-//\r
-// Define macros to build data structure signatures from characters.\r
-//\r
-#define EFI_SIGNATURE_16(A, B) ((A) | (B << 8))\r
-#define EFI_SIGNATURE_32(A, B, C, D) (EFI_SIGNATURE_16 (A, B) | (EFI_SIGNATURE_16 (C, D) << 16))\r
-#define EFI_SIGNATURE_64(A, B, C, D, E, F, G, H) \\r
- (EFI_SIGNATURE_32 (A, B, C, D) | ((UINT64) (EFI_SIGNATURE_32 (E, F, G, H)) << 32))\r
-\r