{
{  This procedure gets the values of which link attributes a site will
{  allow a user to display using the DISPLAY_LINK_ATTRIBUTES command.
{  This is the ring 3 procedure interface.
{
{         RHP$GET_DISPLAY_LINK_ATTR_VALUE (DISPLAY_CHARGE, DISPLAY_FAMILY,
{             DISPLAY_PROJECT, DISPLAY_USER);
{
{  DISPLAY_CHARGE: (output) This parameter tells whether to display the user's
{      charge number on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_FAMILY: (output) This parameter tells whether to display the user's
{      family name on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_PROJECT: (output) This parameter tells whether to display the user's
{      project number on the DISPLAY_LINK_ATTRIBUTES command or not.
{
{  DISPLAY_USER: (output) This parameter tells whether to display the user's
{      user name on the DISPLAY_LINK_ATTRIBUTES command or not.
{

