de_cdata
dc = alloc(sizeof(struct de_cdata));
pdc = (struct de_cdata *)ubmap(0, (int)dc, sizeof(struct de_cdata));
memset((char *)dc, 0, sizeof(struct de_cdata));
static volatile struct de_cdata *dc, *pdc;
struct de_cdata *sc_dedata; /* Control structure */
struct de_cdata *sc_pdedata; /* Bus-mapped control structure */
sc->sc_ui.ui_size = sizeof(struct de_cdata);
sc->sc_dedata = (struct de_cdata *)sc->sc_ui.ui_vaddr;
struct de_cdata *dc, *pdc;
sc->sc_ui.ui_size = sizeof(struct de_cdata);
sc->sc_pdedata = (struct de_cdata *)sc->sc_ui.ui_baddr;
sc->sc_dedata = (struct de_cdata *)sc->sc_ui.ui_vaddr;
struct de_cdata *dc;
struct de_cdata *dc;
struct de_cdata *dc;