stdlib.h revision 232971
123353Sdfr/*- 223353Sdfr * Copyright (c) 1990, 1993 323353Sdfr * The Regents of the University of California. All rights reserved. 423353Sdfr * 523353Sdfr * Redistribution and use in source and binary forms, with or without 623353Sdfr * modification, are permitted provided that the following conditions 723353Sdfr * are met: 823353Sdfr * 1. Redistributions of source code must retain the above copyright 923353Sdfr * notice, this list of conditions and the following disclaimer. 1023353Sdfr * 2. Redistributions in binary form must reproduce the above copyright 1123353Sdfr * notice, this list of conditions and the following disclaimer in the 1223353Sdfr * documentation and/or other materials provided with the distribution. 1323353Sdfr * 3. Neither the name of the University nor the names of its contributors 1423353Sdfr * may be used to endorse or promote products derived from this software 1523353Sdfr * without specific prior written permission. 1623353Sdfr * 1723353Sdfr * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 1823353Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1923353Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2023353Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2123353Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2223353Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2323353Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2423353Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2523353Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2623353Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2723353Sdfr * SUCH DAMAGE. 2823353Sdfr * 2950476Speter * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 3023353Sdfr * $FreeBSD: head/include/stdlib.h 232971 2012-03-14 14:39:07Z theraven $ 3131370Sbde */ 32206622Suqs 3379538Sru#ifndef _STDLIB_H_ 3423353Sdfr#define _STDLIB_H_ 3523353Sdfr 3623353Sdfr#include <sys/cdefs.h> 3723353Sdfr#include <sys/_null.h> 3884306Sru#include <sys/_types.h> 3984306Sru 4084306Sru#if __BSD_VISIBLE 4123353Sdfr#ifndef _RUNE_T_DECLARED 4223353Sdfrtypedef __rune_t rune_t; 4323353Sdfr#define _RUNE_T_DECLARED 4463232Sben#endif 4523353Sdfr#endif 4623353Sdfr 4723353Sdfr#ifndef _SIZE_T_DECLARED 48115440Shmptypedef __size_t size_t; 49140931Sru#define _SIZE_T_DECLARED 50115440Shmp#endif 51140931Sru 52115440Shmp#ifndef __cplusplus 53140931Sru#ifndef _WCHAR_T_DECLARED 5423353Sdfrtypedef __wchar_t wchar_t; 5523353Sdfr#define _WCHAR_T_DECLARED 5623353Sdfr#endif 5723353Sdfr#endif 5823353Sdfr 5923353Sdfrtypedef struct { 6023353Sdfr int quot; /* quotient */ 6123353Sdfr int rem; /* remainder */ 6223353Sdfr} div_t; 6323353Sdfr 6423353Sdfrtypedef struct { 65131771Salfred long quot; 6623353Sdfr long rem; 6723353Sdfr} ldiv_t; 6823353Sdfr 6923353Sdfr#define EXIT_FAILURE 1 7023353Sdfr#define EXIT_SUCCESS 0 7123353Sdfr 7223353Sdfr#define RAND_MAX 0x7fffffff 7323353Sdfr 7423353Sdfr__BEGIN_DECLS 7523353Sdfrextern int __mb_cur_max; 7623353Sdfrextern int ___mb_cur_max(void); 7723353Sdfr#define MB_CUR_MAX (___mb_cur_max()) 7823353Sdfr 7923353Sdfr_Noreturn void abort(void); 80107788Sruint abs(int) __pure2; 8123353Sdfrint atexit(void (*)(void)); 8223353Sdfrdouble atof(const char *); 8323353Sdfrint atoi(const char *); 8423353Sdfrlong atol(const char *); 8523353Sdfrvoid *bsearch(const void *, const void *, size_t, 8623353Sdfr size_t, int (*)(const void *, const void *)); 8723353Sdfrvoid *calloc(size_t, size_t) __malloc_like; 8823353Sdfrdiv_t div(int, int) __pure2; 8923353Sdfr_Noreturn void exit(int); 9023353Sdfrvoid free(void *); 9123353Sdfrchar *getenv(const char *); 9223353Sdfrlong labs(long) __pure2; 9323353Sdfrldiv_t ldiv(long, long) __pure2; 9423353Sdfrvoid *malloc(size_t) __malloc_like; 9523353Sdfrint mblen(const char *, size_t); 9623353Sdfrsize_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 9723353Sdfrint mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 9823353Sdfrvoid qsort(void *, size_t, size_t, 9923353Sdfr int (*)(const void *, const