stdlib.h头文件 - C语言

C语言

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/* stdlib.h

Definitions for common types, variables, and functions.

#if __STDC__

#define _Cdecl

#else

#define _Cdecl cdecl

#endif

#if !defined(__STDLIB)

#define __STDLIB

#ifndef _SIZE_T

#define _SIZE_T

typedef unsigned size_t;

#endif

#ifndef _DIV_T

#define _DIV_T

typedef struct {

int quot;

int rem;

} div_t;

#endif

#ifndef _LDIV_T

#define _LDIV_T

typedef struct {

long quot;

long rem;

} ldiv_t;

#endif

#define EXIT_SUCCESS 0

#define EXIT_FAILURE 1

/* Maximum value returned by "rand" function

#define RAND_MAX 0x7FFF

typedef void _Cdecl (* atexit_t)(void);

void _Cdecl abort (void);

int _Cdecl abs (int x);

int _Cdecl atexit (atexit_t func);

double _Cdecl atof (const char *s);

int _Cdecl atoi (const char *s);

long _Cdecl atol (const char *s);

void *_Cdecl bsearch(const void *key, const void *base,

size_t nelem, size_t width,

int _Cdecl (*fcmp)(/* const void *, const void * */));

void *_Cdecl calloc (size_t nitems, size_t size);

div_t _Cdecl div (int numer, int denom);

void _Cdecl exit (int status);

void _Cdecl free (void *block);

char *_Cdecl getenv (const char *name);

long _Cdecl labs (long x);

ldiv_t _Cdecl ldiv (long numer, long denom);

void *_Cdecl malloc (size_t size);

void _Cdecl qsort (void *base, size_t nelem, size_t width,

int _Cdecl (*fcmp)(/* const void *, const void * */));

int _Cdecl rand (void);

void *_Cdecl realloc(void *block, size_t size);

void _Cdecl srand (unsigned seed);

double _Cdecl strtod (const char *s, char **endptr);

long _Cdecl strtol (const char *s, char **endptr, int radix);

unsigned long _Cdecl strtoul (const char *s, char **endptr, int radix);

int _Cdecl system (const char *command);

#if !__STDC__

#ifndef NULL

#if defined(__TINY__) || defined(__SMALL__) || defined(__MEDIUM__)

#define NULL 0

#else

#define NULL 0L

#endif

/* Variables */

extern int _Cdecl _doserrno;

extern char **_Cdecl environ;

extern int _Cdecl errno;

extern int _Cdecl _fmode;

extern unsigned char _Cdecl _osmajor;

extern unsigned char _Cdecl _osminor;

extern unsigned _Cdecl _psp;

extern char *_Cdecl sys_errlist[];

extern int _Cdecl sys_nerr;

extern unsigned int _Cdecl _version;

int _Cdecl __abs__(int x); /* This is an in-line function */

#define abs(x) __abs__(x)

#define atoi(s) ((int) atol (s))

#define max(a,b) (((a) > (b)) ? (a) : (b))

#define min(a,b) (((a) < (b)) ? (a) : (b))

#define random(num) (rand() % (num))

#define randomize() srand((unsigned)time(NULL))

char *_Cdecl ecvt (double value, int ndig, int *dec, int *sign);

void _Cdecl _exit (int status);

char *_Cdecl fcvt (double value, int ndig, int *dec, int *sign);

char *_Cdecl gcvt (double value, int ndec, char *buf);

char *_Cdecl itoa (int value, char *string, int radix);

void *_Cdecl lfind (const void *key, const void *base,

size_t *num, size_t width,

int _Cdecl (*fcmp)(/* const void *, const void * */));

unsigned long _Cdecl _lrotl(unsigned long val, int count);

unsigned long _Cdecl _lrotr(unsigned long val, int count);

void *_Cdecl lsearch (const void *key, void *base,

size_t *num, size_t width,

int _Cdecl (*fcmp)(/* const void *, const void * */));

char *_Cdecl ltoa (long value, char *string, int radix);

int _Cdecl putenv (const char *name);

unsigned _Cdecl _rotl (unsigned value, int count);

unsigned _Cdecl _rotr (unsigned value, int count);

void _Cdecl swab (char *from, char *to, int nbytes);

char *_Cdecl ultoa (unsigned long value, char *string, int radix);

#endif