qe_cdata
sc->sc_ui.ui_size = sizeof(struct qe_cdata) + ETHER_PAD_LEN;
sc->sc_pqedata = (struct qe_cdata *)sc->sc_ui.ui_baddr;
sc->sc_qedata = (struct qe_cdata *)sc->sc_ui.ui_vaddr;
memset(sc->sc_qedata, 0, sizeof(struct qe_cdata) + ETHER_PAD_LEN);
nullbuf = ((char*)sc->sc_qedata) + sizeof(struct qe_cdata);
struct qe_cdata *qc = sc->sc_qedata;
struct qe_cdata *qc = sc->sc_qedata;
struct qe_cdata *qc = sc->sc_qedata;
struct qe_cdata *qc = sc->sc_qedata;
struct qe_cdata *sc_qedata; /* Descriptor struct */
struct qe_cdata *sc_pqedata; /* Unibus address of above */