{
{     The purpose of this function is to compare the two BTFS/DI titles
{ (if defined) or the BTFS/DI network addresses (if titles not defined).
{
{       NFP$BTFS_DI_MATCH (FIRST_TITLE, FIRST_ADDRESS, SECOND_TITLE,
{             SECOND_ADDRESS)
{
{ FIRST_TITLE: (input)  This parameter specifies the first BTFS/DI title.
{
{ FIRST_ADDRESS: (input)  This parameter specifies the first network address.
{
{ SECOND_TITLE: (input)  This parameter specifies the second BTFS/DI title.
{
{ SECOND_ADDRESS: (input)  This parameter specifies the second network address.
{
