server_bufferevent_add
int server_bufferevent_add(struct event *, int);
server_bufferevent_add(&bufev->ev_read, bufev->timeout_read);
server_bufferevent_add(&bufev->ev_read, bufev->timeout_read);
server_bufferevent_add(&bufev->ev_write, bufev->timeout_write);
server_bufferevent_add(&bufev->ev_write, bufev->timeout_write);