ransport.html#transport_DB_EID_BROADCAST" class="olink">DB_EID_BROADCAST</a>, the send
function can send messages to all the machines in the group.  Third,
upon receipt of an incoming message, the receive function can correctly
identify the sender and pass the appropriate environment ID to the
<a href="../api_reference/C/repmessage.html" class="olink">DB_ENV-&gt;rep_process_message()</a> method.</p>
      <p>Mapping a particular environment ID to a specific port is accomplished
by looping through the linked