--- /dev/null
+/*
+ * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; only version 2 of the License.
+ *
+ * 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., 59 Temple
+ * Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _LTT_HT_UTILS_H
+#define _LTT_HT_UTILS_H
+
+#include <stdint.h>
+
+unsigned long hash_key_ulong(void *_key, unsigned long seed);
+unsigned long hash_key_str(void *key, unsigned long seed);
+int hash_match_key_ulong(void *key1, void *key2);
+int hash_match_key_str(void *key1, void *key2);
+
+#endif /* _LTT_HT_UTILS_H */