if (o->option == TELOPT_ECHO) { cfg.ldisc_term = FALSE; ldisc = &ldisc_simple; }
static void activate_option (struct Opt *o) {    if (o->send == WILL && o->option == TELOPT_NAWS)	telnet_size();    if (o->send == WILL &&	(o->option == TELOPT_NEW_ENVIRON ||	 o->option == TELOPT_OLD_ENVIRON)) {	/*	 * We may only have one kind of ENVIRON going at a time.	 * This is a hack, but who cares.	 */	deactivate_option (o->option==TELOPT_NEW_ENVIRON ? &o_oenv : &o_nenv);    }}