{
{ This procedure is used to fetch the value of a system attribute that
{ was set via the SETSA command.
{
{     OSP$FETCH_SYSTEM_CONSTANT (NAME, INDEX, VALUE, STATUS)
{
{  NAME: {INPUT} This parameter specifies the name of the attribute.
{  INDEX: This parameter is reserved for internal use and should be
{         set to zero.
{  VALUE: {OUTPUT} This parameter will contain the value of the attribute
{
