/* * Copyright (c) 1982, 1986, 1993 *	The Regents of the University of California.  All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright *    notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright *    notice, this list of conditions and the following disclaimer in the *    documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software *    must display the following acknowledgement: *	This product includes software developed by the University of *	California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors *    may be used to endorse or promote products derived from this software *    without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * *	@(#)tcpip.h	8.1 (Berkeley) 6/10/93 *//* * Tcp+ip header, after ip options removed. */struct tcpiphdr {	struct 	ipovly ti_i;		/* overlaid ip structure */	struct	tcphdr ti_t;		/* tcp header */};#define	ti_next		ti_i.ih_next#define	ti_prev		ti_i.ih_prev#define	ti_x1		ti_i.ih_x1#define	ti_pr		ti_i.ih_pr#define	ti_len		ti_i.ih_len#define	ti_src		ti_i.ih_src#define	ti_dst		ti_i.ih_dst#define	ti_sport	ti_t.th_sport#define	ti_dport	ti_t.th_dport#define	ti_seq		ti_t.th_seq#define	ti_ack		ti_t.th_ack#define	ti_x2		ti_t.th_x2#define	ti_off		ti_t.th_off#define	ti_flags	ti_t.th_flags#define	ti_win		ti_t.th_win#define	ti_sum		ti_t.th_sum#define	ti_urp		ti_t.th_urp