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diff --git a/contrib/librdns/parse.h b/contrib/librdns/parse.h
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+/* Copyright (c) 2014, Vsevolod Stakhov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *       * Redistributions of source code must retain the above copyright
+ *         notice, this list of conditions and the following disclaimer.
+ *       * Redistributions in binary form must reproduce the above copyright
+ *         notice, this list of conditions and the following disclaimer in the
+ *         documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED ''AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef PARSE_H_
+#define PARSE_H_
+
+#include "dns_private.h"
+
+/**
+ * Compare request and reply checking names
+ * @param req request object
+ * @param in incoming packet
+ * @param len length of the incoming packet
+ * @return new position in the incoming packet or NULL if request is not equal to reply
+ */
+uint8_t * rdns_request_reply_cmp (struct rdns_request *req, uint8_t *in, int len);
+
+/**
+ * Parse labels in the packet
+ * @param in incoming packet
+ * @param target target to write the parsed label (out)
+ * @param pos output position in the packet (it/out)
+ * @param rep dns reply
+ * @param remain remaining bytes (in/out)
+ * @param make_name create name or just skip to the next label
+ * @return true if a label has been successfully parsed
+ */
+bool rdns_parse_labels (struct rdns_resolver *resolver,
+		uint8_t *in, char **target,
+		uint8_t **pos, struct rdns_reply *rep,
+		int *remain, bool make_name);
+
+/**
+ * Parse resource record
+ * @param in incoming packet
+ * @param elt new reply entry
+ * @param pos output position in the packet (it/out)
+ * @param rep dns reply
+ * @param remain remaining bytes (in/out)
+ * @return 1 if rr has been parsed, 0 if rr has been skipped and -1 if there was a parsing error
+ */
+int rdns_parse_rr (struct rdns_resolver *resolver,
+		uint8_t *in, struct rdns_reply_entry *elt, uint8_t **pos,
+		struct rdns_reply *rep, int *remain);
+
+#endif /* PARSE_H_ */