#ifndef __STDLIB_H__
# define __STDLIB_H__

#include <stddef.h>
#include <stdint.h>

/* Dynamic memory management. */

/* Allocate SIZE bytes of memory. */
extern void *malloc(size_t __size);

/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
extern void *calloc(size_t __nmemb, size_t __size);

/*
** Re-allocate the previously allocated block in PTR, making the new block
** SIZE bytes long.
*/
extern void *realloc(void *__ptr, size_t __size);

/*
** Re-allocate the previously allocated block in PTR, making the new block large
** enough for NMEMB elements of SIZE bytes each.
*/
extern void *reallocarray(void *__ptr, size_t __nmemb, size_t __size);

/* Free a block allocated by `malloc', `realloc' or `calloc'. */
extern void free(void *__ptr);

/* Integer arithmetic functions. */

extern int abs(int __j);
#define abs(j) ({ \
	int __j = (j); \
	(__j >= 0) ? __j : -(__j); \
})

extern long int labs(long int __j);
#define labs(j) ({ \
	long int __j = (j); \
	(__j >= 0) ? __j : -(__j); \
})

extern long long int llabs(long long int __j);
#define llabs(j) ({ \
	long long int __j = (j); \
	(__j >= 0) ? __j : -(__j); \
})

typedef struct {
	int quot, rem;
} div_t;

typedef struct {
	long int quot, rem;
} ldiv_t;

typedef struct {
	long long int quot, rem;
} lldiv_t;

div_t div(int __num, int __denom);
ldiv_t ldiv(long int __num, long int __denom);
lldiv_t lldiv(long long int __num, long long int __denom);

#endif /*__STDLIB_H__*/