include/stdlib.h

   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 1.16.2.5 2002/12/13 01:34:00 tjr 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/types.h>
  43
  44 #ifndef _SYS_STDINT_H_
  45 #include <sys/stdint.h>
  46 #endif
  47
  48 #ifndef __cplusplus
  49 #ifndef _WCHAR_T_DECLARED
  50 #define _WCHAR_T_DECLARED
  51 typedef __wchar_t       wchar_t;
  52 #endif
  53 #endif
  54
  55 #ifndef _SIZE_T_DECLARED
  56 #define _SIZE_T_DECLARED
  57 typedef __size_t        size_t;
  58 #endif
  59
  60 typedef struct {
  61         int quot;               /* quotient */
  62         int rem;                /* remainder */
  63 } div_t;
  64
  65 typedef struct {
  66         long quot;              /* quotient */
  67         long rem;               /* remainder */
  68 } ldiv_t;
  69
  70 #if __ISO_C_VISIBLE >= 1999
  71 typedef struct {
  72         long long quot;
  73         long long rem;
  74 } lldiv_t;
  75 #endif
  76
  77 #include <sys/_null.h>
  78
  79 #define EXIT_FAILURE    1
  80 #define EXIT_SUCCESS    0
  81
  82 #define RAND_MAX        0x7fffffff
  83
  84 extern int __mb_cur_max;
  85 #define MB_CUR_MAX      __mb_cur_max
  86
  87 __BEGIN_DECLS
  88 void     _Exit(int) __dead2;
  89 void     abort(void) __dead2;
  90 int      abs(int) __pure2;
  91 int      atexit(void (*)(void));
  92 double   atof(const char *);
  93 int      atoi(const char *);
  94 long     atol(const char *);
  95 void    *bsearch(const void *, const void *, size_t,
  96                  size_t, int (*)(const void *, const void *));
  97 void    *calloc(size_t, size_t);
  98 div_t    div(int, int) __pure2;
  99 void     exit(int) __dead2;
 100 void     free(void *);
 101 char    *getenv(const char *);
 102 long     labs(long) __pure2;
 103 ldiv_t   ldiv(long, long) __pure2;
 104 #if __ISO_C_VISIBLE >= 1999
 105 lldiv_t  lldiv(long long, long long) __pure2;
 106 #endif
 107 void    *malloc(size_t);
 108 void     qsort(void *, size_t, size_t, int(*)(const void *, const void *));
 109 int      rand(void);
 110 void    *realloc(void *, size_t);
 111 void     srand(unsigned);
 112 double   strtod(const char *, char **);
 113 #ifdef __LONG_LONG_SUPPORTED
 114 long long int   atoll(const char *);
 115 long long       llabs(long long) __pure2;
 116 long long       strtoll(const char *, char **, int);
 117 unsigned long long strtoull(const char *, char **, int);
 118 #endif
 119 int      system(const char *);
 120
 121 #if !defined(_KERNEL_VIRTUAL)
 122 long     strtol(const char *, char **, int);
 123 unsigned long   strtoul(const char *, char **, int);
 124 #endif
 125
 126 int      mblen(const char *, size_t);
 127 size_t   mbstowcs(wchar_t *, const char *, size_t);
 128 int      wctomb(char *, wchar_t);
 129 int      mbtowc(wchar_t *, const char *, size_t);
 130 size_t   wcstombs(char *, const wchar_t *, size_t);
 131
 132 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 133 int      putenv(const char *);
 134 int      setenv(const char *, const char *, int);
 135
 136 double   drand48(void);
 137 double   erand48(unsigned short[3]);
 138 long     jrand48(unsigned short[3]);
 139 void     lcong48(unsigned short[7]);
 140 long     lrand48(void);
 141 long     mrand48(void);
 142 long     nrand48(unsigned short[3]);
 143 unsigned short *seed48(unsigned short[3]);
 144 void     srand48(long);
 145
 146 void    *alloca(size_t);                /* built-in for gcc */
 147                                         /* getcap(3) functions */
 148 __uint32_t arc4random(void);
 149 void     arc4random_addrandom(__uint8_t *, size_t);
 150 void     arc4random_stir(void);
 151 char    *getbsize(int *, long *);
 152 char    *cgetcap(char *, char *, int);
 153 int      cgetclose(void);
 154 int      cgetent(char **, char **, char *);
 155 int      cgetfirst(char **, char **);
 156 int      cgetmatch(char *, char *);
 157 int      cgetnext(char **, char **);
 158 int      cgetnum(char *, char *, long *);
 159 int      cgetset(char *);
 160 int      cgetstr(char *, char *, char **);
 161 int      cgetustr(char *, char *, char **);
 162
 163 int      daemon(int, int);
 164 char    *devname(dev_t, mode_t);
 165 char    *devname_r(dev_t, mode_t, char *, size_t);
 166 int      getloadavg(double [], int);
 167 const char *getprogname(void);
 168
 169 char    *group_from_gid(gid_t, int);
 170 int      heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
 171 char    *initstate(unsigned long, char *, long);
 172 int      mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
 173 int      radixsort(const unsigned char **, int, const unsigned char *,
 174                    unsigned int);
 175 int      sradixsort(const unsigned char **, int, const unsigned char *,
 176                     unsigned int);
 177 int      rand_r(unsigned *);
 178 long     random(void);
 179 void    *reallocf(void *, size_t);
 180 char    *realpath(const char *, char []);
 181 void     setprogname(const char *);
 182 char    *setstate(char *);
 183 void     srandom(unsigned long);
 184 void     srandomdev(void);
 185 char    *user_from_uid(uid_t, int);
 186
 187 #if !defined(__STRICT_ANSI__) && !defined(_KERNEL_VIRTUAL)
 188 __int64_t       strtoq(const char *, char **, int);
 189 __uint64_t      strtouq(const char *, char **, int);
 190 #endif
 191
 192 #ifndef __STRICT_ANSI__
 193 #ifdef __LONG_LONG_SUPPORTED
 194 long long
 195          strtonum(const char *, long long, long long, const char **);
 196 #endif
 197 #endif
 198 void     unsetenv(const char *);
 199 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
 200 __END_DECLS
 201
 202 #endif /* !_STDLIB_H_ */