$OpenBSD$
--- io.h.orig	Tue Dec 20 21:22:14 2005
+++ io.h	Tue Dec 20 21:23:06 2005
@@ -6,10 +6,11 @@
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <sys/time.h>
+#include <string.h>
+#include <unistd.h> /* fot [s]size_t */
 #ifdef HAVE_SYS_SELECT_H
 # include <sys/select.h>
 #endif
-#include <unistd.h> /* fot [s]size_t */
 #include <pthread.h>
 #ifdef HAVE_CURL
 # include <curl/curl.h>
