bstp_addr_cmp
if (bstp_addr_cmp(IF_LLADDR(bif->bif_ifp),
if (bstp_addr_cmp(IF_LLADDR(sc->sc_ifp), IF_LLADDR(mif->bif_ifp)) < 0)
static int bstp_addr_cmp(const uint8_t *, const uint8_t *);