#ifndef lintstatic char SccsId[] = " @(#)close.c	4.1	(ULTRIX)	7/2/90";#endif not(lint)/* * Modification History * * 	April-11-1989, Pradeep Chetal *	Added changes from 4.3Tahoe BSD for lots of new drivers *//* * Copyright (c) 1980 Regents of the University of California. * All rights reserved.  The Berkeley software License Agreement * specifies the terms and conditions for redistribution. */#ifndef lintstatic char sccsid[] = "@(#)close.c	5.2 (Berkeley) 4/30/85";#endif not lint#include <signal.h>#include "bg.h"closepl(){	/* recieve interupts */	signal(SIGINT, SIG_IGN);	/* exit graphics mode */	putchar( ESC );	printf("[H");	exit(0);}