XtWindow(XtParent(term)),
XtWindow(SHELL_OF(term)),
void set_vt_visibility (Boolean on){    register TScreen *screen = &term->screen;    if (on) {	if (!screen->Vshow && term) {	    VTInit ();	    XtMapWidget (term->core.parent);	    screen->Vshow = TRUE;	}    }#if OPT_TEK4014    else {	if (screen->Vshow && term) {	    withdraw_window (XtDisplay (term),			     XtWindow(XtParent(term)),			     XScreenNumberOfScreen(XtScreen(term)));	    screen->Vshow = FALSE;	}    }    set_vthide_sensitivity();    set_tekhide_sensitivity();    update_vttekmode();    update_tekshow();    update_vtshow();#endif    return;}