void seek(int lba)
static void seek(int lba)
void seek(int lba){	int i;	uch seek_command[4] = { c_seek, };	fsm(lba, &seek_command[1]);	for (i = 0; i < 4; i++)		type_0_command(seek_command[i], 0);	cd->dsb = wait_dsb();}