bwfm_fwvar_var_get_int
int bwfm_fwvar_var_get_int(struct bwfm_softc *, char *, uint32_t *);
if (bwfm_fwvar_var_get_int(sc, "nmode", &nmode))
if (bwfm_fwvar_var_get_int(sc, "vhtmode", &vhtmode))
if (bwfm_fwvar_var_get_int(sc, "scan_ver", &sc->sc_scan_ver))
bwfm_fwvar_var_get_int(sc, "wsec", &wsec);