#ifndef lintstatic	char sccsid[] = "@(#)dot.c 1.1 92/07/30 SMI"; /* from UCB 4.1 6/27/83 */#endifextern vti;dot(xi,yi,dx,n,pat)int pat[];{	struct {char pad,c; int xi,yi,dx;} p;	p.c = 7;	p.xi = xsc(xi);	p.yi = ysc(yi);	p.dx = xsc(dx);	write(vti,&p.c,7);	write(vti,pat,n?n&0377:256);}