Function gio_sys::g_socket_client_connect_to_host_async

pub unsafe extern "C" fn g_socket_client_connect_to_host_async(
    client: *mut GSocketClient,
    host_and_port: *const c_char,
    default_port: u16,
    cancellable: *mut GCancellable,
    callback: GAsyncReadyCallback,
    user_data: gpointer
)