altq_attach
error = altq_attach(&ifp->if_snd, ALTQT_CBQ, a->altq_disc,
return (altq_attach(&ifp->if_snd, ALTQT_CODEL, a->altq_disc,
error = altq_attach(&ifp->if_snd, ALTQT_FAIRQ, a->altq_disc,
error = altq_attach(&ifp->if_snd, ALTQT_HFSC, a->altq_disc,
error = altq_attach(&ifp->if_snd, ALTQT_PRIQ, a->altq_disc,
extern int altq_attach(struct ifaltq *, int, void *,