1 /*- 2 * Copyright (c) 1980, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.proprietary.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)open.c 8.1 (Berkeley) 06/04/93"; 10 #endif /* not lint */ 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