1 /*- 2 * Copyright (c) 1990, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)stdlib.h 8.5 (Berkeley) 5/19/95 34 * $FreeBSD: src/include/stdlib.h,v 1.67 2008/07/22 11:40:42 ache Exp $ 35 * $DragonFly: src/include/stdlib.h,v 1.22 2008/06/05 17:53:10 swildner Exp $ 36 */ 37 38 #ifndef _STDLIB_H_ 39 #define _STDLIB_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/_null.h> 43 #include <sys/types.h> 44 45 #ifndef _SIZE_T_DECLARED 46 typedef __size_t size_t; 47 #define _SIZE_T_DECLARED 48 #endif 49 50 #ifndef __cplusplus 51 #ifndef _WCHAR_T_DECLARED 52 typedef __wchar_t wchar_t; 53 #define _WCHAR_T_DECLARED 54 #endif 55 #endif 56 57 typedef struct { 58 int quot; /* quotient */ 59 int rem; /* remainder */ 60 } div_t; 61 62 typedef struct { 63 long quot; 64 long rem; 65 } ldiv_t; 66 67 #define EXIT_FAILURE 1 68 #define EXIT_SUCCESS 0 69 70 #define RAND_MAX 0x7fffffff 71 72 extern int __mb_cur_max; 73 #define MB_CUR_MAX __mb_cur_max 74 75 __BEGIN_DECLS 76 void abort(void) __dead2; 77 /* void abort2(const char *, int, void **) __dead2; */ 78 #if !defined(_KERNEL_VIRTUAL) 79 int abs(int) __pure2; 80 #endif 81 int atexit(void (*)(void)); 82 double atof(const char *); 83 int atoi(const char *); 84 long atol(const char *); 85 void *bsearch(const void *, const void *, size_t, 86 size_t, int (*)(const void *, const void *)); 87 void *calloc(size_t, size_t); 88 div_t div(int, int) __pure2; 89 void exit(int) __dead2; 90 void free(void *); 91 char *getenv(const char *); 92 #if !defined(_KERNEL_VIRTUAL) 93 long labs(long) __pure2; 94 #endif 95 ldiv_t ldiv(long, long) __pure2; 96 void *malloc(size_t); 97 int posix_memalign(void **, size_t, size_t); 98 int mblen(const char *, size_t); 99 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 100 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 101 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 102 int rand(void); 103 void *realloc(void *, size_t); 104 void srand(unsigned); 105 double strtod(const char * __restrict, char ** __restrict); 106 float strtof(const char * __restrict, char ** __restrict); 107 #if !defined(_KERNEL_VIRTUAL) 108 long strtol(const char * __restrict, char ** __restrict, int); 109 #endif 110 long double 111 strtold(const char * __restrict, char ** __restrict); 112 #if !defined(_KERNEL_VIRTUAL) 113 unsigned long 114 strtoul(const char * __restrict, char ** __restrict, int); 115 #endif 116 int system(const char *); 117 int wctomb(char *, wchar_t); 118 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 119 120 /* 121 * Functions added in C99 which we make conditionally available in the 122 * BSD^C89 namespace if the compiler supports `long long'. 123 * The #if test is more complicated than it ought to be because 124 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 125 * is not supported in the compilation environment (which therefore means 126 * that it can't really be ISO C99). 127 * 128 * (The only other extension made by C99 in this header is _Exit().) 129 */ 130 #if __ISO_C_VISIBLE >= 1999 131 #ifdef __LONG_LONG_SUPPORTED 132 /* LONGLONG */ 133 typedef struct { 134 long long quot; 135 long long rem; 136 } lldiv_t; 137 138 /* LONGLONG */ 139 long long 140 atoll(const char *); 141 /* LONGLONG */ 142 long long 143 llabs(long long) __pure2; 144 /* LONGLONG */ 145 lldiv_t lldiv(long long, long long) __pure2; 146 /* LONGLONG */ 147 long long 148 strtoll(const char * __restrict, char ** __restrict, int); 149 /* LONGLONG */ 150 unsigned long long 151 strtoull(const char * __restrict, char ** __restrict, int); 152 #endif /* __LONG_LONG_SUPPORTED */ 153 154 void _Exit(int) __dead2; 155 #endif /* __ISO_C_VISIBLE >= 1999 */ 156 157 /* 158 * Extensions made by POSIX relative to C. We don't know yet which edition 159 * of POSIX made these extensions, so assume they've always been there until 160 * research can be done. 161 */ 162 #if __POSIX_VISIBLE /* >= ??? */ 163 /*int posix_memalign(void **, size_t, size_t); (ADV) */ 164 int rand_r(unsigned *); /* (TSF) */ 165 int setenv(const char *, const char *, int); 166 int unsetenv(const char *); 167 #endif 168 169 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 170 #ifndef _MKDTEMP_DECLARED 171 char *mkdtemp(char *); 172 #define _MKDTEMP_DECLARED 173 #endif 174 #ifndef _MKSTEMP_DECLARED 175 int mkstemp(char *); 176 #define _MKSTEMP_DECLARED 177 #endif 178 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 179 180 /* 181 * The only changes to the XSI namespace in revision 6 were the deletion 182 * of the ttyslot() and valloc() functions, which we never declared 183 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 184 * we also do not have, and mktemp(), are to be deleted. 