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 * $FreeBSD$ 35 */ 36 37 #ifndef _STDLIB_H_ 38 #define _STDLIB_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/_null.h> 42 #include <sys/_types.h> 43 44 #if __BSD_VISIBLE 45 #ifndef _RUNE_T_DECLARED 46 typedef __rune_t rune_t; 47 #define _RUNE_T_DECLARED 48 #endif 49 #endif 50 51 #ifndef _SIZE_T_DECLARED 52 typedef __size_t size_t; 53 #define _SIZE_T_DECLARED 54 #endif 55 56 #ifndef __cplusplus 57 #ifndef _WCHAR_T_DECLARED 58 typedef __wchar_t wchar_t; 59 #define _WCHAR_T_DECLARED 60 #endif 61 #endif 62 63 typedef struct { 64 int quot; /* quotient */ 65 int rem; /* remainder */ 66 } div_t; 67 68 typedef struct { 69 long quot; 70 long rem; 71 } ldiv_t; 72 73 #define EXIT_FAILURE 1 74 #define EXIT_SUCCESS 0 75 76 #define RAND_MAX 0x7fffffff 77 78 extern int __mb_cur_max; 79 #define MB_CUR_MAX __mb_cur_max 80 81 __BEGIN_DECLS 82 void abort(void) __dead2; 83 void abort2(const char *, int, void **) __dead2; 84 int abs(int) __pure2; 85 int atexit(void (*)(void)); 86 double atof(const char *); 87 int atoi(const char *); 88 long atol(const char *); 89 void *bsearch(const void *, const void *, size_t, 90 size_t, int (*)(const void *, const void *)); 91 void *calloc(size_t, size_t); 92 div_t div(int, int) __pure2; 93 void exit(int) __dead2; 94 void free(void *); 95 char *getenv(const char *); 96 long labs(long) __pure2; 97 ldiv_t ldiv(long, long) __pure2; 98 void *malloc(size_t); 99 int mblen(const char *, size_t); 100 size_t mbstowcs(wchar_t * __restrict , const char * __restrict, size_t); 101 int mbtowc(wchar_t * __restrict, const char * __restrict, size_t); 102 void qsort(void *, size_t, size_t, 103 int (*)(const void *, const void *)); 104 int rand(void); 105 void *realloc(void *, size_t); 106 void srand(unsigned); 107 double strtod(const char * __restrict, char ** __restrict); 108 float strtof(const char * __restrict, char ** __restrict); 109 long strtol(const char * __restrict, char ** __restrict, int); 110 long double 111 strtold(const char * __restrict, char ** __restrict); 112 unsigned long 113 strtoul(const char * __restrict, char ** __restrict, int); 114 int system(const char *); 115 int wctomb(char *, wchar_t); 116 size_t wcstombs(char * __restrict, const wchar_t * __restrict, size_t); 117 118 /* 119 * Functions added in C99 which we make conditionally available in the 120 * BSD^C89 namespace if the compiler supports `long long'. 121 * The #if test is more complicated than it ought to be because 122 * __BSD_VISIBLE implies __ISO_C_VISIBLE == 1999 *even if* `long long' 123 * is not supported in the compilation environment (which therefore means 124 * that it can't really be ISO C99). 125 * 126 * (The only other extension made by C99 in thie header is _Exit().) 127 */ 128 #if __ISO_C_VISIBLE >= 1999 129 #ifdef __LONG_LONG_SUPPORTED 130 /* LONGLONG */ 131 typedef struct { 132 long long quot; 133 long long rem; 134 } lldiv_t; 135 136 /* LONGLONG */ 137 long long 138 atoll(const char *); 139 /* LONGLONG */ 140 long long 141 llabs(long long) __pure2; 142 /* LONGLONG */ 143 lldiv_t lldiv(long long, long long) __pure2; 144 /* LONGLONG */ 145 long long 146 strtoll(const char * __restrict, char ** __restrict, int); 147 /* LONGLONG */ 148 unsigned long long 149 strtoull(const char * __restrict, char ** __restrict, int); 150 #endif /* __LONG_LONG_SUPPORTED */ 151 152 void _Exit(int) __dead2; 153 #endif /* __ISO_C_VISIBLE >= 1999 */ 154 155 /* 156 * Extensions made by POSIX relative to C. We don't know yet which edition 157 * of POSIX made these extensions, so assume they've always been there until 158 * research can be done. 159 */ 160 #if __POSIX_VISIBLE /* >= ??? */ 161 int posix_memalign(void **, size_t, size_t); /* (ADV) */ 162 int rand_r(unsigned *); /* (TSF) */ 163 int setenv(const char *, const char *, int); 164 int unsetenv(const char *); 165 #endif 166 167 /* 168 * The only changes to the XSI namespace in revision 6 were the deletion 169 * of the ttyslot() and valloc() functions, which FreeBSD never declared 170 * in this header. For revision 7, ecvt(), fcvt(), and gcvt(), which 171 * FreeBSD also does not have, and mktemp(), are to be deleted. 