_ZONE_HEADER

headersMetadatacopy
struct _ZONE_HEADER {
    struct _SINGLE_LIST_ENTRY FreeList;/* 0x0  4 */
    struct _SINGLE_LIST_ENTRY SegmentList;/* 0x4  4 */
    unsigned long BlockSize;/* 0x8  4 */
    unsigned long TotalSegmentSize;/* 0xc  4 */
};
/* computed from the NT 4.0 DDK headers */