185 */ 186 #if __XSI_VISIBLE 187 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 188 long a64l(const char *); 189 double drand48(void); 190 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 191 double erand48(unsigned short[3]); 192 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 193 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 194 int getsubopt(char **, char *const *, char **); 195 int grantpt(int); 196 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 197 long jrand48(unsigned short[3]); 198 char *l64a(long); 199 void lcong48(unsigned short[7]); 200 long lrand48(void); 201 #if !defined(_MKTEMP_DECLARED) && (__BSD_VISIBLE || __XSI_VISIBLE <= 600) 202 char *mktemp(char *); 203 #define _MKTEMP_DECLARED 204 #endif 205 long mrand48(void); 206 long nrand48(unsigned short[3]); 207 int posix_openpt(int); 208 char *ptsname(int); 209 int putenv(char *); 210 long random(void); 211 char *realpath(const char *, char resolved_path[]); 212 unsigned short 213 *seed48(unsigned short[3]); 214 int setkey(const char *); 215 char *setstate(/* const */ char *); 216 void srand48(long); 217 void srandom(unsigned long); 218 int unlockpt(int); 219 #endif /* __XSI_VISIBLE */ 220 221 #if __BSD_VISIBLE 222 /* extern const char *_malloc_options; 223 extern void (*_malloc_message)(const char *, const char *, const char *, 224 const char *); */ 225 226 /* 227 * The alloca() function can't be implemented in C, and on some 228 * platforms it can't be implemented at all as a callable function. 229 * The GNU C compiler provides a built-in alloca() which we can use; 230 * in all other cases, provide a prototype, mainly to pacify various 231 * incarnations of lint. On platforms where alloca() is not in libc, 232 * programs which use it will fail to link when compiled with non-GNU 233 * compilers. 234 */ 235 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 236 #undef alloca /* some GNU bits try to get cute and define this on their own */ 237 #define alloca(sz) __builtin_alloca(sz) 238 #elif defined(lint) 239 void *alloca(size_t); 240 #endif 241 242 __uint32_t 243 arc4random(void); 244 void arc4random_addrandom(__uint8_t *, size_t); 245 void arc4random_buf(void *, size_t); 246 void arc4random_stir(void); 247 __uint32_t 248 arc4random_uniform(__uint32_t); 249 char *getbsize(int *, long *); 250 251 /* getcap(3) functions */ 252 char *cgetcap(char *, const char *, int); 253 int cgetclose(void); 254 int cgetent(char **, char **, const char *); 255 int cgetfirst(char **, char **); 256 int cgetmatch(const char *, const char *); 257 int cgetnext(char **, char **); 258 int cgetnum(char *, const char *, long *); 259 int cgetset(const char *); 260 int cgetstr(char *, const char *, char **); 261 int cgetustr(char *, const char *, char **); 262 263 int daemon(int, int); 264 char *devname(dev_t, mode_t); 265 char *devname_r(dev_t, mode_t, char *, size_t); 266 char *fdevname(int); 267 int fdevname_r(int, char *, size_t); 268 int getloadavg(double [], int); 269 __const char * 270 getprogname(void); 271 272 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 273 int l64a_r(long, char *, int); 274 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 275 void qsort_r(void *, size_t, size_t, void *, 276 int (*)(void *, const void *, const void *)); 277 int radixsort(const unsigned char **, int, const unsigned char *, 278 unsigned int); 279 void *reallocf(void *, size_t); 280 int rpmatch(const char *); 281 void setprogname(const char *); 282 int sradixsort(const unsigned char **, int, const unsigned char *, 283 unsigned int); 284 void sranddev(void); 285 void srandomdev(void); 286 long long 287 strtonum(const char *, long long, long long, const char **); 288 289 /* Deprecated interfaces. */ 290 #if !defined(_KERNEL_VIRTUAL) 291 __int64_t 292 strtoq(const char *, char **, int); 293 __uint64_t 294 strtouq(const char *, char **, int); 295 #endif 296 297 extern char *suboptarg; /* getsubopt(3) external variable */ 298 #endif /* __BSD_VISIBLE */ 299 __END_DECLS 300 301 #endif /* !_STDLIB_H_ */ 302