/* Opens a new file relative to the source file's location. */
EFI_STATUS EFIAPI FileInterfaceFileOpen(IN EFI_FILE_PROTOCOL *This, OUT EFI_FILE_PROTOCOL **NewHandle, IN CHAR16 *FileName, IN UINT64 OpenMode, IN UINT64 Attributes)
/* Opens a new file relative to the source file's location. */
EFI_STATUS EFIAPI FileInterfaceFileOpen(IN EFI_FILE_PROTOCOL *This, OUT EFI_FILE_PROTOCOL **NewHandle, IN CHAR16 *FileName, IN UINT64 OpenMode, IN UINT64 Attributes)
{
  return ((EFI_FILE_PROTOCOL_FILE *)This)->Orig->Open (((EFI_FILE_PROTOCOL_FILE *)This)->Orig, NewHandle, FileName, OpenMode, Attributes);
}