public static extern RTresult rtuTraversalUnmapOutput(RTUtraversal traversal, RTUoutput which);
public static extern RTresult rtuTraversalMapOutput(RTUtraversal traversal, RTUoutput which, ref IntPtr output);
public static extern RTresult rtuTraversalUnmapOutput(RTUtraversal traversal, RTUoutput which);
public static extern RTresult rtuTraversalMapOutput(RTUtraversal traversal, RTUoutput which, ref IntPtr output);