__int64 __fastcall CmRetrieveExtraParameter(_QWORD *a1){
__int64 result;
_QWORD *v2;
__int64 v3;
v3 = 0i64;
result = CmpFindExtraParameterInBlock(a1, &VRP_ORIGINAL_KEY_NAME_PARAMETER_GUID, &v3);
if( (int)result >= 0 )
{
*v2 = v3 + 48;
return 0i64;
}
return result;
}