#define  NULL     (void*)0


typedef  unsigned char        u8_t;
typedef  unsigned short int   u16_t;
typedef  unsigned int         u32_t;
typedef  unsigned long long   u64_t;

typedef  u32_t addr_t;
typedef  u32_t pfn_t;

typedef  u32_t count_t;
typedef  u32_t size_t;
typedef  u32_t index_t;
typedef  u32_t eflags_t;
typedef  u32_t color_t;

typedef  int bool;

#define  true   (bool)1
#define  false  (bool)0