172 */ 173 #if __XSI_VISIBLE 174 /* XXX XSI requires pollution from <sys/wait.h> here. We'd rather not. */ 175 long a64l(const char *); 176 double drand48(void); 177 /* char *ecvt(double, int, int * __restrict, int * __restrict); */ 178 double erand48(unsigned short[3]); 179 /* char *fcvt(double, int, int * __restrict, int * __restrict); */ 180 /* char *gcvt(double, int, int * __restrict, int * __restrict); */ 181 int getsubopt(char **, char *const *, char **); 182 int grantpt(int); 183 char *initstate(unsigned long /* XSI requires u_int */, char *, long); 184 long jrand48(unsigned short[3]); 185 char *l64a(long); 186 void lcong48(unsigned short[7]); 187 long lrand48(void); 188 #ifndef _MKSTEMP_DECLARED 189 int mkstemp(char *); 190 #define _MKSTEMP_DECLARED 191 #endif 192 #ifndef _MKTEMP_DECLARED 193 char *mktemp(char *); 194 #define _MKTEMP_DECLARED 195 #endif 196 long mrand48(void); 197 long nrand48(unsigned short[3]); 198 int posix_openpt(int); 199 char *ptsname(int); 200 int putenv(char *); 201 long random(void); 202 char *realpath(const char *, char resolved_path[]); 203 unsigned short 204 *seed48(unsigned short[3]); 205 #ifndef _SETKEY_DECLARED 206 int setkey(const char *); 207 #define _SETKEY_DECLARED 208 #endif 209 char *setstate(/* const */ char *); 210 void srand48(long); 211 void srandom(unsigned long); 212 int unlockpt(int); 213 #endif /* __XSI_VISIBLE */ 214 215 #if __BSD_VISIBLE 216 extern const char *_malloc_options; 217 extern void (*_malloc_message)(const char *, const char *, const char *, 218 const char *); 219 220 /* 221 * The alloca() function can't be implemented in C, and on some 222 * platforms it can't be implemented at all as a callable function. 223 * The GNU C compiler provides a built-in alloca() which we can use; 224 * in all other cases, provide a prototype, mainly to pacify various 225 * incarnations of lint. On platforms where alloca() is not in libc, 226 * programs which use it will fail to link when compiled with non-GNU 227 * compilers. 228 */ 229 #if __GNUC__ >= 2 || defined(__INTEL_COMPILER) 230 #undef alloca /* some GNU bits try to get cute and define this on their own */ 231 #define alloca(sz) __builtin_alloca(sz) 232 #elif defined(lint) 233 void *alloca(size_t); 234 #endif 235 236 __uint32_t 237 arc4random(void); 238 void arc4random_addrandom(unsigned char *dat, int datlen); 239 void arc4random_stir(void); 240 char *getbsize(int *, long *); 241 /* getcap(3) functions */ 242 char *cgetcap(char *, const char *, int); 243 int cgetclose(void); 244 int cgetent(char **, char **, const char *); 245 int cgetfirst(char **, char **); 246 int cgetmatch(const char *, const char *); 247 int cgetnext(char **, char **); 248 int cgetnum(char *, const char *, long *); 249 int cgetset(const char *); 250 int cgetstr(char *, const char *, char **); 251 int cgetustr(char *, const char *, char **); 252 253 int daemon(int, int); 254 char *devname(__dev_t, __mode_t); 255 char *devname_r(__dev_t, __mode_t, char *, int); 256 int getloadavg(double [], int); 257 __const char * 258 getprogname(void); 259 260 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 261 int l64a_r(long, char *, int); 262 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 263 void qsort_r(void *, size_t, size_t, void *, 264 int (*)(void *, const void *, const void *)); 265 int radixsort(const unsigned char **, int, const unsigned char *, 266 unsigned); 267 void *reallocf(void *, size_t); 268 int rpmatch(const char *); 269 void setprogname(const char *); 270 int sradixsort(const unsigned char **, int, const unsigned char *, 271 unsigned); 272 void sranddev(void); 273 void srandomdev(void); 274 long long 275 strtonum(const char *, long long, long long, const char **); 276 277 /* Deprecated interfaces, to be removed in FreeBSD 6.0. */ 278 __int64_t 279 strtoq(const char *, char **, int); 280 __uint64_t 281 strtouq(const char *, char **, int); 282 283 extern char *suboptarg; /* getsubopt(3) external variable */ 284 #endif /* __BSD_VISIBLE */ 285 __END_DECLS 286 287 #endif /* !_STDLIB_H_ */ 288