typedef struct _RTLP_RANGE_LIST_ENTRY { unsigned __int64 Start; unsigned __int64 End; union { struct { void *UserData; void *Owner; } Allocated; struct { LIST_ENTRY ListHead; } Merged; }; unsigned char Attributes; unsigned char PublicFlags; unsigned short PrivateFlags; LIST_ENTRY ListEntry; } RTLP_RANGE_LIST_ENTRY, *PRTLP_RANGE_LIST_ENTRY;