ieee_types_vendor_specific
struct ieee_types_vendor_specific *bcn_wpa_ie;
struct ieee_types_vendor_specific *vendor_ie;
vendor_ie = (struct ieee_types_vendor_specific *)
(struct ieee_types_vendor_specific *)
(struct ieee_types_vendor_specific *)
has_vendor_hdr(struct ieee_types_vendor_specific *ie, u8 key)