VOID __fastcall FsRtlLookupLastMcbEntry(_MCB *Mcb, UINT64 *Vbn, UINT64 *Lbn){
char v5;
int v6;
__int64 v7[3];
INT64 v8;
v8 = 0i64;
v7[0] = 0i64;
FsRtlLookupLastLargeMcbEntry(&Mcb->DummyFieldThatSizesThisStructureCorrectly, &v8, v7);
if( v5 )
{
*(_DWORD *)Vbn = v8;
v6 = v7[0];
if( LODWORD(v7[0]) == -1 )
v6 = 0;
*(_DWORD *)Lbn = v6;
}
}