+CHAR16 *FindCommaDelimited(IN CHAR16 *InString, IN UINTN Index);
+INTN FindSubString(IN CHAR16 *SmallString, IN CHAR16 *BigString);
+BOOLEAN IsIn(IN CHAR16 *SmallString, IN CHAR16 *List);
+VOID MyFreePool(IN OUT VOID *Pointer);
+
+BOOLEAN EjectMedia(VOID);
+
+CHAR16 * GuidAsString(EFI_GUID *GuidData);