diff -ruN howl-1.0.0-old/src/lib/howl/Posix/posix_interface.c howl-1.0.0-new/src/lib/howl/Posix/posix_interface.c
--- howl-1.0.0-old/src/lib/howl/Posix/posix_interface.c	2005-05-19 23:39:27.000000000 +0200
+++ howl-1.0.0-new/src/lib/howl/Posix/posix_interface.c	2007-01-07 23:56:54.000000000 +0100
@@ -41,6 +41,7 @@
 typedef __uint32_t 	u32;
 typedef __uint16_t 	u16;
 typedef __uint8_t		u8;
+#	include <linux/types.h>
 #	include <linux/sockios.h>
 #	include <linux/ethtool.h> 
 #endif
