1 files changed, 13 insertions, 2 deletions
diff --git a/pfxtree.h b/pfxtree.h
index 45c16fa..4c2987d 100644
--- a/pfxtree.h
+++ b/pfxtree.h
@@ -17,8 +17,8 @@
 
 /**
  * @file pfxtree.h
- * @version 0.1
- * @date 10/04/2015
+ * @version 0.2
+ * @date 12/30/2015
  * @author David McMackins II
  * @brief Delwink prefix tree (trie) library
  */
@@ -26,6 +26,8 @@
 #ifndef DELWINK_PFXTREE_H
 #define DELWINK_PFXTREE_H
 
+#include <stdbool.h>
+
 #ifdef __cplusplus
 # define __BEGIN_DECLS extern "C" {
 # define __END_DECLS }
@@ -78,6 +80,15 @@ void
 pt_free (PrefixTree *self);
 
 /**
+ * @brief Frees an allocated prefix tree (and its child nodes) and optionally
+ * its referenced data.
+ * @param self The tree to free.
+ * @param free_data Whether to free memory pointed to by the data (if pointer).
+ */
+void
+pt_deep_free (PrefixTree *self, bool free_data);
+
+/**
  * @brief Adds a new word to a prefix tree with integer data.
  * @param self The tree to which to add the word.
  * @param word The word to be added.