Index: uspace/lib/cpp/include/cerrno
===================================================================
--- uspace/lib/cpp/include/cerrno	(revision a1aecb12e1acd6c228cecd2e91a411a9fb169a0c)
+++ uspace/lib/cpp/include/cerrno	(revision 921174cb269d86f4db702137db2e1fd8343c9eca)
@@ -1,4 +1,4 @@
 /*
- * Copyright (c) 2017 Jaroslav Jindrak
+ * Copyright (c) 2018 Jaroslav Jindrak
  * All rights reserved.
  *
@@ -32,11 +32,14 @@
 #include "internal/common.hpp"
 
+namespace std::hel
+{
+    extern "C" {
+        #include <errno.h>
+    }
+}
+
 namespace std
 {
-
-extern "C" {
-#include <errno.h>
-}
-
+    // Note: Only macros are imported here.
 }