#ifndef lintstatic char sccsid[] = "@(#)space.c	4.1 (Berkeley) 6/27/83";#endifextern float boty;extern float botx;extern float oboty;extern float obotx;extern float scalex;extern float scaley;float deltx = 4095.;float delty = 4095.;space(x0,y0,x1,y1){	botx = -2047.;	boty = -2047;	obotx = x0;	oboty = y0;	scalex = deltx/(x1-x0);	scaley = delty/(y1-y0);}