 196153707Strhodeschar *l64a(long); 19793032Simpvoid lcong48(unsigned short[7]); 19893032Simplong lrand48(void); 199189782Sdas#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 200103728Swollmanchar *mktemp(char *); 201103766Sbde#define _MKTEMP_DECLARED 202103728Swollman#endif 20393032Simplong mrand48(void); 20493032Simplong nrand48(unsigned short[3]); 205108574Sjmallettint posix_openpt(int); 206108574Sjmallettchar *ptsname(int); 207171195Sscfint putenv(char *); 208103728Swollmanlong random(void); 209103728Swollmanchar *realpath(const char *, char resolved_path[]); 2107865Sbdeunsigned short 21193032Simp *seed48(unsigned short[3]); 212103728Swollman#ifndef _SETKEY_DECLARED 213103728Swollmanint setkey(const char *); 214103728Swollman#define _SETKEY_DECLARED 215103728Swollman#endif 216103728Swollmanchar *setstate(/* const */ char *); 21793032Simpvoid srand48(long); 218103728Swollmanvoid srandom(unsigned long); 219108574Sjmallettint unlockpt(int); 220103728Swollman#endif /* __XSI_VISIBLE */ 2214749Sats 222103728Swollman#if __BSD_VISIBLE 223103728Swollmanextern const char *_malloc_options; 224103766Sbdeextern void (*_malloc_message)(const char *, const char *, const char *, 225103766Sbde const char *); 226103728Swollman 227116397Sdes/* 228116397Sdes * The alloca() function can't be implemented in C, and on some 229116397Sdes * platforms it can't be implemented at all as a callable function. 230116397Sdes * The GNU C compiler provides a built-in alloca() which we can use; 231116397Sdes * in all other cases, provide a prototype, mainly to pacify various 232116397Sdes * incarnations of lint. On platforms where alloca() is not in libc, 233116397Sdes * programs which use it will fail to link when compiled with non-GNU 234116397Sdes * compilers. 235116397Sdes */ 236116831Sobrien#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 237116831Sobrien#undef alloca /* some GNU bits try to get cute and define this on their own */ 238116397Sdes#define alloca(sz) __builtin_alloca(sz) 239116831Sobrien#elif defined(lint) 240116831Sobrienvoid *alloca(size_t); 241116397Sdes#endif 242116397Sdes 24341927Sdt__uint32_t 24493032Simp arc4random(void); 245180658Sachevoid arc4random_addrandom(unsigned char *, int); 246180658Sachevoid arc4random_buf(void *, size_t); 24793032Simpvoid arc4random_stir(void); 248180689Sache__uint32_t 249180689Sache arc4random_uniform(__uint32_t); 250108445Sobrienchar *getbsize(int *, long *); 251103728Swollman /* getcap(3) functions */ 25293032Simpchar *cgetcap(char *, const char *, int); 25393032Simpint cgetclose(void); 25493032Simpint cgetent(char **, char **, const char *); 25593032Simpint cgetfirst(char **, char **); 25693032Simpint cgetmatch(const char *, const char *); 25793032Simpint cgetnext(char **, char **); 25893032Simpint cgetnum(char *, const char *, long *); 25993032Simpint cgetset(const char *); 26093032Simpint cgetstr(char *, const char *, char **); 26193032Simpint cgetustr(char *, const char *, char **); 2621539Srgrimes 26393032Simpint daemon(int, int); 264150052Sstefanfchar *devname(__dev_t, __mode_t); 265150052Sstefanfchar *devname_r(__dev_t, __mode_t, char *, int); 266188497Sedchar *fdevname(int); 267188497Sedchar *fdevname_r(int, char *, int); 26893032Simpint getloadavg(double [], int); 26988399Smike__const char * 27093032Simp getprogname(void); 2711539Srgrimes 27293032Simpint heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 273153707Strhodesint l64a_r(long, char *, int); 27493032Simpint mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 275103164Swollmanvoid qsort_r(void *, size_t, size_t, void *, 276103164Swollman int (*)(void *, const void *, const void *)); 27793032Simpint radixsort(const unsigned char **, int, const unsigned char *, 27893032Simp unsigned); 27993032Simpvoid *reallocf(void *, size_t); 280139922Stjrint rpmatch(const char *); 28193032Simpvoid setprogname(const char *); 282103164Swollmanint sradixsort(const unsigned char **, int, const unsigned char *, 283103164Swollman unsigned); 28493032Simpvoid sranddev(void); 28593032Simpvoid srandomdev(void); 286156707Sandrelong long 287156707Sandre strtonum(const char *, long long, long long, const char **); 288103728Swollman 289103728Swollman/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 290103766Sbde__int64_t 291103766Sbde strtoq(const char *, char **, int); 29241927Sdt__uint64_t 29393032Simp strtouq(const char *, char **, int); 294126136Sache 295126136Sacheextern char *suboptarg; /* getsubopt(3) external variable */ 296103728Swollman#endif /* __BSD_VISIBLE */ 2971539Srgrimes__END_DECLS 2981539Srgrimes 2997865Sbde#endif /* !_STDLIB_H_ */ 300