/*@-redecl@*/
/*@-incondefs@*/
/*@-namechecks@*/
-extern /*@dependent@*/ /*:open:*/ FILE *yyin;
-extern /*@dependent@*/ /*:open:*/ FILE *yyout;
-extern int yyleng;
+/*@-declundef@*/ /* Might not process grammar files */
+extern /*@dependent@*/ /*@open@*/ FILE *yyin;
+extern /*@dependent@*/ /*@open@*/ /*@unused@*/ FILE *yyout;
+extern /*@unused@*/ int yyleng;
/*@=incondefs@*/
extern int yydebug;
/*@=redecl@*/
+/*@=declundef@*/
/*@=namechecks@*/
extern /*@observer@*/ cstring g_codeFile;