# mfsRomGetParentDir
mfsRomGetParentDir

    Format:	s32 mfsRomGetFileParentDir(MfsDirID dirID)
    	s32 mfsRamGetFileParentDir(MfsDirID dirID)
    Arguments:	dirID	Directory ID of file (directory)
    Return value:Directory ID of parent directory (a negative value is an error)
    Function:	Obtains parent directory
    Description:	This function obtains and returns the directory ID of the directory that is one level higher and to which the file (directory) specified by dirID belongs.

    Main errors:
    	MFS_ERR_NO	Normal termination
    	MFS_ERR_NOTFOUND	Specified directory not found