static void handle_vtshow (gw, allowswitch) Widget gw GCC_UNUSED; Bool allowswitch;
static void handle_vtshow (Widget gw GCC_UNUSED, Bool allowswitch)
static void handle_vtshow (gw, allowswitch)    Widget gw GCC_UNUSED;    Bool allowswitch;{    register TScreen *screen = &term->screen;    if (!screen->Vshow) {		/* not showing, turn on */	set_vt_visibility (TRUE);    } else if (screen->Tshow || allowswitch) {  /* is showing, turn off */	set_vt_visibility (FALSE);	if (!screen->TekEmu && TekRefresh) dorefresh ();	end_vt_mode ();			/* WARNING: this does a longjmp... */    } else       Bell(XkbBI_MinorError, 0);}