#ifndef _STDDEF_H
#define _STDDEF_H

#define NULL ((void *) 0)

typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned long uint32_t;

typedef signed char int8_t;
typedef signed short int16_t;
typedef signed long int32_t;

typedef uint16_t size_t;
typedef int16_t ssize_t;
typedef int16_t ptrdiff_t;

#define true 1
#define false 0

#endif