#define U8_MAX UINT8_MAX
#define I8_MIN INT8_MIN
#define I8_MAX INT8_MAX
#define U16_MAX UINT16_MAX
#define I16_MIN INT16_MIN
#define I16_MAX INT16_MAX
#define U32_MAX UINT32_MAX
#define I32_MIN INT32_MIN
#define I32_MAX INT32_MAX
#define U64_MAX UINT64_MAX
#define I64_MIN INT64_MIN
#define I64_MAX INT64_MAX

typedef uint8_t  u8;
typedef  int8_t  i8;
typedef uint16_t u16;
typedef  int16_t i16;
typedef uint32_t u32;
typedef  int32_t i32;
typedef uint64_t u64;
typedef  int64_t i64;