Function gio_2_0_sys::g_simple_async_result_new_error

pub unsafe extern "C" fn g_simple_async_result_new_error(
    source_object: *mut GObject, 
    callback: Option<GAsyncReadyCallback>, 
    user_data: gpointer, 
    domain: GQuark, 
    code: gint, 
    format: *const gchar,
     ...
) -> *mut GSimpleAsyncResult