l2cap_connect_pcb
err = l2cap_connect_pcb(sc->sc_ctl, &sa);
err = l2cap_connect_pcb(sc->sc_int, &sa);
err = l2cap_connect_pcb(sc->sc_ctl, &sa);
err = l2cap_connect_pcb(sc->sc_int, &sa);
int l2cap_connect_pcb(struct l2cap_channel *, struct sockaddr_bt *);
return l2cap_connect_pcb(pcb, sa);
err = l2cap_connect_pcb(rs->rs_l2cap, &dlc->rd_raddr);