_HEAP_ENTRY_EXTRA

//0x10 bytes (sizeof) struct _HEAP_ENTRY_EXTRA { union { struct { USHORT AllocatorBackTraceIndex; //0x0 USHORT TagIndex; //0x2 ULONGLONG Settable; //0x8 }; struct { ULONGLONG ZeroInit; //0x0 ULONGLONG ZeroInit1; //0x8 }; }; };