diff -ru wipe-2.1.0.orig/rand.c wipe-2.1.0/rand.c
--- wipe-2.1.0.orig/rand.c	2002-02-03 03:29:25.000000000 +0100
+++ wipe-2.1.0/rand.c	2003-02-18 09:30:45.000000000 +0100
@@ -25,6 +25,7 @@
 #include <fcntl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+#include <errno.h>
 
 #include "std.h"
 #include "io.h"