ieee80211_dup_bss
ni = ieee80211_dup_bss(&ic->ic_sta, wh->i_addr2);
ni = ieee80211_dup_bss(&ic->ic_sta, wh->i_addr2);
ni = ieee80211_dup_bss(nt, macaddr);
ni = ieee80211_dup_bss(&ic->ic_sta, wh->i_addr2);/* XXX alloc_node? */
struct ieee80211_node *ieee80211_dup_bss(struct ieee80211_node_table *,