aac_alloc_command
if (aac_alloc_command(sc, &cm)) /* get a command */
if (aac_alloc_command(sc, (struct aac_command **)arg)) {
if (aac_alloc_command(sc, &cm)) {
if (aac_alloc_command(sc, &cm)) {
if (aac_alloc_command(sc, &cm)) {
extern int aac_alloc_command(struct aac_softc *sc,