{
{   The purpose of this request is obtain the signal specified by
{ buffer_index.
{
{       TMP$GET_SIGNAL (BUFFER_INDEX, SIGNAL, SIGNAL_STATUS)
{
{ BUFFER_INDEX: (input) This parameter specifies the signal to be obtained.
{
{ SIGNAL: (output) This parameter specifies the returned signal.
{
{ SIGNAL_STATUS: (output) This parameter specifies the outcome of the request.
{
