Index: uspace/app/testwrit/testwrit.c
===================================================================
--- uspace/app/testwrit/testwrit.c	(revision 38542dcb2946dff802762528d1ad1190b481d010)
+++ uspace/app/testwrit/testwrit.c	(revision f066a87844b5b81c924cd3bda3e9afda66937cdf)
@@ -32,5 +32,5 @@
 
 #include <stdio.h>
-#include <unistd.h>
+#include <stddef.h>
 
 #define BUF_SIZE  1024