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