diff --git a/Include/cobject.h b/Include/cobject.h
index 499dfad..4e24d7d 100644
--- a/Include/cobject.h
+++ b/Include/cobject.h
@@ -48,6 +48,15 @@
 /* Modify a C object. Fails (==0) if object has a destructor. */
 PyAPI_FUNC(int) PyCObject_SetVoidPtr(PyObject *self, void *cobj);
 
+
+typedef struct {
+    PyObject_HEAD
+    void *cobject;
+    void *desc;
+    void (*destructor)(void *);
+} PyCObject;
+
+
 #ifdef __cplusplus
 }
 #endif