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 5.3 (Berkeley) 02/24/91"; 9 #endif not lint 10 11 12 #include <signal.h> 13 #include "bg.h" 14 15 void 16 closepl() 17 { 18 /* recieve interupts */ 19 signal(SIGINT, SIG_IGN); 20 21 /* exit graphics mode */ 22 putchar( ESC ); 23 printf("[H"); 24 exit(0); 25 } 26