
{
{     The purpose of the request is to obtain the data length (number of bytes)
{  of an application's message buffer.
{
{       NLP$AL_GET_DATA_LENGTH (DATA, DATA_LENGTH)
{
{  DATA: (input) This parameter specifies the application's message buffer.
{
{  DATA_LENGTH: (output) This parameter specifies the number of bytes in the
{       application's message buffer.
{
