diff --git a/luadebug.h b/luadebug.h
new file mode 100644
index 00000000..1d198466
--- /dev/null
+++ b/luadebug.h
@@ -0,0 +1,19 @@
+/*
+** LUA - Linguagem para Usuarios de Aplicacao
+** Grupo de Tecnologia em Computacao Grafica
+** TeCGraf - PUC-Rio
+** $Id: $
+*/
+
+
+#ifndef luadebug_h
+#define luadebug_h
+
+#include "lua.h"
+
+lua_Object lua_stackedfunction(int level);
+void lua_funcinfo (lua_Object func, char **filename, char **funcname,
+                    char **objname, int *linedefined);
+
+
+#endif