-char * get_gl_info();
+#ifndef DEBUGUTIL_H_
+#define DEBUGUTIL_H_
+
+#include <stdio.h>
+
+#include "assimp_types.h"
+
+char* getGlInfoString();
+void dumpScene(FILE* stream, const AiScene* scene);
+void dumpNode(FILE* stream, const AiNode* node);
+
+#endif