main() { address := 0 length := 0 address += 4194304 address += 1 length = address - address length += 50 length -= 20 length *= 10 length /= 100 length = (0 + 50 - 20) * 10 / 100 length = 1 loop { print(address, length) } } print(address, length) { write(length, address, length+1) } write(fd, address, length) { syscall(1, fd, address, length) }