1 /* $OpenBSD: stdlib.h,v 1.39 2006/09/17 16:48:04 djm 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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)stdlib.h 5.13 (Berkeley) 6/4/91 33 */ 34 35 #ifndef _STDLIB_H_ 36 #define _STDLIB_H_ 37 38 #include <sys/cdefs.h> 39 #include <machine/_types.h> 40 #if __BSD_VISIBLE /* for quad_t, etc. (XXX - use protected types) */ 41 #include <sys/types.h> 42 #endif 43 44 #ifndef _SIZE_T_DEFINED_ 45 #define _SIZE_T_DEFINED_ 46 typedef __size_t size_t; 47 #endif 48 49 /* in C++, wchar_t is a built-in type */ 50 #if !defined(_WCHAR_T_DEFINED_) && !defined(__cplusplus) 51 #define _WCHAR_T_DEFINED_ 52 typedef __wchar_t wchar_t; 53 #endif 54 55 typedef struct { 56 int quot; /* quotient */ 57 int rem; /* remainder */ 58 } div_t; 59 60 typedef struct { 61 long quot; /* quotient */ 62 long rem; /* remainder */ 63 } ldiv_t; 64 65 #if __ISO_C_VISIBLE >= 1999 66 typedef struct { 67 long long quot; /* quotient */ 68 long long rem; /* remainder */ 69 } lldiv_t; 70 #endif 71 72 #if __BSD_VISIBLE 73 typedef struct { 74 quad_t quot; /* quotient */ 75 quad_t rem; /* remainder */ 76 } qdiv_t; 77 #endif 78 79 80 #ifndef NULL 81 #ifdef __GNUG__ 82 #define NULL __null 83 #else 84 #define NULL 0L 85 #endif 86 #endif 87 88 #define EXIT_FAILURE 1 89 #define EXIT_SUCCESS 0 90 91 #define RAND_MAX 0x7fffffff 92 93 extern size_t __mb_cur_max; 94 #define MB_CUR_MAX __mb_cur_max 95 96 #include <sys/cdefs.h> 97 98 /* 99 * Some header files may define an abs macro. 100 * If defined, undef it to prevent a syntax error and issue a warning. 101 */ 102 #ifdef abs 103 #undef abs 104 #warning abs macro collides with abs() prototype, undefining 105 #endif 106 107 __BEGIN_DECLS 108 __dead void abort(void); 109 int abs(int); 110 int atexit(void (*)(void)); 111 double atof(const char *); 112 int atoi(const char *); 113 long atol(const char *); 114 void *bsearch(const void *, const void *, size_t, size_t, 115 int (*)(const void *, const void *)); 116 void *calloc(size_t, size_t); 117 div_t div(int, int); 118 char *ecvt(double, int, int *, int *); 119 __dead void exit(int); 120 __dead void _Exit(int); 121 char *fcvt(double, int, int *, int *); 122 void free(void *); 123 char *gcvt(double, int, char *); 124 char *getenv(const char *); 125 long labs(long); 126 ldiv_t ldiv(long, long); 127 void *malloc(size_t); 128 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 129 int rand(void); 130 void *realloc(void *, size_t); 131 void srand(unsigned); 132 double strtod(const char *, char **); 133 long strtol(const char *, char **, int); 134 unsigned long 135 strtoul(const char *, char **, int); 136 int system(const char *); 137 138 /* these are currently just stubs */ 139 int mblen(const char *, size_t); 140 size_t mbstowcs(wchar_t *, const char *, size_t); 141 int wctomb(char *, wchar_t); 142 int mbtowc(wchar_t *, const char *, size_t); 143 size_t wcstombs(char *, const wchar_t *, size_t); 144 145 /* 146 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 147 */ 148 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500 || \ 149 defined(_REENTRANT) 150 int rand_r(unsigned int *); 151 #endif 152 153 #if __BSD_VISIBLE || __XPG_VISIBLE >= 400 154 double drand48(void); 155 double erand48(unsigned short[3]); 156 long jrand48(unsigned short[3]); 157 void lcong48(unsigned short[7]); 158 long lrand48(void); 159 long mrand48(void); 160 long nrand48(unsigned