1 /* 2 * Copyright (c) 1980 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 */ 6 7 #ifndef lint 8 static char sccsid[] = "@(#)close.c 5.2 (Berkeley) 04/30/85"; 9 #endif not lint 10 11 12 #include <signal.h> 13 #include "bg.h" 14 15 closepl() 16 { 17 /* recieve interupts */ 18 signal(SIGINT, SIG_IGN); 19 20 /* exit graphics mode */ 21 putchar( ESC ); 22 printf("[H"); 23 exit(0); 24 } 25