#include <stdio.h>
#include <stdint.h>

//#define ASSERT(expr)

//typedef int_least16_t _s16;
//typedef uint_least8_t _u8;
//typedef uint_least16_t _u16;
//typedef uint_least32_t _u32;

//typedef uint_fast32_t sect_t;
//typedef uint_fast32_t blk_t;