1 /* $OpenBSD: stdlib.h,v 1.50 2012/06/01 01:01:57 guenther 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 #elif defined(__cplusplus) 84 #define NULL 0L 85 #else 86 #define NULL ((void *)0) 87 #endif 88 #endif 89 90 #define EXIT_FAILURE 1 91 #define EXIT_SUCCESS 0 92 93 #define RAND_MAX 0x7fffffff 94 95 extern size_t __mb_cur_max; 96 #define MB_CUR_MAX __mb_cur_max 97 98 #include <sys/cdefs.h> 99 100 /* 101 * Some header files may define an abs macro. 102 * If defined, undef it to prevent a syntax error and issue a warning. 103 */ 104 #ifdef abs 105 #undef abs 106 #warning abs macro collides with abs() prototype, undefining 107 #endif 108 109 __BEGIN_DECLS 110 __dead void abort(void); 111 int abs(int); 112 int atexit(void (*)(void)); 113 double atof(const char *); 114 int atoi(const char *); 115 long atol(const char *); 116 void *bsearch(const void *, const void *, size_t, size_t, 117 int (*)(const void *, const void *)); 118 void *calloc(size_t, size_t); 119 div_t div(int, int); 120 __dead void exit(int); 121 __dead void _Exit(int); 122 void free(void *); 123 char *getenv(const char *); 124 long labs(long); 125 ldiv_t ldiv(long, long); 126 void *malloc(size_t); 127 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 128 int rand(void); 129 void *realloc(void *, size_t); 130 void srand(unsigned); 131 double strtod(const char *, char **); 132 float strtof(const char *, char **); 133 long strtol(const char *, char **, int); 134 long double 135 strtold(const char *, char **); 136 unsigned long 137 strtoul(const char *, char **, int); 138 int system(const char *); 139 140 /* these are currently just stubs */ 141 int mblen(const char *, size_t); 142 size_t mbstowcs(wchar_t *, const char *, size_t); 143 int wctomb(char *, wchar_t); 144 int mbtowc(wchar_t *, const char *, size_t); 145 size_t wcstombs(char *, const wchar_t *, size_t); 146 147 /* 148 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 149 */ 150 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT) 151 int rand_r(unsigned int *); 152 #endif 153 154 #if __BSD_VISIBLE || __XPG_VISIBLE >= 400 155 double drand48(void); 156 double erand48(unsigned short[3]); 157 long jrand48(unsigned short[3]); 158 void lcong48(unsigned short[7]); 159 long lrand48(void); 160 long mrand48(void); 161 long nrand48(unsigned short[3]); 162 unsigned short *seed48(unsigned short[3]); 163 void srand48(long); 164 165 int putenv(char *); 166 #endif 167 168 /* 169 * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and 170 * removed in IEEE Std 1003.1-2008 171 */ 172 #if __BSD_VISIBLE || __XPG_VISIBLE < 700 173 char *ecvt(double, int, int *, int *); 174 char *fcvt(double, int, int *, int *); 175 char *gcvt(double, int, char *); 176 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 177 char *mktemp(char *); 178 #endif 179 #endif /* __BSD_VISIBLE || __XPG_VISIBLE < 700 */ 180 181 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 182 long a64l(const char *); 183 char *l64a(long); 184 185 char *initstate(unsigned int, char *, size_t) 186 __attribute__((__bounded__ (__string__,2,3))); 187 long random(void); 188 char *setstate(char *); 189 void srandom(unsigned int); 190 191 char *realpath(const char *, char *); 192 193 int setkey(const char *); 194 195 /* 196 * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001 197 */ 198 #if __BSD_VISIBLE || __XPG_VISIBLE < 600 199 int ttyslot(void); 200 void *valloc(size_t); /* obsoleted by malloc() */ 201 #endif 202 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 203 204 /* 205 * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008 206 */ 207 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809 208 int mkstemp(char *); 209 #endif 210 211 /* 212 * ISO C99 213 */ 214 #if __ISO_C_VISIBLE >= 1999 215 long long 216 atoll(const char *); 217 long long 218 llabs(long long); 219 lldiv_t 220 lldiv(long long, long long); 221 long long 222 strtoll(const char *, char **, int); 223 unsigned long long 224 strtoull(const char *, char **, int); 225 #endif 226 227 /* 228 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 229 */ 230 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 231 int posix_memalign(void **, size_t, size_t); 232 int setenv(const char *, const char *, int); 233 int unsetenv(const char *); 234 #endif 235 236 /* 237 * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX) 238 */ 239 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 240 char *mkdtemp(char *); 241 #endif 242 243 #if __BSD_VISIBLE 244 void *alloca(size_t); 245 246 char *getbsize(int *, long *); 247 char *cgetcap(char *, const char *, int); 248 int cgetclose(void); 249 int cgetent(char **, char **, const char *); 250 int cgetfirst(char **, char **); 251 int cgetmatch(char *, const char *); 252 int cgetnext(char **, char **); 253 int cgetnum(char *, const char *, long *); 254 int cgetset(const char *); 255 int cgetusedb(int); 256 int cgetstr(char *, const char *, char **); 257 int cgetustr(char *, const char *, char **); 258 259 int daemon(int, int); 260 char *devname(int, mode_t); 261 int getloadavg(double [], int); 262 263 void cfree(void *); 264 265 #ifndef _GETOPT_DEFINED_ 266 #define _GETOPT_DEFINED_ 267 int getopt(int, char * const *, const char *); 268 extern char *optarg; /* getopt(3) external variables */ 269 extern int opterr, optind, optopt, optreset; 270 int getsubopt(char **, char * const *, char **); 271 extern char *suboptarg; /* getsubopt(3) external variable */ 272 #endif /* _GETOPT_DEFINED_ */ 273 274 int mkstemps(char *, int); 275 276 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 277 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 278 int radixsort(const unsigned char **, int, const unsigned char *, 279 unsigned); 280 int sradixsort(const unsigned char **, int, const unsigned char *, 281 unsigned); 282 283 void srandomdev(void); 284 long long 285 strtonum(const char *, long long, long long, const char **); 286 287 void setproctitle(const char *, ...) 288 __attribute__((__format__ (__printf__, 1, 2))); 289 290 quad_t qabs(quad_t); 291 qdiv_t qdiv(quad_t, quad_t); 292 quad_t strtoq(const char *, char **, int); 293 u_quad_t strtouq(const char *, char **, int); 294 295 u_int32_t arc4random(void); 296 void arc4random_stir(void); 297 void arc4random_addrandom(unsigned char *, int) 298 __attribute__((__bounded__ (__string__,1,2))); 299 u_int32_t arc4random_uniform(u_int32_t); 300 void arc4random_buf(void *, size_t) 301 __attribute__((__bounded__ (__string__,1,2))); 302 303 #endif /* __BSD_VISIBLE */ 304 305 __END_DECLS 306 307 #endif /* _STDLIB_H_ */ 308