pub unsafe extern "C" fn gtk_file_chooser_button_set_focus_on_click(
button: *mut GtkFileChooserButton,
focus_on_click: gboolean
)
pub unsafe extern "C" fn gtk_file_chooser_button_set_focus_on_click(
button: *mut GtkFileChooserButton,
focus_on_click: gboolean
)