{
{    The purpose of this request is to report to the Channel Connection layer
{ the number of undelivered message buffers accumulated at the application
{ interface on the specified connection.
{
{       NLP$CC_REPORT_UNDELIVERED_DATA (CL_CONNECTION,
{             ACCUMULATED_MESSAGE_BUFFERS)
{
{  CL_CONNECTION: (input)  This parameter specifies the interlayer connection
{        description.
{
{  ACCUMULATED_MESSAGE_BUFFERS: (input)  This parameter specifies the number of
{        undelivered message buffers.
{
{
