--- src/sys/sys/types.h	2008/05/28 10:37:25	1.21
+++ src/sys/sys/types.h	2008/06/18 09:36:07	1.22
@@ -197,6 +197,7 @@ typedef __timer_t	timer_t;
 #ifdef __BSD_VISIBLE
 
 #include <sys/fd_set.h>
+#include <sys/_timeval.h>
 
 #define NBBY 8		/* number of bits in a byte */
 /*