2.11BSD#431 - /usr/src/sys/pdpif/if_un.h

   1: /*
   2:  * Copyright (c) 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)if_un.h	1.1 (2.10BSD Berkeley) 12/1/86
   7:  */
   8: 
   9: /*
  10:  * Structure of a Ungermann-Bass datagram header.
  11:  */
  12: 
  13: struct un_header {
  14:     u_short un_length;
  15:     u_char  un_type;
  16:     u_char  un_control;
  17:     u_short un_dnet;
  18:     u_short un_dniu;
  19:     u_char  un_dport;
  20:     u_char  un_dtype;
  21:     u_short un_snet;
  22:     u_short un_sniu;
  23:     u_char  un_sport;
  24:     u_char  un_stype;
  25:     u_char  un_option;
  26:     u_char  un_bcc;
  27:     u_short un_ptype;   /* protocol type */
  28: };
  29: 
  30: /*
  31:  * Protocol types
  32:  */
  33: 
  34: #define UNTYPE_INQUIRE      1   /* inquire - "Who am I?" */
  35: #define UNTYPE_IP       2   /* Internet Protocol */

Defined struct's

Defined macros