[CCode (cprefix = "px", lower_case_cprefix = "px_", cheader_filename = "proxy.h")] namespace Libproxy { [Compact] [CCode (free_function = "px_proxy_factory_free")] public class ProxyFactory { public ProxyFactory (); [CCode (array_length = false, array_null_terminated = true)] public string[] get_proxies (string url); } }