{
{   The purpose of this request is to terminate access to a previously opened
{ service access point.  Any connections open over the specified service
{ access point will be terminated.  No indication of such a termination is
{ given to the user at the other end of the connection.
{
{       NAP$GT_CLOSE_SAP (SAP, STATUS)
{
{ SAP: (input) This parameter specifies an open service access point to be
{       closed.
{
{ STATUS: (output) This parameter specifies the request status.
{       CONDITIONS: nae$sap_not_open
{       IDENTIFIER: 'NA'
{
