$OpenBSD: patch-ncgen3_ncgenyy_c,v 1.2 2020/04/04 19:26:43 cwen Exp $

Index: ncgen3/ncgenyy.c
--- ncgen3/ncgenyy.c.orig
+++ ncgen3/ncgenyy.c
@@ -1081,8 +1081,6 @@ char *yytext;
    We include lexical definitions for all three, but use the second version.
 */
 
-extern int fileno(FILE*);
-
 /* lex specification for tokens for ncgen */
 
 /* Fill value used by ncdump from version 2.4 and later.  Should match
