30 return gRT->SetVariable (
UINTN EfiDevicePathInstanceCount(IN EFI_DEVICE_PATH_PROTOCOL *DevicePath)
UINT16 * EfiLibStrFromDatahub(IN EFI_DEVICE_PATH_PROTOCOL *DevPath)
EFI_STATUS EfiLibDeleteVariable(IN CHAR16 *VarName, IN EFI_GUID *VarGuid)
EFI_DEVICE_PATH_PROTOCOL *EFIAPI GetNextDevicePathInstance(IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath, OUT UINTN *Size)
EFI_RUNTIME_SERVICES * gRT