stdlib.h revision 1.24
1/* $OpenBSD: stdlib.h,v 1.24 2002/12/03 20:24:29 millert Exp $ */ 2/* $NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $ */ 3 4/*- 5 * Copyright (c) 1990 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)stdlib.h 5.13 (Berkeley) 6/4/91 37 */ 38 39#ifndef _STDLIB_H_ 40#define _STDLIB_H_ 41#include <machine/ansi.h> 42 43#if !defined(_ANSI_SOURCE) /* for quad_t, etc. */ 44#include <sys/types.h> 45#endif 46 47#ifdef _BSD_SIZE_T_ 48typedef _BSD_SIZE_T_ size_t; 49#undef _BSD_SIZE_T_ 50#endif 51 52#ifdef _BSD_WCHAR_T_ 53/* in C++, wchar_t is a built-in type */ 54#ifndef __cplusplus 55typedef _BSD_WCHAR_T_ wchar_t; 56#endif 57#undef _BSD_WCHAR_T_ 58#endif 59 60typedef struct { 61 int quot; /* quotient */ 62 int rem; /* remainder */ 63} div_t; 64 65typedef struct { 66 long quot; /* quotient */ 67 long rem; /* remainder */ 68} ldiv_t; 69 70#if !defined(_ANSI_SOURCE) 71typedef struct { 72 quad_t quot; /* quotient */ 73 quad_t rem; /* remainder */ 74} qdiv_t; 75#endif 76 77 78#ifndef NULL 79#ifdef __GNUG__ 80#define NULL __null 81#else 82#define NULL 0L 83#endif 84#endif 85 86#define EXIT_FAILURE 1 87#define EXIT_SUCCESS 0 88 89#define RAND_MAX 0x7fffffff 90 91#define MB_CUR_MAX 1 /* XXX */ 92 93#include <sys/cdefs.h> 94 95/* 96 * Some header files may define an abs macro. 97 * If defined, undef it to prevent a syntax error and issue a warning. 98 */ 99#ifdef abs 100#undef abs 101#warning abs macro collides with abs() prototype, undefining 102#endif 103 104__BEGIN_DECLS 105__dead void abort(void); 106int abs(int); 107int atexit(void (*)(void)); 108double atof(const char *); 109int atoi(const char *); 110long atol(const char *); 111long long atoll(const char *); 112void *bsearch(const void *, const void *, size_t, size_t, 113 int (*)(const void *, const void *)); 114void *calloc(size_t, size_t); 115div_t div(int, int); 116char *ecvt(double, int, int *, int *); 117__dead void exit(int); 118char *fcvt(double, int, int *, int *); 119void free(void *); 120char *gcvt(double, int, char *); 121char *getenv(const char *); 122long labs(long); 123ldiv_t ldiv(long, long); 124void *malloc(size_t); 125void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 126int rand(void); 127int rand_r(unsigned int *); 128void *realloc(void *, size_t); 129void srand(unsigned); 130double strtod(const char *, char **); 131long strtol(const char *, char **, int); 132long long 133 strtoll(const char *, char **, int); 134unsigned long 135 strtoul(const char *, char **, int); 136unsigned long long 137 strtoull(const char *, char **, int); 138int system(const char *); 139 140/* these are currently just stubs */ 141int mblen(const char *, size_t); 142size_t mbstowcs(wchar_t *, const char *, size_t); 143int wctomb(char *, wchar_t); 144int mbtowc(wchar_t *, const char *, size_t); 145size_t wcstombs(char *, const wchar_t *, size_t); 146 147#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 148#if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2) 149void *alloca(int); /* built-in for gcc */ 150#else 151void *alloca(size_t); 152#endif /* __GNUC__ */ 153 154char *getbsize(int *, long *); 155char *cgetcap(char *, const char *, int); 156int cgetclose(void); 157int cgetent(char **, char **, const char *); 158int cgetfirst(char **, char **); 159int cgetmatch(char *, const char *); 160int cgetnext(char **, char **); 161int cgetnum(char *, const char *, long *); 162int cgetset(const char *); 163int cgetusedb(int); 164int cgetstr(char *, const char *, char **); 165int cgetustr(char *, const char *, char **); 166 167int daemon(int, int); 168char *devname(int, int); 169int getloadavg(double [], int); 170 171long a64l(const char *); 172char *l64a(long); 173 174void cfree(void *); 175 176#ifndef _GETOPT_DEFINED_ 177#define _GETOPT_DEFINED_ 178int getopt(int, char * const *, const char *); 179extern char *optarg; /* getopt(3) external variables */ 180extern int opterr; 181extern int optind; 182extern int optopt; 183extern int optreset; 184int getsubopt(char **, char * const *, char **); 185extern char *suboptarg; /* getsubopt(3) external variable */ 186#endif /* _GETOPT_DEFINED_ */ 187 188int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 189int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 190int radixsort(const unsigned char **, int, const unsigned char *, 191 unsigned); 192int sradixsort(const unsigned char **, int, const unsigned char *, 193 unsigned); 194 195char *initstate(unsigned int, char *, size_t); 196long random(void); 197char *realpath(const char *, char *); 198char *setstate(const char *); 199void srandom(unsigned int); 200void srandomdev(void); 201 202int putenv(const char *); 203int setenv(const char *, const char *, int); 204void unsetenv(const char *); 205void setproctitle(const char *, ...) 206 __attribute__((__format__ (__printf__, 1, 2))); 207 208quad_t qabs(quad_t); 209qdiv_t qdiv(quad_t, quad_t); 210quad_t strtoq(const char *, char **, int); 211u_quad_t strtouq(const char *, char **, int); 212 213double drand48(void); 214double erand48(unsigned short[3]); 215long jrand48(unsigned short[3]); 216void lcong48(unsigned short[7]); 217long lrand48(void); 218long mrand48(void); 219long nrand48(unsigned short[3]); 220unsigned short *seed48(unsigned short[3]); 221void srand48(long); 222 223u_int32_t arc4random(void); 224void arc4random_stir(void); 225void arc4random_addrandom(unsigned char *, int); 226#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 227 228__END_DECLS 229 230#endif /* _STDLIB_H_ */ 231