{
{    The purpose of this request is to receive incoming Channel Connection (CC)
{ PDU's.  This procedure may execute in the system input task or in a user
{ task.
{
{
{       NLP$CC_RECEIVE_EVENT (CC_PDU)
{
{  CC_PDU: (input, output)  This parameter specifies the message identifier
{        which describes the Channel Connection PDU.  The message identifier
{        also provides access to the received_message_descriptor which describes
{        input attributes specific to this message.
{
