ieee80211_crypto_delkey
int ieee80211_crypto_delkey(struct ieee80211com *,
ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]);
(void) ieee80211_crypto_delkey(ic, k);
(void)ieee80211_crypto_delkey(ic, k);
status = ieee80211_crypto_delkey(ic, &ni->ni_ucastkey);