{
{   The purpose of this request is to return the number of elements present in
{ the configuration which satisfy a particular criterion.  This request is
{ usually made prior to calling CMP$GET_ELEMENT_NAMES to determine the
{ dimension of the array used in that interface.  Refer to
{ CMP$GET_ELEMENT_NAMES for documentation of the selection criteria.
{
{       CMP$GET_NUMBER_OF_ELEMENTS (SELECTOR, NUMBER_OF_ELEMENTS, STATUS)
{
{ SELECTOR: (input)  This parameter specifies which criterion to use in
{       searching the active configuration.  Refer to the documentation of
{       CMP$GET_ELEMENT_NAMES.
{
{ NUMBER_OF_ELEMENTS: (output)  This parameter specifies the number of elements
{       that meet the specified criterion.
{
{ STATUS: (output)  This parameter specifies the request status.
{
{   CONDITIONS :
{
{
{   IDENTIFIER :  'CM'
{
{
