--- /dev/null
+/* -*- Mode: C; tab-width: 4 -*-
+ *
+ * Copyright (c) 2011 Apple Computer, Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef __NSEC_H
+#define __NSEC_H
+
+#include "dnssec.h"
+
+extern mDNSBool AddNSECSForCacheRecord(mDNS *const m, CacheRecord *crlist, CacheRecord *negcr, mDNSu8 rcode);
+extern mDNSBool NSECAnswersENT(const ResourceRecord *const rr, domainname *name);
+extern void WildcardAnswerProof(mDNS *const m, DNSSECVerifier *dv);
+extern void ValidateWithNSECS(mDNS *const m, DNSSECVerifier *dv, CacheRecord *rr);
+mDNSexport mDNSBool NSECAnswersDS(mDNS *const m, ResourceRecord *rr, DNSQuestion *q);
+
+#endif // __NSEC_H