$NetBSD: patch-ac,v 1.1 2008/08/25 14:46:29 joerg Exp $

--- vbios.h.orig	2005-05-08 19:47:45.000000000 +0000
+++ vbios.h
@@ -16,6 +16,20 @@
 
 #define VBIOS_SIZE 0x10000
 
+#include <sys/types.h>
+#ifdef __linux__
+#include <sys/io.h>
+#endif
+#ifdef __NetBSD__
+#include <machine/pio.h>
+#include <machine/sysarch.h>
+# if defined(__i386__)
+#define iopl(a) i386_iopl(a)
+# elif defined(__x86_64__)
+#define iopl(a) x86_64_iopl(a)
+# endif
+#endif
+
 struct vbios_mode {
     unsigned char mode;
     unsigned char bits_per_pixel;