int hs20_anqp_send_req(struct wpa_supplicant *wpa_s, const u8 *dst, u32 stypes,
const u8 *payload, size_t payload_len, int inmem);
-struct wpabuf * hs20_build_anqp_req(u32 stypes, const u8 *payload,
- size_t payload_len);
void hs20_put_anqp_req(u32 stypes, const u8 *payload, size_t payload_len,
struct wpabuf *buf);
void hs20_parse_rx_hs20_anqp_resp(struct wpa_supplicant *wpa_s,