diff --git a/Include/abstract.h b/Include/abstract.h
index 6d40ef7..d2e9682 100644
--- a/Include/abstract.h
+++ b/Include/abstract.h
@@ -1232,6 +1232,9 @@
 
 PyAPI_FUNC(int) _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls);
 
+PyAPI_FUNC(char *const *) _PySequence_BytesToCharpArray(PyObject* self);
+
+PyAPI_FUNC(void) _Py_FreeCharPArray(char *const array[]);
 
 #ifdef __cplusplus
 }