-/* EFI_STATUS
-LibScanHandleDatabase (
- EFI_HANDLE DriverBindingHandle, OPTIONAL
- UINT32 *DriverBindingHandleIndex, OPTIONAL
- EFI_HANDLE ControllerHandle, OPTIONAL
- UINT32 *ControllerHandleIndex, OPTIONAL
- UINTN *HandleCount,
- EFI_HANDLE **HandleBuffer,
- UINT32 **HandleType
- );
-#define EFI_HANDLE_TYPE_UNKNOWN 0x000
-#define EFI_HANDLE_TYPE_IMAGE_HANDLE 0x001
-#define EFI_HANDLE_TYPE_DRIVER_BINDING_HANDLE 0x002
-#define EFI_HANDLE_TYPE_DEVICE_DRIVER 0x004
-#define EFI_HANDLE_TYPE_BUS_DRIVER 0x008
-#define EFI_HANDLE_TYPE_DRIVER_CONFIGURATION_HANDLE 0x010
-#define EFI_HANDLE_TYPE_DRIVER_DIAGNOSTICS_HANDLE 0x020
-#define EFI_HANDLE_TYPE_COMPONENT_NAME_HANDLE 0x040
-#define EFI_HANDLE_TYPE_DEVICE_HANDLE 0x080
-#define EFI_HANDLE_TYPE_PARENT_HANDLE 0x100
-#define EFI_HANDLE_TYPE_CONTROLLER_HANDLE 0x200
-#define EFI_HANDLE_TYPE_CHILD_HANDLE 0x400 */