/*  * This file is part of the UCB release of Plan 9. It is subject to the license * terms in the LICENSE file found in the top-level directory of this * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No * part of the UCB release of Plan 9, including this file, may be copied, * modified, propagated, or distributed except according to the terms contained * in the LICENSE file. */ #include "u.h"#include "../port/lib.h"#include "mem.h"#include "dat.h"#include "fns.h"#include "../port/error.h" #include "ip.h" static voidnullbind(Ipifc*, int, char**){	error("cannot bind null device");} static voidnullunbind(Ipifc*){} static voidnullbwrite(Ipifc*, Block*, int, uchar*){	error("nullbwrite");} Medium nullmedium ={.name=		"null",.bind=		nullbind,.unbind=	nullunbind,.bwrite=	nullbwrite,}; voidnullmediumlink(void){	addipmedium(&nullmedium);}