def __init__(self):
        vstruct.VStruct.__init__(self)
        self.Magic = v_uint32()
        self.Database = v_ptr32()
        self.NextSegment = v_ptr32()
        self.TotalSize = v_uint32()
        self.SegmentStart = v_ptr32()
        self.SegmentEnd = v_ptr32()
        self.SegmentFree = v_ptr32()