struct _HEAP_LFH_SUBSEGMENT_OWNER {
unsigned char IsBucket : 1;/* 0x0:0 1 */
unsigned char Spare0 : 7;/* 0x0:1 1 */
unsigned char BucketIndex;/* 0x1 1 */
union {
unsigned char SlotCount;/* 0x2 1 */
unsigned char SlotIndex;/* 0x2 1 */
};/* 0x2 1 */
unsigned char Spare1;/* 0x3 1 */
unsigned long AvailableSubsegmentCount;/* 0x4 4 */
unsigned long Lock;/* 0x8 4 */
};