l2cap_attach_pcb
err = l2cap_attach_pcb(&sc->sc_ctl_l, &bthidev_ctl_proto, sc);
err = l2cap_attach_pcb(&sc->sc_int_l, &bthidev_int_proto, sc);
err = l2cap_attach_pcb(&sc->sc_ctl, &bthidev_ctl_proto, sc);
err = l2cap_attach_pcb(&sc->sc_int, &bthidev_int_proto, sc);
l2cap_attach_pcb(&sc->sc_ctl, &bthidev_ctl_proto, sc);
l2cap_attach_pcb(&sc->sc_int, &bthidev_int_proto, sc);
l2cap_attach_pcb(&sc->sc_ctl, &btmagic_ctl_proto, sc);
l2cap_attach_pcb(&sc->sc_int, &btmagic_int_proto, sc);
err = l2cap_attach_pcb(&sc->sc_ctl_l, &btmagic_ctl_proto, sc);
err = l2cap_attach_pcb(&sc->sc_int_l, &btmagic_int_proto, sc);
err = l2cap_attach_pcb(&sc->sc_ctl, &btmagic_ctl_proto, sc);
err = l2cap_attach_pcb(&sc->sc_int, &btmagic_int_proto, sc);
int l2cap_attach_pcb(struct l2cap_channel **, const struct btproto *, void *);
return l2cap_attach_pcb((struct l2cap_channel **)&so->so_pcb,
err = l2cap_attach_pcb(&rs->rs_l2cap, &rfcomm_session_proto, rs);