Index: uspace/lib/cpp/include/cstdlib
===================================================================
--- uspace/lib/cpp/include/cstdlib	(revision c735afb91b560262eba129b63224deeed8037d5a)
+++ uspace/lib/cpp/include/cstdlib	(revision 10d65d70906a865fb116576edc88e47ab61a5fb4)
@@ -36,4 +36,5 @@
     extern "C" {
         #include <stdlib.h>
+        #include <_bits/ssize_t.h>
     }
 }