code: func (v *PixbufLoader) Close() error {
  	var err *C.GError
  
  	if ok := gobool(C.gdk_pixbuf_loader_close(v.native(), &err)); !ok {
  		defer C.g_error_free(err)
  		return errors.New(C.GoString((*C.char)(err.message)))
  	}
  	return nil
  }
docs: // Close is a wrapper around gdk_pixbuf_loader_close().  An error is
  // returned instead of a bool like the native C function to support the
  // io.Closer interface.