diff --git a/gdb/varobj.h b/gdb/varobj.h
index 519fb391351..fd56f891740 100644
--- a/gdb/varobj.h
+++ b/gdb/varobj.h
@@ -114,4 +114,6 @@ extern int varobj_update (struct varobj **varp, struct varobj ***changelist,
 
 extern void varobj_invalidate (void);
 
+extern int varobj_editable_p (struct varobj *var);
+
 #endif /* VAROBJ_H */