--- flex-2.5.4/skel.c.skel	Wed Aug 25 14:02:51 1999
+++ flex-2.5.4/skel.c	Wed Aug 25 14:03:16 1999
@@ -454,7 +454,7 @@
   "YY_DECL",
   "	{",
   "	register yy_state_type yy_current_state;",
-  "	register char *yy_cp, *yy_bp;",
+  "	register char *yy_cp = NULL, *yy_bp = NULL;",
   "	register int yy_act;",
   "",
   "%% user's declarations go here",