#define iota __COUNTER__

#define lengthof(x) (sizeof(x) / sizeof((x)[0]))

#define bit(x) (1 << (x))

#define KB bit(10)
#define MB bit(11)
#define GB bit(12)

typedef unsigned char  u8;
typedef unsigned short u16;
typedef unsigned long long u64;
typedef u64 usize;

typedef u8 bool;
#define true  1
#define false 0