{
{    The purpose of this procedure is to obtain the next operator action
{  menu in the list of menus which the caller is validated to display.
{  The set of validations active for the caller is determined, and then a
{  a call is made to the ring 1 procedure which searches the menu list
{  for the appropriate menu.
{
{       OFP$GET_NEXT_OPERATOR_MENU (CURRENT_MENU_ID, MENU_DESCRIPTOR, STATUS)
{
{ CURRENT_MENU_ID: (input) This parameter specifies the unique identifier of
{       current menu. The search for the next menu will begin at this menu.
{
{ MENU_DESCRIPTOR: (output) This parameter specifies the descriptor of the next
{       menu in the list of menus which the caller is validated to display.
{
{ STATUS: (output) This parameter specifies the status of the request.
{
{       CONDITION: ofe$no_menus_available
{                  ofe$one_menu_available
{
