--- ucspi-tcp-0.88-vanilla/error.h	2000-03-18 10:18:42.000000000 -0500
+++ ucspi-tcp-0.88-patched/error.h	2004-07-05 01:50:19.000000000 -0400
@@ -1,7 +1,8 @@
 #ifndef ERROR_H
 #define ERROR_H
 
-extern int errno;
+/* extern int errno; */
+#include <errno.h>
 
 extern int error_intr;
 extern int error_nomem;