ieee80211_saveie
ieee80211_saveie(&ni->ni_wpa_ie, wpa);
ieee80211_saveie(&ni->ni_wme_ie, wme);
ieee80211_saveie(iep, ie);
ieee80211_saveie(&ni->ni_wme_ie, sp->sp_wme);
ieee80211_saveie(&ni->ni_wpa_ie, sp->sp_wpa);
void ieee80211_saveie(u_int8_t **, const u_int8_t *);