static int http_proxy_close(URLContext *h)
{
    HTTPContext *s = h->priv_data;
    if (s->hd)
        ffurl_closep(&s->hd);
    return 0;
}
static int http_proxy_close(URLContext *h)
{
    HTTPContext *s = h->priv_data;
    if (s->hd)
        ffurl_closep(&s->hd);
    return 0;
}