stdlib.h

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typedef struct {
    int quot, rem;
} div_t;

typedef struct {
    long quot, rem;
} ldiv_t;



#define size_t size_t



#define wchar_t



#define EXIT_FAILURE



#define EXIT_SUCCESS



#define MB_CUR_MAX



#define NULL    (0)



#define RAND_MAX



void abort(void);



int abs(int i);



int atexit(void(*func)(void));



double atof(const char *s);



int atoi(const char *s);



long atol(const char *s);



void *bsearch(const void *key, const void *base, size_t nelem, size_t size, int *cmp, const void *ck, const void *ce);



void *calloc(size_t nelem, size_t size);



div_t div(int numer, int denom);



void exit(int status);



void free(void *ptr);



char *getenv(const char *name);



long labs(long i);



ldiv_t ldiv(long numer, long denom);



void *malloc(size_t size);



int mblen(const char *s, size_t n);



size_t mbstowcs(wchar_t *wcs, const char *s, size_t n);



int mbtowc(wchar_t *pwc, const char *s, size_t n);



void qsort(void *base, size_t nelem, size_t size,



int rand(void);



void *realloc(void *ptr, size_t size);



void srand(unsigned int seed);



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



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




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



int system(const char *s);



int wctomb(char *s, wchar_t wchar);



size_t wcstombs(char *s, const wchar_t *wcs, size_t n);

char*   itoa(char* buf, int val, int base);

char*   utoa(char* buf, unsigned val, int base);

char*   ltoa(char* buf, long val, int base);

char*   ultoa(char* buf, unsigned long val, int base);