* Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California.
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
* @(#)spidp.h 7.3 (Berkeley) %G%
* Definitions for NS(tm) Internet Datagram Protocol
* containing a Sequenced Packet Protocol packet.
#define SI(x) ((struct spidp *)x)
#define si_sum si_i.idp_sum
#define si_len si_i.idp_len
#define si_tc si_i.idp_tc
#define si_pt si_i.idp_pt
#define si_dna si_i.idp_dna
#define si_sna si_i.idp_sna
#define si_sport si_i.idp_sna.x_port
#define si_sid si_s.sp_sid
#define si_did si_s.sp_did
#define si_seq si_s.sp_seq
#define si_ack si_s.sp_ack
#define si_alo si_s.sp_alo