utk_button(win, "New", 0, 0, cb_new, 0);
utk_button(win, "Open ...", 0, 0, cb_open, 0);
utk_button(win, "Save ...", 0, 0, cb_save, 0);
utk_button(win, "New", 0, 0, cb_new, 0);
utk_button(win, "Open ...", 0, 0, cb_open, 0);
utk_button(win, "Save ...", 0, 0, cb_save, 0);