pub unsafe extern "C" fn g_simple_async_result_new(
source_object: *mut GObject,
callback: GAsyncReadyCallback,
user_data: gpointer,
source_tag: gpointer,
) -> *mut GSimpleAsyncResult
pub unsafe extern "C" fn g_simple_async_result_new(
source_object: *mut GObject,
callback: GAsyncReadyCallback,
user_data: gpointer,
source_tag: gpointer,
) -> *mut GSimpleAsyncResult