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1.1 root 1: /*
2: * Copyright (c) 1983 Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution and use in source and binary forms are permitted
6: * provided that the above copyright notice and this paragraph are
7: * duplicated in all such forms and that any documentation,
8: * advertising materials, and other materials related to such
9: * distribution and use acknowledge that the software was developed
10: * by the University of California, Berkeley. The name of the
11: * University may not be used to endorse or promote products derived
12: * from this software without specific prior written permission.
13: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14: * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15: * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16: *
17: * @(#)af.h 5.6 (Berkeley) 6/18/88
18: */
19:
20: /*
21: * Routing table management daemon.
22: */
23:
24: /*
25: * Per address family routines.
26: */
27: struct afswitch {
28: int (*af_hash)(); /* returns keys based on address */
29: int (*af_netmatch)(); /* verifies net # matching */
30: int (*af_output)(); /* interprets address for sending */
31: int (*af_portmatch)(); /* packet from some other router? */
32: int (*af_portcheck)(); /* packet from privileged peer? */
33: int (*af_checkhost)(); /* tells if address is valid */
34: int (*af_rtflags)(); /* get flags for route (host or net) */
35: int (*af_sendroute)(); /* check bounds of subnet broadcast */
36: int (*af_canon)(); /* canonicalize address for compares */
37: char *(*af_format)(); /* convert address to string */
38: };
39:
40: /*
41: * Structure returned by af_hash routines.
42: */
43: struct afhash {
44: u_int afh_hosthash; /* host based hash */
45: u_int afh_nethash; /* network based hash */
46: };
47:
48: struct afswitch afswitch[]; /* table proper */
49: int af_max; /* number of entries in table */
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