}
		ch <- err
		return
	}
	if _, err := c.Write(b[:n]); err != nil {
		if perr := parseWriteError(err); perr != nil {
			ch <- perr
		}
		ch <- err
		return
	}
}

func transceiver(c Conn, wb []byte, ch chan<- error) {
	defer close(ch)

	c.SetDeadline(time.Now().Add(someTimeout))
	c.SetReadDeadline(time.Now().Add(someTimeout))
	c.SetWriteDeadline(time.Now().Add(someTimeout))