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diff --git a/src/ipcpd/unicast/pol/pft.h b/src/ipcpd/unicast/pol/pft.h
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+/*
+ * Ouroboros - Copyright (C) 2016 - 2020
+ *
+ * Packet forwarding table (PFT) with chaining on collisions
+ *
+ * Dimitri Staessens <dimitri.staessens@ugent.be>
+ * Sander Vrijders <sander.vrijders@ugent.be>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., http://www.fsf.org/about/contact/.
+ */
+
+#ifndef OUROBOROS_PFT_H
+#define OUROBOROS_PFT_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+struct pft;
+
+/* Buckets is rounded up to the nearest power of 2 */
+struct pft * pft_create(uint64_t buckets,
+ bool hash_key);
+
+void pft_destroy(struct pft * table);
+
+void pft_flush(struct pft * table);
+
+/* Passes ownership of the block of memory */
+int pft_insert(struct pft * pft,
+ uint64_t dst,
+ int * fds,
+ size_t len);
+
+/* The block of memory returned is no copy */
+int pft_lookup(struct pft * pft,
+ uint64_t dst,
+ int ** fds,
+ size_t * len);
+
+int pft_delete(struct pft * pft,
+ uint64_t dst);
+
+#endif /* OUROBOROS_PFT_H */