short[3]); 161 unsigned short *seed48(unsigned short[3]); 162 void srand48(long); 163 164 int putenv(const char *); 165 #endif 166 167 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 168 long a64l(const char *); 169 char *l64a(long); 170 171 char *initstate(unsigned int, char *, size_t) 172 __attribute__((__bounded__ (__string__,2,3))); 173 long random(void); 174 char *setstate(const char *); 175 void srandom(unsigned int); 176 177 int mkstemp(char *); 178 char *mktemp(char *); 179 180 char *realpath(const char *, char *); 181 182 int setkey(const char *); 183 184 int ttyslot(void); 185 186 void *valloc(size_t); /* obsoleted by malloc() */ 187 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 188 189 /* 190 * ISO C99 191 */ 192 #if __ISO_C_VISIBLE >= 1999 193 long long 194 atoll(const char *); 195 long long 196 llabs(long long); 197 lldiv_t 198 lldiv(long long, long long); 199 long long 200 strtoll(const char *, char **, int); 201 unsigned long long 202 strtoull(const char *, char **, int); 203 #endif 204 205 /* 206 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 207 */ 208 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 600 209 int setenv(const char *, const char *, int); 210 void unsetenv(const char *); 211 #endif 212 213 #if __BSD_VISIBLE 214 #if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2) 215 void *alloca(int); /* built-in for gcc */ 216 #else 217 void *alloca(size_t); 218 #endif /* __GNUC__ */ 219 220 char *getbsize(int *, long *); 221 char *cgetcap(char *, const char *, int); 222 int cgetclose(void); 223 int cgetent(char **, char **, const char *); 224 int cgetfirst(char **, char **); 225 int cgetmatch(char *, const char *); 226 int cgetnext(char **, char **); 227 int cgetnum(char *, const char *, long *); 228 int cgetset(const char *); 229 int cgetusedb(int); 230 int cgetstr(char *, const char *, char **); 231 int cgetustr(char *, const char *, char **); 232 233 int daemon(int, int); 234 char *devname(int, mode_t); 235 int getloadavg(double [], int); 236 237 void cfree(void *); 238 239 #ifndef _GETOPT_DEFINED_ 240 #define _GETOPT_DEFINED_ 241 int getopt(int, char * const *, const char *); 242 extern char *optarg; /* getopt(3) external variables */ 243 extern int opterr, optind, optopt, optreset; 244 int getsubopt(char **, char * const *, char **); 245 extern char *suboptarg; /* getsubopt(3) external variable */ 246 #endif /* _GETOPT_DEFINED_ */ 247 248 char *mkdtemp(char *); 249 int mkstemps(char *, int); 250 251 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 252 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 253 int radixsort(const unsigned char **, int, const unsigned char *, 254 unsigned); 255 int sradixsort(const unsigned char **, int, const unsigned char *, 256 unsigned); 257 258 void srandomdev(void); 259 long long 260 strtonum(const char *, long long, long long, const char **); 261 262 void setproctitle(const char *, ...) 263 __attribute__((__format__ (__printf__, 1, 2))); 264 265 quad_t qabs(quad_t); 266 qdiv_t qdiv(quad_t, quad_t); 267 quad_t strtoq(const char *, char **, int); 268 u_quad_t strtouq(const char *, char **, int); 269 270 u_int32_t arc4random(void); 271 void arc4random_stir(void); 272 void arc4random_addrandom(unsigned char *, int) 273 __attribute__((__bounded__ (__string__,1,2))); 274 #endif /* __BSD_VISIBLE */ 275 276 __END_DECLS 277 278 #endif /* _STDLIB_H_ */ 279