1 /* $OpenBSD: stdlib.h,v 1.65 2015/07/14 19:05:11 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. 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 #if __BSD_VISIBLE 128 void *reallocarray(void *, size_t, size_t); 129 #endif /* __BSD_VISIBLE */ 130 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 131 int rand(void); 132 void *realloc(void *, size_t); 133 void srand(unsigned); 134 void srand_deterministic(unsigned); 135 double strtod(const char *__restrict, char **__restrict); 136 float strtof(const char *__restrict, char **__restrict); 137 long strtol(const char *__restrict, char **__restrict, int); 138 long double 139 strtold(const char *__restrict, char **__restrict); 140 unsigned long 141 strtoul(const char *__restrict, char **__restrict, int); 142 int system(const char *); 143 144 /* these are currently just stubs */ 145 int mblen(const char *, size_t); 146 size_t mbstowcs(wchar_t *, const char *, size_t); 147 int wctomb(char *, wchar_t); 148 int mbtowc(wchar_t *, const char *, size_t); 149 size_t wcstombs(char *, const wchar_t *, size_t); 150 151 /* 152 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 153 */ 154 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT) 155 int rand_r(unsigned int *); 156 #endif 157 158 #if __BSD_VISIBLE || __XPG_VISIBLE >= 400 159 double drand48(void); 160 double erand48(unsigned short[3]); 161 long jrand48(unsigned short[3]); 162 void lcong48(unsigned short[7]); 163 void lcong48_deterministic(unsigned short[7]); 164 long lrand48(void); 165 long mrand48(void); 166 long nrand48(unsigned short[3]); 167 unsigned short *seed48(unsigned short[3]); 168 unsigned short *seed48_deterministic(unsigned short[3]); 169 void srand48(long); 170 void srand48_deterministic(long); 171 172 int putenv(char *); 173 #endif 174 175 /* 176 * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and 177 * removed in IEEE Std 1003.1-2008 178 */ 179 #if __BSD_VISIBLE || __XPG_VISIBLE < 700 180 char *ecvt(double, int, int *, int *); 181 char *fcvt(double, int, int *, int *); 182 char *gcvt(double, int, char *); 183 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 184 char *mktemp(char *); 185 #endif 186 #endif /* __BSD_VISIBLE || __XPG_VISIBLE < 700 */ 187 188 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 189 long a64l(const char *); 190 char *l64a(long); 191 192 char *initstate(unsigned int, char *, size_t) 193 __attribute__((__bounded__ (__string__,2,3))); 194 long random(void); 195 char *setstate(char *); 196 void srandom(unsigned int); 197 void srandom_deterministic(unsigned int); 198 199 char *realpath(const char *, char *) 200 __attribute__((__bounded__ (__minbytes__,2,1024))); 201 202 /* 203 * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001 204 */ 205 #if __BSD_VISIBLE || __XPG_VISIBLE < 600 206 int ttyslot(void); 207 void *valloc(size_t); /* obsoleted by malloc() */ 208 #endif 209 #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */ 210 211 /* 212 * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008 213 */ 214 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809 215 int mkstemp(char *); 216 #endif 217 218 /* 219 * ISO C99 220 */ 221 #if __ISO_C_VISIBLE >= 1999 222 long long 223 atoll(const char *); 224 long long 225 llabs(long long); 226 lldiv_t 227 lldiv(long long, long long); 228 long long 229 strtoll(const char *__restrict, char **__restrict, int); 230 unsigned long long 231 strtoull(const char *__restrict, char **__restrict, int); 232 #endif 233 234 /* 235 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 236 */ 237 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 238 int posix_memalign(void **, size_t, size_t); 239 int setenv(const char *, const char *, int); 240 int unsetenv(const char *); 241 #endif 242 #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200112 243 char *ptsname(int); 244 int grantpt(int); 245 int unlockpt(int); 246 #endif 247 #if __POSIX_VISIBLE >= 200112 248 int posix_openpt(int); 249 #endif 250 251 /* 252 * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX) 253 */ 254 #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809 255 char *mkdtemp(char *); 256 #endif 257 258 #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809 259 int getsubopt(char **, char * const *, char **); 260 #endif 261 262 /* 263 * The Open Group Base Specifications, post-Issue 7 264 */ 265 #if __BSD_VISIBLE 266 int mkostemp(char *, int); 267 #endif 268 269 #if __BSD_VISIBLE 270 #define alloca(n) __builtin_alloca(n) 271 272 char *getbsize(int *, long *); 273 char *cgetcap(char *, const char *, int); 274 int cgetclose(void); 275 int cgetent(char **, char **, const char *); 276 int cgetfirst(char **, char **); 277 int cgetmatch(char *, const char *); 278 int cgetnext(char **, char **); 279 int cgetnum(char *, const char *, long *); 280 int cgetset(const char *); 281 int cgetusedb(int); 282 int cgetstr(char *, const char *, char **); 283 int cgetustr(char *, const char *, char **); 284 285 int daemon(int, int); 286 char *devname(dev_t, mode_t); 287 int getloadavg(double [], int); 288 289 const char * 290 getprogname(void); 291 void setprogname(const char *); 292 293 extern char *suboptarg; /* getsubopt(3) external variable */ 294 295 int mkstemps(char *, int); 296 int mkostemps(char *, int, int); 297 298 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 299 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 300 int radixsort(const unsigned char **, int, const unsigned char *, 301 unsigned); 302 int sradixsort(const unsigned char **, int, const unsigned char *, 303 unsigned); 304 305 void srandomdev(void); 306 long long 307 strtonum(const char *, long long, long long, const char **); 308 309 void setproctitle(const char *, ...) 310 __attribute__((__format__ (__printf__, 1, 2))); 311 312 quad_t qabs(quad_t); 313 qdiv_t qdiv(quad_t, quad_t); 314 quad_t strtoq(const char *__restrict, char **__restrict, int); 315 u_quad_t strtouq(const char *__restrict, char **__restrict, int); 316 317 uint32_t arc4random(void); 318 uint32_t arc4random_uniform(uint32_t); 319 void arc4random_buf(void *, size_t) 320 __attribute__((__bounded__ (__string__,1,2))); 321 322 #endif /* __BSD_VISIBLE */ 323 324 __END_DECLS 325 326 #endif /* _STDLIB_H_ */ 327