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 1.21 2008/01/25 23:32:41 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 #ifndef NULL
  78 #define NULL    0
  79 #endif
  80
  81 #define EXIT_FAILURE    1
  82 #define EXIT_SUCCESS    0
  83
  84 #define RAND_MAX        0x7fffffff
  85
  86 extern int __mb_cur_max;
  87 #define MB_CUR_MAX      __mb_cur_max
  88
  89 __BEGIN_DECLS
  90 void     _Exit(int) __dead2;
  91 void     abort(void) __dead2;
  92 int      abs(int) __pure2;
  93 int      atexit(void (*)(void));
  94 double   atof(const char *);
  95 int      atoi(const char *);
  96 long     atol(const char *);
  97 void    *bsearch(const void *, const void *, size_t,
  98                  size_t, int (*)(const void *, const void *));
  99 void    *calloc(size_t, size_t);
 100 div_t    div(int, int) __pure2;
 101 void     exit(int) __dead2;
 102 void     free(void *);
 103 char    *getenv(const char *);
 104 long     labs(long) __pure2;
 105 ldiv_t   ldiv(long, long) __pure2;
 106 #if __ISO_C_VISIBLE >= 1999
 107 lldiv_t  lldiv(long long, long long) __pure2;
 108 #endif
 109 void    *malloc(size_t);
 110 void     qsort(void *, size_t, size_t, int(*)(const void *, const void *));
 111 int      rand(void);
 112 void    *realloc(void *, size_t);
 113 void     srand(unsigned);
 114 double   strtod(const char *, char **);
 115 #ifdef __LONG_LONG_SUPPORTED
 116 long long int   atoll(const char *);
 117 long long       llabs(long long) __pure2;
 118 long long       strtoll(const char *, char **, int);
 119 unsigned long long strtoull(const char *, char **, int);
 120 #endif
 121 int      system(const char *);
 122
 123 #if !defined(_KERNEL_VIRTUAL)
 124 long     strtol(const char *, char **, int);
 125 unsigned long   strtoul(const char *, char **, int);
 126 #endif
 127
 128 int      mblen(const char *, size_t);
 129 size_t   mbstowcs(wchar_t *, const char *, size_t);
 130 int      wctomb(char *, wchar_t);
 131 int      mbtowc(wchar_t *, const char *, size_t);
 132 size_t   wcstombs(char *, const wchar_t *, size_t);
 133
 134 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
 135 int      putenv(const char *);
 136 int      setenv(const char *, const char *, int);
 137
 138 double   drand48(void);
 139 double   erand48(unsigned short[3]);
 140 long     jrand48(unsigned short[3]);
 141 void     lcong48(unsigned short[7]);
 142 long     lrand48(void);
 143 long     mrand48(void);
 144 long     nrand48(unsigned short[3]);
 145 unsigned short *seed48(unsigned short[3]);
 146 void     srand48(long);
 147
 148 void    *alloca(size_t);                /* built-in for gcc */
 149                                         /* getcap(3) functions */
 150 __uint32_t arc4random(void);
 151 void     arc4random_addrandom(__uint8_t *, size_t);
 152 void     arc4random_stir(void);
 153 char    *getbsize(int *, long *);
 154 char    *cgetcap(char *, char *, int);
 155 int      cgetclose(void);
 156 int      cgetent(char **, char **, char *);
 157 int      cgetfirst(char **, char **);
 158 int      cgetmatch(char *, char *);
 159 int      cgetnext(char **, char **);
 160 int      cgetnum(char *, char *, long *);
 161 int      cgetset(char *);
 162 int      cgetstr(char *, char *, char **);
 163 int      cgetustr(char *, char *, char **);
 164
 165 int      daemon(int, int);
 166 char    *devname(dev_t, mode_t);
 167 char    *devname_r(dev_t, mode_t, char *, size_t);
 168 int      getloadavg(double [], int);
 169 const char *getprogname(void);
 170
 171 char    *group_from_gid(gid_t, int);
 172 int      heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
 173 char    *initstate(unsigned long, char *, long);
 174 int      mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
 175 int      radixsort(const unsigned char **, int, const unsigned char *,
 176                    unsigned int);
 177 int      sradixsort(const unsigned char **, int, const unsigned char *,
 178                     unsigned int);
 179 int      rand_r(unsigned *);
 180 long     random(void);
 181 void    *reallocf(void *, size_t);
 182 char    *realpath(const char *, char []);
 183 void     setprogname(const char *);
 184 char    *setstate(char *);
 185 void     srandom(unsigned long);
 186 void     srandomdev(void);
 187 char    *user_from_uid(uid_t, int);
 188
 189 #if !defined(__STRICT_ANSI__) && !defined(_KERNEL_VIRTUAL)
 190 __int64_t       strtoq(const char *, char **, int);
 191 __uint64_t      strtouq(const char *, char **, int);
 192 #endif
 193
 194 #ifndef __STRICT_ANSI__
 195 #ifdef __LONG_LONG_SUPPORTED
 196 long long
 197          strtonum(const char *, long long, long long, const char **);
 198 #endif
 199 #endif
 200 void     unsetenv(const char *);
 201 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
 202 __END_DECLS
 203
 204 #endif /* !_STDLIB_H_ */