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1.1 root 1: /* if_un.h 6.1 83/07/29 */
2:
3: /*
4: * Structure of a Ungermann-Bass datagram header.
5: */
6:
7: struct un_header {
8: u_short un_length;
9: u_char un_type;
10: u_char un_control;
11: u_short un_dnet;
12: u_short un_dniu;
13: u_char un_dport;
14: u_char un_dtype;
15: u_short un_snet;
16: u_short un_sniu;
17: u_char un_sport;
18: u_char un_stype;
19: u_char un_option;
20: u_char un_bcc;
21: u_short un_ptype; /* protocol type */
22: };
23:
24: /*
25: * Protocol types
26: */
27:
28: #define UNTYPE_INQUIRE 1 /* inquire - "Who am I?" */
29: #define UNTYPE_IP 2 /* Internet Protocol */
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