if_ath_alq_hdr
struct if_ath_alq_hdr *ap;
ale = if_ath_alq_get(alq, len + sizeof(struct if_ath_alq_hdr));
ap = (struct if_ath_alq_hdr *) ale->ae_data;
memcpy(((char *) ap) + sizeof(struct if_ath_alq_hdr),
struct if_ath_alq_hdr hdr;