circle.c

<B>Digital的Unix操作系统VAX 4.2源码</B>

#ifndef lint
static char SccsId[] = " @(#)circle.c	4.1	(ULTRIX)	7/2/90";
#endif not(lint)

/*
 * Modification History
 *
 * 	April-11-1989, Pradeep Chetal
 *	Added changes from 4.3Tahoe BSD for lots of new drivers
 */

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

#ifndef lint
static char sccsid[] = "@(#)circle.c	5.1 (Berkeley) 5/7/85";
#endif not lint

#include "hp7221.h"

circle (xc,yc,r)
    int	xc,yc,r;
{
    if( r < 1 ) {
	point( xc, yc );
	return;
    }
    move( xc, yc );
    putchar( 't' );
    putMBN( scaleX(r) );
}