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diff --git a/bin/named/include/named/listenlist.h b/bin/named/include/named/listenlist.h
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+++ b/bin/named/include/named/listenlist.h
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+/*
+ * Copyright (C) 2004, 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 2000, 2001  Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: listenlist.h,v 1.15 2007/06/19 23:46:59 tbox Exp $ */
+
+#ifndef NAMED_LISTENLIST_H
+#define NAMED_LISTENLIST_H 1
+
+/*****
+ ***** Module Info
+ *****/
+
+/*! \file
+ * \brief
+ * "Listen lists", as in the "listen-on" configuration statement.
+ */
+
+/***
+ *** Imports
+ ***/
+#include <isc/net.h>
+
+#include <dns/types.h>
+
+/***
+ *** Types
+ ***/
+
+typedef struct ns_listenelt ns_listenelt_t;
+typedef struct ns_listenlist ns_listenlist_t;
+
+struct ns_listenelt {
+	isc_mem_t *	       		mctx;
+	in_port_t			port;
+	dns_acl_t *	       		acl;
+	ISC_LINK(ns_listenelt_t)	link;
+};
+
+struct ns_listenlist {
+	isc_mem_t *			mctx;
+	int				refcount;
+	ISC_LIST(ns_listenelt_t)	elts;
+};
+
+/***
+ *** Functions
+ ***/
+
+isc_result_t
+ns_listenelt_create(isc_mem_t *mctx, in_port_t port,
+		    dns_acl_t *acl, ns_listenelt_t **target);
+/*%
+ * Create a listen-on list element.
+ */
+
+void
+ns_listenelt_destroy(ns_listenelt_t *elt);
+/*%
+ * Destroy a listen-on list element.
+ */
+
+isc_result_t
+ns_listenlist_create(isc_mem_t *mctx, ns_listenlist_t **target);
+/*%
+ * Create a new, empty listen-on list.
+ */
+
+void
+ns_listenlist_attach(ns_listenlist_t *source, ns_listenlist_t **target);
+/*%
+ * Attach '*target' to '*source'.
+ */
+
+void
+ns_listenlist_detach(ns_listenlist_t **listp);
+/*%
+ * Detach 'listp'.
+ */
+
+isc_result_t
+ns_listenlist_default(isc_mem_t *mctx, in_port_t port,
+		      isc_boolean_t enabled, ns_listenlist_t **target);
+/*%
+ * Create a listen-on list with default contents, matching
+ * all addresses with port 'port' (if 'enabled' is ISC_TRUE),
+ * or no addresses (if 'enabled' is ISC_FALSE).
+ */
+
+#endif /* NAMED_LISTENLIST_H */
+
+