Index: uspace/lib/cpp/include/cstddef
===================================================================
--- uspace/lib/cpp/include/cstddef	(revision b1cd380cbb7bcbf6d119599dc443c6b58ead8a14)
+++ uspace/lib/cpp/include/cstddef	(revision ac47ba957b0fd60cd29f9d2ec4c9e058f7af37d3)
@@ -39,4 +39,6 @@
 }
 
+using nullptr_t = decltype(nullptr);
+
 }