#define PACKED __attribute__ ( packed )

#define GUID(a)

#define TYPE_EMPTY  "00000000-0000-0000-0000-000000000000"
#define TYPE_SYSTEM "C12A7328-F81F-11D2-BA4B-00A0C93EC93B"

typedef PACKED struct {
	uint8_t d[16];
} guid;

typedef PACKED struct {
	guid type;
	guid label;
	uint64_t start;
	uint64_t end;
	uint64_t flags;
#define FLAG_SYSTEM 1
	uint8_t name[72];
} GPT_entry;


typedef PACKED struct {



typedef PACKED struct {
uint8_t boot_code[440];
uint8_t uid[4];
uint8_t reserved[2];
MBR_entry entry[4];
uint8_t signature[2];
}






} MBR;