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[] = "@(#)open.c 5.3 (Berkeley) 02/24/91"; 9 #endif not lint 10 11 12 /* 13 * Displays plot files on a BBN bitgraph terminal. 14 */ 15 16 #include <signal.h> 17 #include "bg.h" 18 19 int currentx = 0; 20 int currenty = 0; 21 double lowx = 0.0; 22 double lowy = 0.0; 23 double scale = 1.0; 24 25 openpl() 26 { 27 void closepl(); 28 29 /* catch interupts */ 30 signal(SIGINT, closepl); 31 currentx = 0; 32 currenty = 0; 33 34 space(0, 0, XMAX, YMAX); 35 } 36