- XtVaGetValues (vis, XmNsubMenuId, &menu, 0);
- XtVaGetValues (menu, XmNnumChildren, &nkids, XmNchildren, &kids, 0);
- XtVaGetValues (menu, XmNmenuHistory, &selected_item, 0);
+ XtVaGetValues (vis, XmNsubMenuId, &menu, NULL);
+ XtVaGetValues (menu, XmNnumChildren, &nkids, XmNchildren, &kids, NULL);
+ XtVaGetValues (menu, XmNmenuHistory, &selected_item, NULL);