$OpenBSD: patch-ext_sockets_conversions_c,v 1.1.1.1 2013/08/07 16:46:56 robert Exp $
--- ext/sockets/conversions.c.orig.port	Sun Jul 28 11:33:13 2013
+++ ext/sockets/conversions.c	Sun Jul 28 11:34:16 2013
@@ -16,6 +16,9 @@
 # include <sys/un.h>
 # include <sys/ioctl.h>
 # include <net/if.h>
+# if defined(__OpenBSD__)
+#   include <sys/uio.h>
+# endif
 #else
 # include <win32/php_stdint.h>
 #endif