void *)); 10023353Sdfrint rand(void); 10172126Sruvoid *realloc(void *, size_t); 10223353Sdfrvoid srand(unsigned); 10323353Sdfrdouble strtod(const char * __restrict, char ** __restrict); 10423353Sdfrfloat strtof(const char * __restrict, char ** __restrict); 10523353Sdfrlong strtol(const char * __restrict, char ** __restrict, int); 10623353Sdfrlong double 10723353Sdfr strtold(const char * __restrict, char ** __restrict); 10872126Sruunsigned long 10923353Sdfr strtoul(const char * __restrict, char ** __restrict, int); 11023353Sdfrint system(const char *); 11169052Sruint wctomb(char *, wchar_t); 11223353Sdfrsize_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 11369052Sru 11423353Sdfr/* 11523353Sdfr * Functions added in C99 which we make conditionally available in the 11623353Sdfr * BSD^C89 namespace if the compiler supports `long long'. 11772126Sru * The #if test is more complicated than it ought to be because 11823353Sdfr * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 11923353Sdfr * is not supported in the compilation environment (which therefore means 12023353Sdfr * that it can't really be ISO C99). 12123353Sdfr * 12223353Sdfr * (The only other extension made by C99 in thie header is _Exit().) 12323353Sdfr */ 12423353Sdfr#if __ISO_C_VISIBLE >= 1999 12523353Sdfr#ifdef __LONG_LONG_SUPPORTED 12623353Sdfr/* LONGLONG */ 12723353Sdfrtypedef struct { 12823353Sdfr long long quot; 12969052Sru long long rem; 13023353Sdfr} lldiv_t; 13123353Sdfr 13223353Sdfr/* LONGLONG */ 13323353Sdfrlong long 13423353Sdfr atoll(const char *); 13523353Sdfr/* LONGLONG */ 13623353Sdfrlong long 13723353Sdfr llabs(long long) __pure2; 13823353Sdfr/* LONGLONG */ 13923353Sdfrlldiv_t lldiv(long long, long long) __pure2; 14023353Sdfr/* LONGLONG */ 14123353Sdfrlong long 14223353Sdfr strtoll(const char * __restrict, char ** __restrict, int); 14323353Sdfr/* LONGLONG */ 14423353Sdfrunsigned long long 14523353Sdfr strtoull(const char * __restrict, char ** __restrict, int); 14623353Sdfr#endif /* __LONG_LONG_SUPPORTED */ 14723353Sdfr 14823353Sdfr_Noreturn void _Exit(int); 14923353Sdfr#endif /* __ISO_C_VISIBLE >= 1999 */ 15023353Sdfr 15123353Sdfr/* 15223353Sdfr * If we're in a mode greater than C99, expose C11 functions. 15323353Sdfr */ 15423353Sdfr#if __ISO_C_VISIBLE >= 2011 || __cplusplus >= 201103L 15523353Sdfrvoid * aligned_alloc(size_t, size_t); 15669052Sruint at_quick_exit(void (*)(void)); 15723353Sdfr_Noreturn void 15823353Sdfr quick_exit(int); 15923353Sdfr#endif /* __ISO_C_VISIBLE >= 2011 */ 16023467Smpp/* 16123353Sdfr * Extensions made by POSIX relative to C. We don't know yet which edition 16223353Sdfr * of POSIX made these extensions, so assume they've always been there until 16323353Sdfr * research can be done. 16423353Sdfr */ 16523353Sdfr#if __POSIX_VISIBLE /* >= ??? */ 16623353Sdfrint posix_memalign(void **, size_t, size_t); /* (ADV) */ 16723353Sdfrint rand_r(unsigned *); /* (TSF) */ 16823353Sdfrchar *realpath(const char * __restrict, char * __restrict); 16931370Sbdeint setenv(const char *, const char *, int); 170103534Struckmanint unsetenv(const char *); 17123353Sdfr#endif 172103534Struckman 17323353Sdfr#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 17423353Sdfrint getsubopt(char **, char *const *, char **); 17523353Sdfr#ifndef _MKDTEMP_DECLARED 176103534Struckmanchar *mkdtemp(char *); 17723353Sdfr#define _MKDTEMP_DECLARED 17823353Sdfr#endif 179140411Sru#ifndef _MKSTEMP_DECLARED 18023353Sdfrint mkstemp(char *); 18123353Sdfr#define _MKSTEMP_DECLARED 18229966Swosch#endif 18323353Sdfr#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 18423353Sdfr 18529966Swosch/* 18623353Sdfr * The only changes to the XSI namespace in revision 6 were the deletion 18723353Sdfr * of the ttyslot() and valloc() functions, which FreeBSD never declared 18823353Sdfr * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 18923467Smpp * FreeBSD also does not have, and mktemp(), are to be deleted. 