Index: lib/RKC/rkc.c
--- lib/RKC/rkc.c.orig
+++ lib/RKC/rkc.c
@@ -254,5 +254,5 @@ int	clientcx, type ;
 int RkwSetUserInfo pro((char *, char *, char *));
 
-RkUserInfo *uinfo;
+extern RkUserInfo *uinfo;
 
 int
