#ifndef lintstatic char sccsid[] = "@(#)space.c	4.1 (Berkeley) 6/27/83";#endifextern float botx;extern float boty;extern float obotx;extern float oboty;extern float scalex;extern float scaley;extern int scaleflag;space(x0,y0,x1,y1){	botx = 0.;	boty = 0.;	obotx = x0;	oboty = y0;	if(scaleflag)		return;	scalex = 3120./(x1-x0);	scaley = 3120./(y1-y0);}