1 /* $OpenBSD: stdlib.h,v 1.27 2003/06/26 19:34:17 avsm 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 #include <machine/ansi.h> 38 39 #if !defined(_ANSI_SOURCE) /* for quad_t, etc. */ 40 #include <sys/types.h> 41 #endif 42 43 #ifdef _BSD_SIZE_T_ 44 typedef _BSD_SIZE_T_ size_t; 45 #undef _BSD_SIZE_T_ 46 #endif 47 48 #ifdef _BSD_WCHAR_T_ 49 /* in C++, wchar_t is a built-in type */ 50 #ifndef __cplusplus 51 typedef _BSD_WCHAR_T_ wchar_t; 52 #endif 53 #undef _BSD_WCHAR_T_ 54 #endif 55 56 typedef struct { 57 int quot; /* quotient */ 58 int rem; /* remainder */ 59 } div_t; 60 61 typedef struct { 62 long quot; /* quotient */ 63 long rem; /* remainder */ 64 } ldiv_t; 65 66 #if !defined(_ANSI_SOURCE) 67 typedef struct { 68 quad_t quot; /* quotient */ 69 quad_t rem; /* remainder */ 70 } qdiv_t; 71 #endif 72 73 74 #ifndef NULL 75 #ifdef __GNUG__ 76 #define NULL __null 77 #else 78 #define NULL 0L 79 #endif 80 #endif 81 82 #define EXIT_FAILURE 1 83 #define EXIT_SUCCESS 0 84 85 #define RAND_MAX 0x7fffffff 86 87 #define MB_CUR_MAX 1 /* XXX */ 88 89 #include <sys/cdefs.h> 90 91 /* 92 * Some header files may define an abs macro. 93 * If defined, undef it to prevent a syntax error and issue a warning. 94 */ 95 #ifdef abs 96 #undef abs 97 #warning abs macro collides with abs() prototype, undefining 98 #endif 99 100 __BEGIN_DECLS 101 __dead void abort(void); 102 int abs(int); 103 int atexit(void (*)(void)); 104 double atof(const char *); 105 int atoi(const char *); 106 long atol(const char *); 107 long long atoll(const char *); 108 void *bsearch(const void *, const void *, size_t, size_t, 109 int (*)(const void *, const void *)); 110 void *calloc(size_t, size_t); 111 div_t div(int, int); 112 char *ecvt(double, int, int *, int *); 113 __dead void exit(int); 114 char *fcvt(double, int, int *, int *); 115 void free(void *); 116 char *gcvt(double, int, char *); 117 char *getenv(const char *); 118 long labs(long); 119 ldiv_t ldiv(long, long); 120 void *malloc(size_t); 121 void qsort(void *, size_t, size_t, int (*)(const void *, const void *)); 122 int rand(void); 123 int rand_r(unsigned int *); 124 void *realloc(void *, size_t); 125 void srand(unsigned); 126 double strtod(const char *, char **); 127 long strtol(const char *, char **, int); 128 long long 129 strtoll(const char *, char **, int); 130 unsigned long 131 strtoul(const char *, char **, int); 132 unsigned long long 133 strtoull(const char *, char **, int); 134 int system(const char *); 135 136 /* these are currently just stubs */ 137 int mblen(const char *, size_t); 138 size_t mbstowcs(wchar_t *, const char *, size_t); 139 int wctomb(char *, wchar_t); 140 int mbtowc(wchar_t *, const char *, size_t); 141 size_t wcstombs(char *, const wchar_t *, size_t); 142 143 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 144 #if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2) 145 void *alloca(int); /* built-in for gcc */ 146 #else 147 void *alloca(size_t); 148 #endif /* __GNUC__ */ 149 150 char *getbsize(int *, long *); 151 char *cgetcap(char *, const char *, int); 152 int cgetclose(void); 153 int cgetent(char **, char **, const char *); 154 int cgetfirst(char **, char **); 155 int cgetmatch(char *, const char *); 156 int cgetnext(char **, char **); 157 int cgetnum(char *, const char *, long *); 158 int cgetset(const char *); 159 int cgetusedb(int); 160 int cgetstr(char *, const char *, char **); 161 int cgetustr(char *, const char *, char **); 162 163 int daemon(int, int); 164 char *devname(int, int); 165 int getloadavg(double [], int); 166 167 long a64l(const char *); 168 char *l64a(long); 169 170 void cfree(void *); 171 172 #ifndef _GETOPT_DEFINED_ 173 #define _GETOPT_DEFINED_ 174 int getopt(int, char * const *, const char *); 175 extern char *optarg; /* getopt(3) external variables */ 176 extern int opterr; 177 extern int optind; 178 extern int optopt; 179 extern int optreset; 180 int getsubopt(char **, char * const *, char **); 181 extern char *suboptarg; /* getsubopt(3) external variable */ 182 #endif /* _GETOPT_DEFINED_ */ 183 184 int heapsort(void *, size_t, size_t, int (*)(const void *, const void *)); 185 int mergesort(void *, size_t, size_t, int (*)(const void *, const void *)); 186 int radixsort(const unsigned char **, int, const unsigned char *, 187 unsigned); 188 int sradixsort(const unsigned char **, int, const unsigned char *, 189 unsigned); 190 191 char *initstate(unsigned int, char *, size_t); 192 long random(void); 193 char *realpath(const char *, char *); 194 char *setstate(const char *); 195 void srandom(unsigned int); 196 void srandomdev(void); 197 198 int putenv(const char *); 199 int setenv(const char *, const char *, int); 200 void unsetenv(const char *); 201 void setproctitle(const char *, ...) 202 __attribute__((__format__ (__printf__, 1, 2))); 203 204 quad_t qabs(quad_t); 205 qdiv_t qdiv(quad_t, quad_t); 206 quad_t strtoq(const char *, char **, int); 207 u_quad_t strtouq(const char *, char **, int); 208 209 double drand48(void); 210 double erand48(unsigned short[3]); 211 long jrand48(unsigned short[3]); 212 void lcong48(unsigned short[7]); 213 long lrand48(void); 214 long mrand48(void); 215 long nrand48(unsigned short[3]); 216 unsigned short *seed48(unsigned short[3]); 217 void srand48(long); 218 219 u_int32_t arc4random(void); 220 void arc4random_stir(void); 221 void arc4random_addrandom(unsigned char *, int); 222 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */ 223 224 __END_DECLS 225 226 #endif /* _STDLIB_H_ */ 227