* Copyright (c) 1982 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
* @(#)spidp.h 6.2 (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