whoops... need this, too

src/include/trie.h

@@ -0,0 +1,33 @@
+/*
+ *  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; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+#ifndef _FR_TRIE_H
+#define _FR_TRIE_H
+
+#include <talloc.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+typedef struct fr_trie_t fr_trie_t;
+typedef int (*fr_trie_walk_t)(void *ctx, uint8_t const *key, int keylen, void *data);
+
+fr_trie_t *fr_trie_alloc(TALLOC_CTX *ctx);
+int fr_trie_insert(fr_trie_t *ft, void const *key, size_t keylen, void *data) CC_HINT(nonnull);
+void *fr_trie_lookup(fr_trie_t *ft, void const *key, size_t keylen) CC_HINT(nonnull);
+void *fr_trie_remove(fr_trie_t *ft, void const *key, size_t keylen) CC_HINT(nonnull);
+int fr_trie_walk(fr_trie_t *ft, void *ctx, fr_trie_walk_t callback) CC_HINT(nonnull(1,3));
+
+#endif	/* _FR_TRIE_H */