Function gio_sys::g_socket_client_connect_to_host

pub unsafe extern fn g_socket_client_connect_to_host(client: *mut GSocketClient,
                                                     host_and_port: *const c_char,
                                                     default_port: u16,
                                                     cancellable: *mut GCancellable,
                                                     error: *mut *mut GError)
                                                     -> *mut GSocketConnection