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-rw-r--r--src/helper.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/helper.h b/src/helper.h
index 18aa35f..37cd7fd 100644
--- a/src/helper.h
+++ b/src/helper.h
@@ -73,4 +73,15 @@ void print_label(struct Label label);
//
// And add functions for queryinf information from the forest.
+// TODO: Declare opaque struct standing for forests, and connect to
+// the function for printing labels of forests.
+//
+// This can be used in debuggers to help us diagnose the situation.
+
+struct CForest;
+
+void print_forest_node(struct CForest *forest, unsigned char *node);
+
+void print_node(struct CForest *forest, uint64_t node);
+
#endif