wcfb_rectfill
static void wcfb_rectfill(struct wcfb_softc *, int, int, int, int, int);
wcfb_rectfill(sc, 0, 0, sc->sc_width, sc->sc_height,
wcfb_rectfill(sc, x, y, wi, he, bg);
wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);
wcfb_rectfill(sc, x, y, width, height, ri->ri_devcmap[bg]);