extern EFI_IPv4_ADDRESS mZeroIp4Addr;
-#define NET_IS_DIGIT(Ch) (('0' <= (Ch)) && ((Ch) <= '9'))
+#define NET_IS_DIGIT(Ch) (('0' <= (Ch)) && ((Ch) <= '9'))
+#define NET_ROUNDUP(size, unit) (((size) + (unit) - 1) & (~((unit) - 1)))
+
//
// Wrap functions to ease the impact of EFI library changes.
//