INT64 __fastcall IopSetDriverFlagsExtension(INT64 a1, INT64 a2){ CHAR *IrpExtension; IrpExtension = IopAllocateIrpExtension(a1, 8i64); if( !IrpExtension ) return 3221225626i64; *((_QWORD *)IrpExtension + 7) = a2; return 0i64; }