wpa_cipher
printf(" mc:%s", wpa_cipher(ie));
printf("%s%s", sep, wpa_cipher(ie));
static const char * wpa_cipher(const u_int8_t *);
w = wpa_cipher(frm, &rsn->rsn_mcastkeylen);
w |= 1 << wpa_cipher(frm, &rsn->rsn_ucastkeylen);