Plan 9 from Bell Labs’s /usr/web/sources/contrib/dho/nfil/src/9/ip/nullmedium.c

Copyright © 2021 Plan 9 Foundation.
Distributed under the MIT License.
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#include "u.h"
#include "../port/lib.h"
#include "mem.h"
#include "dat.h"
#include "fns.h"
#include "../port/error.h"

#include "ip.h"

static void
nullbind(Ipifc*, int, char**)
{
	error("cannot bind null device");
}

static void
nullunbind(Ipifc*)
{
}

static void
nullbwrite(Ipifc*, Block*, int, uchar*)
{
	error("nullbwrite");
}

Medium nullmedium =
{
.name=		"null",
.bind=		nullbind,
.unbind=	nullunbind,
.bwrite=	nullbwrite,
};

void
nullmediumlink(void)
{
	addipmedium(&nullmedium);
}

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