pub unsafe extern "C" fn g_simple_async_result_new_from_error(
source_object: *mut GObject,
callback: GAsyncReadyCallback,
user_data: gpointer,
error: *const GError,
) -> *mut GSimpleAsyncResult
pub unsafe extern "C" fn g_simple_async_result_new_from_error(
source_object: *mut GObject,
callback: GAsyncReadyCallback,
user_data: gpointer,
error: *const GError,
) -> *mut GSimpleAsyncResult