1*19851Sdist /* 2*19851Sdist * Copyright (c) 1980 Regents of the University of California. 3*19851Sdist * All rights reserved. The Berkeley software License Agreement 4*19851Sdist * specifies the terms and conditions for redistribution. 5*19851Sdist */ 6*19851Sdist 715421Sralph #ifndef lint 8*19851Sdist static char sccsid[] = "@(#)open.c 5.2 (Berkeley) 04/30/85"; 9*19851Sdist #endif not lint 1015421Sralph 11*19851Sdist 1215421Sralph /* 1315421Sralph * Displays plot files on a BBN bitgraph terminal. 1415421Sralph */ 1515421Sralph 1615421Sralph #include <signal.h> 1715421Sralph #include "bg.h" 1815421Sralph 1915421Sralph int currentx = 0; 2015421Sralph int currenty = 0; 2115421Sralph double lowx = 0.0; 2215421Sralph double lowy = 0.0; 2315421Sralph double scale = 1.0; 2415421Sralph 2515421Sralph openpl() 2615421Sralph { 2715421Sralph int closepl(); 2815421Sralph 2915421Sralph /* catch interupts */ 3015421Sralph signal(SIGINT, closepl); 3115421Sralph currentx = 0; 3215421Sralph currenty = 0; 3315421Sralph 3415421Sralph space(0, 0, XMAX, YMAX); 3515421Sralph } 36