diff --git a/CXX/yapie.hh b/CXX/yapie.hh
new file mode 100644
index 000000000..a219275b9
--- /dev/null
+++ b/CXX/yapie.hh
@@ -0,0 +1,16 @@
+
+class YAPEngine;
+class YAPAtom;
+class YAPFunctor;
+class YAPApplTerm;
+class YAPPairTerm;
+class YAPQuery;
+class YAPPredicate;
+
+
+class YAPError {
+public:
+  static const int SYNTAX_ERROR = 0x10000;
+};
+
+