EFI_STATUS egLoadFile(IN EFI_FILE* BaseDir, IN CHAR16 *FileName,
OUT UINT8 **FileData, OUT UINTN *FileDataLength);
+EFI_STATUS egFindESP(OUT EFI_FILE_HANDLE *RootDir);
EFI_STATUS egSaveFile(IN EFI_FILE* BaseDir OPTIONAL, IN CHAR16 *FileName,
IN UINT8 *FileData, IN UINTN FileDataLength);