===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/doas/parse.y,v
retrieving revision 1.3
retrieving revision 1.4
diff -u -r1.3 -r1.4
--- src/usr.bin/doas/parse.y	2015/07/16 22:33:01	1.3
+++ src/usr.bin/doas/parse.y	2015/07/16 23:02:56	1.4
@@ -1,4 +1,4 @@
-/* $OpenBSD: parse.y,v 1.3 2015/07/16 22:33:01 zhuk Exp $ */
+/* $OpenBSD: parse.y,v 1.4 2015/07/16 23:02:56 nicm Exp $ */
 /*
  * Copyright (c) 2015 Ted Unangst <tedu@openbsd.org>
  *
@@ -44,6 +44,10 @@
 struct rule **rules;
 int nrules, maxrules;
 
+void yyerror(const char *, ...);
+int yylex(void);
+int yyparse(void);
+
 %}
 
 %token TPERMIT TDENY TAS TCMD
@@ -143,11 +147,7 @@
 	va_list va;
 
 	va_start(va, fmt);
-	fprintf(stderr, "doas: ");
-	vfprintf(stderr, fmt, va);
-	fprintf(stderr, "\n");
-	va_end(va);
-	exit(1);
+	verrx(1, fmt, va);
 }
 
 struct keyword {