Import BSDDB 4.7.25 (as of svn r89086)

clib/isdigit.c

@@ -0,0 +1,28 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 2005,2008 Oracle.  All rights reserved.
+ *
+ * $Id: isdigit.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+
+/*
+ * isdigit --
+ *
+ * PUBLIC: #ifndef HAVE_ISDIGIT
+ * PUBLIC: int isdigit __P((int));
+ * PUBLIC: #endif
+ */
+int
+isdigit(c)
+	int c;
+{
+	/*
+	 * Depends on ASCII-like character ordering.
+	 */
+	return (c >= '0' && c <= '9' ? 1 : 0);
+}