19023467Smpp */ 19123353Sdfr#if __XSI_VISIBLE 192147647Shmp/* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 19334504Scharnierlong a64l(const char *); 19434504Scharnierdouble drand48(void); 19534504Scharnier/* char *ecvt(double, int, int * __restrict, int * __restrict); */ 196double erand48(unsigned short[3]); 197/* char *fcvt(double, int, int * __restrict, int * __restrict); */ 198/* char *gcvt(double, int, int * __restrict, int * __restrict); */ 199int grantpt(int); 200char *initstate(unsigned long /* XSI requires u_int */, char *, long); 201long jrand48(unsigned short[3]); 202char *l64a(long); 203void lcong48(unsigned short[7]); 204long lrand48(void); 205#if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 206char *mktemp(char *); 207#define _MKTEMP_DECLARED 208#endif 209long mrand48(void); 210long nrand48(unsigned short[3]); 211int posix_openpt(int); 212char *ptsname(int); 213int putenv(char *); 214long random(void); 215unsigned short 216 *seed48(unsigned short[3]); 217#ifndef _SETKEY_DECLARED 218int setkey(const char *); 219#define _SETKEY_DECLARED 220#endif 221char *setstate(/* const */ char *); 222void srand48(long); 223void srandom(unsigned long); 224int unlockpt(int); 225#endif /* __XSI_VISIBLE */ 226 227#if __BSD_VISIBLE 228extern const char *_malloc_options; 229extern void (*_malloc_message)(const char *, const char *, const char *, 230 const char *); 231 232/* 233 * The alloca() function can't be implemented in C, and on some 234 * platforms it can't be implemented at all as a callable function. 235 * The GNU C compiler provides a built-in alloca() which we can use; 236 * in all other cases, provide a prototype, mainly to pacify various 237 * incarnations of lint. On platforms where alloca() is not in libc, 238 * programs which use it will fail to link when compiled with non-GNU 239 * compilers. 240 */ 241#if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 242#undef alloca /* some GNU bits try to get cute and define this on their own */ 243#define alloca(sz) __builtin_alloca(sz) 244#elif defined(lint) 245void *alloca(size_t); 246#endif 247 248void abort2(const char *, int, void **) __dead2; 249__uint32_t 250 arc4random(void); 251void arc4random_addrandom(unsigned char *, int); 252void arc4random_buf(void *, size_t); 253void arc4random_stir(void); 254__uint32_t 255 arc4random_uniform(__uint32_t); 256char *getbsize(int *, long *); 257 /* getcap(3) functions */ 258char *cgetcap(char *, const char *, int); 259int cgetclose(void); 260int cgetent(char **, char **, const char *); 261int cgetfirst(char **, char **); 262int cgetmatch(const char *, const char *); 263int cgetnext(char **, char **); 264int cgetnum(char *, const char *, long *); 265int cgetset(const char *); 266int cgetstr(char *, const char *, char **); 267int cgetustr(char *, const char *, char **); 268 269int daemon(int, int); 270char *devname(__dev_t, __mode_t); 271char *devname_r(__dev_t, __mode_t, char *, int); 272char *fdevname(int); 273char *fdevname_r(int, char *, int); 274int getloadavg(double [], int); 275const char * 276 getprogname(void); 277 278int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 279int l64a_r(long, char *, int); 280int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 281void qsort_r(void *, size_t, size_t, void *, 282 int (*)(void *, const void *, const void *)); 283int radixsort(const unsigned char **, int, const unsigned char *, 284 unsigned); 285void *reallocf(void *, size_t); 286int rpmatch(const char *); 287void setprogname(const char *); 288int sradixsort(const unsigned char **, int, const unsigned char *, 289 unsigned); 290void sranddev(void); 291void srandomdev(void); 292long long 293 strtonum(const char *, long long, long long, const char **); 294 295/* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 296__int64_t 297 strtoq(const char *, char **, int); 298__uint64_t 299 strtouq(const char *, char **, int); 300 301extern char *suboptarg; /* getsubopt(3) external variable */ 302#endif /* __BSD_VISIBLE */ 303__END_DECLS 304 305#endif /* !_STDLIB_H_ */ 306