code: func LinkButtonNewWithLabel(uri, label string) (*LinkButton, error) {
  	curi := C.CString(uri)
  	defer C.free(unsafe.Pointer(curi))
  	clabel := C.CString(label)
  	defer C.free(unsafe.Pointer(clabel))
  	c := C.gtk_link_button_new_with_label((*C.gchar)(curi), (*C.gchar)(clabel))
  	if c == nil {
  		return nil, nilPtrErr
  	}
  	return wrapLinkButton(glib.Take(unsafe.Pointer(c))), nil
  }
docs: // LinkButtonNewWithLabel is a wrapper around gtk_link_button_new_with_label().