1 files changed, 28 insertions, 0 deletions
diff --git a/src/clib/isalpha.c b/src/clib/isalpha.c
new file mode 100644
index 00000000..6bf1ffb7
--- /dev/null
+++ b/src/clib/isalpha.c
@@ -0,0 +1,28 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 2005, 2012 Oracle and/or its affiliates.  All rights reserved.
+ *
+ * $Id$
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+/*
+ * isalpha --
+ *
+ * PUBLIC: #ifndef HAVE_ISALPHA
+ * PUBLIC: int isalpha __P((int));
+ * PUBLIC: #endif
+ */
+int
+isalpha(c)
+	int c;
+{
+	/*
+	 * Depends on ASCII-like character ordering.
+	 */
+	return ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') ? 1 : 0);
+}