def __init__(self):
        vstruct.VStruct.__init__(self)
        self.LocalInfo = v_ptr32()
        self.UserBlocks = v_ptr32()
        self.DelayFreeList = SLIST_HEADER()
        self.AggregateExchg = INTERLOCK_SEQ()
        self.BlockSize = v_uint16()
        self.Flags = v_uint16()
        self.BlockCount = v_uint16()
        self.SizeIndex = v_uint8()
        self.AffinityIndex = v_uint8()
        self.Lock = v_uint32()
        self.SFreeListEntry = SINGLE_LIST_ENTRY()
        self._pad0028 = v_bytes(size=4)