_HEAP_VS_CHUNK_HEADER

Metadatacopy
struct _HEAP_VS_CHUNK_HEADER {
    union _HEAP_VS_CHUNK_HEADER_SIZE Sizes;/* 0x0  8 */
    union {
        struct {
            unsigned long EncodedSegmentPageOffset : 8;/* 0x8:0  4 */
            unsigned long UnusedBytes : 1;/* 0x8:8  4 */
            unsigned long Spare : 23;/* 0x8:9  4 */
        };/* 0x8  4 */
        unsigned long AllocatedChunkBits;/* 0x8  4 */
    };/* 0x8  4 */
};