Index: ncgen/ncgenl.c
--- ncgen/ncgenl.c.orig
+++ ncgen/ncgenl.c
@@ -1439,8 +1439,6 @@ char *yytext;
 #include "ncgeny.h"
 #include "isnan.h"
 
-EXTERNL int fileno(FILE*);
-
 #define FILL_STRING "_"
 #define XDR_INT32_MIN (-2147483647-1)
 #define XDR_INT32_MAX 2147483647
