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BSD 4.3reno

#ifndef lint
static char sccsid[] = "@(#)subr.c	4.1 (Berkeley) 6/27/83";
#endif

extern float obotx;
extern float oboty;
extern float boty;
extern float botx;
extern float scalex;
extern float scaley;
xsc(xi){
	int xa;
	xa = (xi-obotx)*scalex+botx;
	return(xa);
}
ysc(yi){
	int ya;
	ya = (yi-oboty)*scaley+boty;
	return(ya);
}

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