struct CTMDeviceError {
    struct CTMDeviceInfo sDeviceInfo;
    int32_t              iResultCode;
    int32_t              iExtendedResultCode;
    int32_t *            piDenomination;
    int32_t *            piChangeDue;
};

[StructLayout(LayoutKind.Sequential)]
public struct CTMDeviceError
{
    public CTMDeviceInfo deviceInfo;

    [MarshalAs(UnmanagedType.I4)]
    public Int32 resultCode;

    [MarshalAs(UnmanagedType.I4)]
    public Int32 extendedResultCode;

    public ??? denomination;

    public ??? changeDue;
};