diff -urN VFlib2-2.25.6.ORIG/tools/disol.c VFlib2-2.25.6/tools/disol.c
--- VFlib2-2.25.6.ORIG/tools/disol.c	1998-07-16 13:59:10.000000000 +0900
+++ VFlib2-2.25.6/tools/disol.c	2003-11-10 20:56:24.000000000 +0900
@@ -33,7 +33,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <varargs.h>
+#include <stdarg.h>
 #include "../src/VF.h"
 
 #define CommentLine printf