17da344b1Smckusick /* 2*ee66054dSbostic * Copyright (c) 1984, 1985, 1986, 1987, 1993 3*ee66054dSbostic * The Regents of the University of California. All rights reserved. 47da344b1Smckusick * 54c27cbbaSbostic * %sccs.include.redist.c% 632fad333Ssklower * 7*ee66054dSbostic * @(#)idp.h 8.1 (Berkeley) 06/10/93 87da344b1Smckusick */ 9652b03b2Ssklower 10652b03b2Ssklower /* 11652b03b2Ssklower * Definitions for NS(tm) Internet Datagram Protocol 12652b03b2Ssklower */ 13652b03b2Ssklower struct idp { 14652b03b2Ssklower u_short idp_sum; /* Checksum */ 15652b03b2Ssklower u_short idp_len; /* Length, in bytes, including header */ 16652b03b2Ssklower u_char idp_tc; /* Transport Crontrol (i.e. hop count) */ 17652b03b2Ssklower u_char idp_pt; /* Packet Type (i.e. level 2 protocol) */ 18652b03b2Ssklower struct ns_addr idp_dna; /* Destination Network Address */ 19652b03b2Ssklower struct ns_addr idp_sna; /* Source Network Address */ 20652b03b2Ssklower }; 21