4.3BSD-Reno/src/sys/net/af.h

/*
 * Copyright (c) 1980, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution is only permitted until one year after the first shipment
 * of 4.4BSD by the Regents.  Otherwise, redistribution and use in source and
 * binary forms are permitted provided that: (1) source distributions retain
 * this entire copyright notice and comment, and (2) distributions including
 * binaries display the following acknowledgement:  This product includes
 * software developed by the University of California, Berkeley and its
 * contributors'' in the documentation or other materials provided with the
 * distribution and in all advertising materials mentioning features or use
 * of this software.  Neither the name of the University nor the names of
 * its contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	@(#)af.h	7.5 (Berkeley) 6/28/90
 */

/*
 * This file is obsolete, I think.  kls 12/21/88

 * Address family routines,
 * used in handling generic sockaddr structures.
 *
 * Hash routine is called
 *	af_hash(addr, h);
 *	struct sockaddr *addr; struct afhash *h;
 * producing an afhash structure for addr.
 *
 * Netmatch routine is called
 *	af_netmatch(addr1, addr2);
 * where addr1 and addr2 are sockaddr *.  Returns 1 if network
 * values match, 0 otherwise.
struct afswitch {
	int	(*af_hash)();
	int	(*af_netmatch)();
};

struct afhash {
	u_int	afh_hosthash;
	u_int	afh_nethash;
};

#ifdef KERNEL
struct	afswitch afswitch[];
#endif
 */