_HEAP_USERDATA_OFFSETS

Metadatacopy
struct _HEAP_USERDATA_OFFSETS {
    union {
        struct {
            unsigned short FirstAllocationOffset;/* 0x0  2 */
            unsigned short BlockStride;/* 0x2  2 */
        };/* 0x0  4 */
        unsigned long StrideAndOffset;/* 0x0  4 */
    };/* 0x0  4 */
};