_SEGMENT_HEAP_EXTRA

//0x8 bytes (sizeof) struct _SEGMENT_HEAP_EXTRA { USHORT AllocationTag; //0x0 UCHAR InterceptorIndex:4; //0x2 UCHAR UserFlags:4; //0x2 UCHAR ExtraSizeInUnits; //0x3 VOID* Settable; //0x4 };