Ultrix-3.1/sys/net/af.c

Compare this file to the similar file:
Show the results in this format:

/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved.  The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 *
 * SCCSID: @(#)af.c	3.0	4/21/86
 *	Based on: @(#)af.c	6.4 (Berkeley) 6/8/85
 */

#include <sys/param.h>
#include <sys/mbuf.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/af.h>

/*
 * Address family support routines
 */
int	null_hash(), null_netmatch();
#define	AFNULL \
	{ null_hash,	null_netmatch }

#ifdef INET
extern int inet_hash(), inet_netmatch();
#define	AFINET \
	{ inet_hash,	inet_netmatch }
#else
#define	AFINET	AFNULL
#endif

#ifdef NS
extern int ns_hash(), ns_netmatch();
#define	AFNS \
	{ ns_hash,	ns_netmatch }
#else
#define	AFNS	AFNULL
#endif

#ifdef PUP
extern int pup_hash(), pup_netmatch();
#define	AFPUP \
	{ pup_hash,	pup_netmatch }
#else
#define	AFPUP	AFNULL
#endif

struct afswitch afswitch[AF_MAX] = {
	AFNULL,	AFNULL,	AFINET,	AFINET,	AFPUP,
	AFNULL,	AFNS,	AFNULL,	AFNULL,	AFNULL,
	AFNULL
};

/*ARGSUSED*/
null_hash(addr, hp)
	struct sockaddr *addr;
	struct afhash *hp;
{

	hp->afh_nethash = hp->afh_hosthash = 0;
}

/*ARGSUSED*/
null_netmatch(a1, a2)
	struct sockaddr *a1, *a2;
{

	return (0);
}