copying branch over from other 2013 repo
diff --git a/aos/common/byteorder.h b/aos/common/byteorder.h
index 3444f98..87ef39a 100644
--- a/aos/common/byteorder.h
+++ b/aos/common/byteorder.h
@@ -4,6 +4,7 @@
 #ifndef __VXWORKS__
 #include <endian.h> // endian(3)
 #endif
+#include <string.h>
 
 // Contains functions for converting between host and network byte order for
 // things other than 16/32 bit integers (those are provided by byteorder(3)).