http_request
FILE *http_request(struct url *, const char *,
return (http_request(url, "HEAD", us, purl, flags));
return (http_request(url, "GET", us, purl, flags));
return (http_request(URL, "GET", us, http_get_proxy(URL, flags), flags));
f = http_request(URL, "HEAD", us, http_get_proxy(URL, flags), flags);