__int64 __fastcall AlpcpCaptureContextAttribute(__int64 a1, __int64 a2, __int64 a3, _QWORD *a4){
__int64 v5;
*(_DWORD *)(a2 + 20) = *(_DWORD *)(a3 + 264);
*(_DWORD *)(a2 + 24) = *(_DWORD *)(a3 + 272);
*(_DWORD *)(a2 + 16) = 0;
*(_QWORD *)a2 = *(_QWORD *)(a1 + 56);
v5 = *(_QWORD *)(a2 + 8);
if( (*(_DWORD *)(a1 + 416) & 6) == 4 )
*a4 = v5;
else
a4[1] = v5;
return 0i64;
}