LE_RMDADDR
a = sc->sc_addr + LE_RMDADDR(sc, 0);
(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
rp = LE_RMDADDR(sc, bix);
(*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd));
a = sc->sc_addr + LE_RMDADDR(sc, 0);
(*sc->sc_copytodesc)(sc, &rmd, LE_RMDADDR(sc, bix),
rp = LE_RMDADDR(sc, bix);
(*sc->sc_copyfromdesc)(sc, &rmd, LE_RMDADDR(sc, no), sizeof(rmd));