Metadatacopyunion _HEAP_PAGE_SEGMENT { struct { struct _LIST_ENTRY ListEntry;/* 0x0 8 */ unsigned long Signature;/* 0x8 4 */ union _HEAP_SEGMENT_MGR_COMMIT_STATE* SegmentCommitState;/* 0xc 4 */ unsigned char UnusedWatermark;/* 0x10 1 */ };/* 0x0 17 */ struct _HEAP_PAGE_RANGE_DESCRIPTOR DescArray[256];/* 0x0 4096 */};