+ /** Bind to a specific port from a config tag.
+ * @param Tag the tag that contains bind information.
+ * @param sa The endpoint to listen on.
+ * @params old_ports Previously listening ports that may be on the same endpoint.
+ */
+ bool BindPort(ConfigTag* tag, const irc::sockets::sockaddrs& sa, std::vector<ListenSocket*>& old_ports);
+