--- src/sed/lib/utils.h.orig	2017-07-18 19:08:55 UTC
+++ src/sed/lib/utils.h
@@ -17,6 +17,8 @@
     Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
 
 #include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 
 #include "basicdefs.h"