Index: uspace/lib/cpp/include/cstddef
===================================================================
--- uspace/lib/cpp/include/cstddef	(revision a1aecb12e1acd6c228cecd2e91a411a9fb169a0c)
+++ uspace/lib/cpp/include/cstddef	(revision 6d4e0d92c73f578fbb595ffab99afef6acdd24c5)
@@ -39,4 +39,6 @@
 }
 
+using nullptr_t = decltype(nullptr);
+
 }