static void connection_waiting_cb(struct ev_loop *loop, ev_io *w, int revents) {
bufio_connection *con = (bufio_connection *)w->data;
if (revents & EV_READ) {
static void connection_waiting_cb(struct ev_loop *loop, ev_io *w, int revents) {
bufio_connection *con = (bufio_connection *)w->data;
if (revents & EV_READ) {