add_response_header(h, strdup("Cache-Control"), strdup("no-store, must-revalidate"));
add_response_header(h, strdup("Pragma"), strdup("no-cache"));
add_response_header(h, strdup("Expires"), strdup("0"));
add_response_header(h, strdup("Cache-Control"), strdup("no-store, must-revalidate"));
add_response_header(h, strdup("Pragma"), strdup("no-cache"));
add_response_header(h, strdup("Expires"), strdup("0"));