
{
{     The purpose of this request is to gain exclusive access to a connection.
{  Assuming the connection exists, control is returned when the exclusive access
{  is acquired.
{
{      This request must be symmeterical with a subsequent release exclusive
{  access request if the connection exists.
{
{       NLP$CL_GET_EXCLUSIVE_VIA_CID (CONNECTION_ID, CONNECTION_EXISTS,
{           CL_CONNECTION)
{
{  CONECTION_ID: (input) This parameter specifies the connection identifier of
{       the connection to be accessed.
{
{  CONNECTION_EXISTS: (output) This parameter specifies whether the connection
{       exists.  If the connection exists, the requestor has exclusive access
{       to the connection.
{
{  CL_CONNECTION: (output) This parameter specifies the accessed connection.
{
