{
{    The purpose of this procedure is to dequeue the given channel connection
{ from the list of receiving connections.  The IN QUEUE flag is also turned
{ off.  The connection id of the next connection in the list is returned to the
{ caller.
{
{       NLP$DEQUEUE_RECEIVING_CONECTION (RECEIVING_CONNECTION,
{             NEXT_CONNECTION_ID)
{
{ RECEIVING_CONNECTION: (input)  This parameter specifies the interlayer
{       structure associated with the given channel connection.
{
{ NEXT_RECEIVING_CONNECTION: (output)  This parameter contains the identifier
{       of the next channel connection in the list.
{
