--- smdev.c	2014-09-29 10:55:09.000000000 +0000
+++ smdev.c.fixed	2024-01-16 14:06:19.054325378 +0000
@@ -1,7 +1,7 @@
 /* See LICENSE file for copyright and license details. */
 #include <sys/ioctl.h>
 #include <sys/stat.h>
-#include <sys/types.h>
+#include <sys/sysmacros.h>
 
 #include <linux/sockios.h>
 #include <linux/if_packet.h>