1*15421Sralph #ifndef lint 2*15421Sralph static char sccsid[] = "@(#)open.c 4.1 (Berkeley) 11/10/83"; 3*15421Sralph #endif 4*15421Sralph 5*15421Sralph /* 6*15421Sralph * Displays plot files on a BBN bitgraph terminal. 7*15421Sralph */ 8*15421Sralph 9*15421Sralph #include <signal.h> 10*15421Sralph #include "bg.h" 11*15421Sralph 12*15421Sralph int currentx = 0; 13*15421Sralph int currenty = 0; 14*15421Sralph double lowx = 0.0; 15*15421Sralph double lowy = 0.0; 16*15421Sralph double scale = 1.0; 17*15421Sralph 18*15421Sralph openpl() 19*15421Sralph { 20*15421Sralph int closepl(); 21*15421Sralph 22*15421Sralph /* catch interupts */ 23*15421Sralph signal(SIGINT, closepl); 24*15421Sralph currentx = 0; 25*15421Sralph currenty = 0; 26*15421Sralph 27*15421Sralph space(0, 0, XMAX, YMAX); 28*15421Sralph } 29