/// located in LBA 1 (i.e., the second logical block).\r
///\r
#define PRIMARY_PART_HEADER_LBA 1\r
-\r
///\r
/// EFI Partition Table Signature: "EFI PART"\r
/// \r
-#define EFI_PTAB_HEADER_ID 0x5452415020494645ULL\r
+#define EFI_PTAB_HEADER_ID SIGNATURE_64 ('E','F','I',' ','P','A','R','T')\r
\r
#pragma pack(1)\r
\r