wep_decrypt
if (wep_decrypt(ctx->rx_rc4key,
!wep_decrypt(k, m, hdrlen)) {
static int wep_decrypt(struct ieee80211_key *, struct mbuf *, int hdrlen);
if (wep_decrypt(wh, len, p->wep_key, p->wep_len) == -1){
if (wep_decrypt(wh, len, p->wep_key, p->wep_len) == -1){
int wep_decrypt(struct ieee80211_frame *wh, int len, char *key, int klen);