bufferevent_write_buffer
int bufferevent_write_buffer(struct bufferevent *bufev, struct evbuffer *buf);
bufferevent_write_buffer(cs->write_event, message);
return (bufferevent_write_buffer(clt->clt_bev, buf));
return bufferevent_write_buffer(clt->clt_srvbev, evbuf);
return (bufferevent_write_buffer(cre->bev, buf));
if (bufferevent_write_buffer(bev, con->se_out.output)) {