IEEE80211_C_BITS
printb("drivercaps", dc->dc_drivercaps, IEEE80211_C_BITS);
ic->ic_caps, IEEE80211_C_BITS);
db_printf("\tcaps=%b\n", vap->iv_caps, IEEE80211_C_BITS);
db_printf("\tcaps=%b\n", ic->ic_caps, IEEE80211_C_BITS);