include/stdlib.h

   1 #ifndef _STDLIB_H
   2 #define _STDLIB_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #if __cplusplus >= 201103L
  11 #define NULL nullptr
  12 #elif defined(__cplusplus)
  13 #define NULL 0L
  14 #else
  15 #define NULL ((void*)0)
  16 #endif
  17
  18 #define __NEED_size_t
  19 #define __NEED_wchar_t
  20
  21 #include <bits/alltypes.h>
  22
  23 int atoi (const char *);
  24 long atol (const char *);
  25 long long atoll (const char *);
  26 double atof (const char *);
  27
  28 float strtof (const char *__restrict, char **__restrict);
  29 double strtod (const char *__restrict, char **__restrict);
  30 long double strtold (const char *__restrict, char **__restrict);
  31
  32 long strtol (const char *__restrict, char **__restrict, int);
  33 unsigned long strtoul (const char *__restrict, char **__restrict, int);
  34 long long strtoll (const char *__restrict, char **__restrict, int);
  35 unsigned long long strtoull (const char *__restrict, char **__restrict, int);
  36
  37 int rand (void);
  38 void srand (unsigned);
  39
  40 void *malloc (size_t);
  41 void *calloc (size_t, size_t);
  42 void *realloc (void *, size_t);
  43 void free (void *);
  44 void *aligned_alloc(size_t, size_t);
  45
  46 _Noreturn void abort (void);
  47 int atexit (void (*) (void));
  48 _Noreturn void exit (int);
  49 _Noreturn void _Exit (int);
  50 int at_quick_exit (void (*) (void));
  51 _Noreturn void quick_exit (int);
  52
  53 char *getenv (const char *);
  54
  55 int system (const char *);
  56
  57 void *bsearch (const void *, const void *, size_t, size_t, int (*)(const void *, const void *));
  58 void qsort (void *, size_t, size_t, int (*)(const void *, const void *));
  59
  60 int abs (int);
  61 long labs (long);
  62 long long llabs (long long);
  63
  64 typedef struct { int quot, rem; } div_t;
  65 typedef struct { long quot, rem; } ldiv_t;
  66 typedef struct { long long quot, rem; } lldiv_t;
  67
  68 div_t div (int, int);
  69 ldiv_t ldiv (long, long);
  70 lldiv_t lldiv (long long, long long);
  71
  72 int mblen (const char *, size_t);
  73 int mbtowc (wchar_t *__restrict, const char *__restrict, size_t);
  74 int wctomb (char *, wchar_t);
  75 size_t mbstowcs (wchar_t *__restrict, const char *__restrict, size_t);
  76 size_t wcstombs (char *__restrict, const wchar_t *__restrict, size_t);
  77
  78 #define EXIT_FAILURE 1
  79 #define EXIT_SUCCESS 0
  80
  81 size_t __ctype_get_mb_cur_max(void);
  82 #define MB_CUR_MAX (__ctype_get_mb_cur_max())
  83
  84 #define RAND_MAX (0x7fffffff)
  85
  86
  87 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  88  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  89  || defined(_BSD_SOURCE)
  90
  91 #define WNOHANG    1
  92 #define WUNTRACED  2
  93
  94 #define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
  95 #define WTERMSIG(s) ((s) & 0x7f)
  96 #define WSTOPSIG(s) WEXITSTATUS(s)
  97 #define WIFEXITED(s) (!WTERMSIG(s))
  98 #define WIFSTOPPED(s) ((short)((((s)&0xffff)*0x10001U)>>8) > 0x7f00)
  99 #define WIFSIGNALED(s) (((s)&0xffff)-1U < 0xffu)
 100
 101 int posix_memalign (void **, size_t, size_t);
 102 int setenv (const char *, const char *, int);
 103 int unsetenv (const char *);
 104 int mkstemp (char *);
 105 int mkostemp (char *, int);
 106 char *mkdtemp (char *);
 107 int getsubopt (char **, char *const *, char **);
 108 int rand_r (unsigned *);
 109
 110 #endif
 111
 112
 113 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
 114  || defined(_BSD_SOURCE)
 115 char *realpath (const char *__restrict, char *__restrict);
 116 long int random (void);
 117 void srandom (unsigned int);
 118 char *initstate (unsigned int, char *, size_t);
 119 char *setstate (char *);
 120 int putenv (char *);
 121 int posix_openpt (int);
 122 int grantpt (int);
 123 int unlockpt (int);
 124 char *ptsname (int);
 125 char *l64a (long);
 126 long a64l (const char *);
 127 void setkey (const char *);
 128 double drand48 (void);
 129 double erand48 (unsigned short [3]);
 130 long int lrand48 (void);
 131 long int nrand48 (unsigned short [3]);
 132 long mrand48 (void);
 133 long jrand48 (unsigned short [3]);
 134 void srand48 (long);
 135 unsigned short *seed48 (unsigned short [3]);
 136 void lcong48 (unsigned short [7]);
 137 #endif
 138
 139 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 140 #include <alloca.h>
 141 char *mktemp (char *);
 142 int mkstemps (char *, int);
 143 int mkostemps (char *, int, int);
 144 void *valloc (size_t);
 145 void *memalign(size_t, size_t);
 146 int getloadavg(double *, int);
 147 int clearenv(void);
 148 #define WCOREDUMP(s) ((s) & 0x80)
 149 #define WIFCONTINUED(s) ((s) == 0xffff)
 150 void *reallocarray (void *, size_t, size_t);
 151 void qsort_r (void *, size_t, size_t, int (*)(const void *, const void *, void *), void *);
 152 #endif
 153
 154 #ifdef _GNU_SOURCE
 155 int ptsname_r(int, char *, size_t);
 156 char *ecvt(double, int, int *, int *);
 157 char *fcvt(double, int, int *, int *);
 158 char *gcvt(double, int, char *);
 159 char *secure_getenv(const char *);
 160 struct __locale_struct;
 161 float strtof_l(const char *__restrict, char **__restrict, struct __locale_struct *);
 162 double strtod_l(const char *__restrict, char **__restrict, struct __locale_struct *);
 163 long double strtold_l(const char *__restrict, char **__restrict, struct __locale_struct *);
 164 #endif
 165
 166 #if defined(_LARGEFILE64_SOURCE)
 167 #define mkstemp64 mkstemp
 168 #define mkostemp64 mkostemp
 169 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 170 #define mkstemps64 mkstemps
 171 #define mkostemps64 mkostemps
 172 #endif
 173 #endif
 174
 175 #ifdef __cplusplus
 176 }
 177 #endif
 178
 179 #endif