Dummy module should also show how to define constants

modules/dummy/dummy.h

@@ -10,9 +10,16 @@
 /* Forward reference & declaration */
 PH7_PRIVATE sxi32 initializeModule(ph7_vm *pVm, ph7_real *ver, SyString *desc);
 
+/* Constants provided by DUMMY module */
+static void PSHARP_DUMMY_CONSTANT_Const(ph7_value *pVal, void *pUserData);
+
 /* Functions provided by DUMMY module */
 int psharp_dummy_function(ph7_context *pCtx, int nArg, ph7_value **apArg);
 
+static const ph7_builtin_constant dummyConstList[] = {
+	{"DUMMY_CONSTANT",           PSHARP_DUMMY_CONSTANT_Const},
+};
+
 static const ph7_builtin_func dummyFuncList[] = {
 	{"dummy_function",    psharp_dummy_function },
 };