/* Generic ctype.h */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998,1999 The OpenLDAP Foundation, Redwood City, California, USA
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted only
+ * as authorized by the OpenLDAP Public License. A copy of this
+ * license is available at http://www.OpenLDAP.org/license.html or
+ * in file LICENSE in the top-level directory of the distribution.
+ */
#ifndef _AC_CTYPE_H
#define _AC_CTYPE_H
#include <ctype.h>
+#undef TOUPPER
+#undef TOLOWER
+
#ifdef C_UPPER_LOWER
# define TOUPPER(c) (islower(c) ? toupper(c) : (c))
-# define TOLOWER(c) (islower(c) ? toupper(c) : (c))
+# define TOLOWER(c) (isupper(c) ? tolower(c) : (c))
#else
# define TOUPPER(c) toupper(c)
# define TOLOWER(c) tolower(c)