take_tlv
(void)take_tlv(&pkt, &len, IEEE80211_ELEMID_VENDOR, challenge,
if (len > 0 && (challenge_len = take_tlv(&pkt, &len,
if ((ssid_len = take_tlv(&pkt, &len, IEEE80211_ELEMID_SSID,
if ((rates_len = take_tlv(&pkt, &len, IEEE80211_ELEMID_RATES,