1/*-
2 * See the file LICENSE for redistribution information.
3 *
4 * Copyright (c) 2005,2008 Oracle.  All rights reserved.
5 *
6 * $Id: isdigit.c,v 1.5 2008/01/08 20:58:08 bostic Exp $
7 */
8
9#include "db_config.h"
10
11#include "db_int.h"
12
13/*
14 * isdigit --
15 *
16 * PUBLIC: #ifndef HAVE_ISDIGIT
17 * PUBLIC: int isdigit __P((int));
18 * PUBLIC: #endif
19 */
20int
21isdigit(c)
22	int c;
23{
24	/*
25	 * Depends on ASCII-like character ordering.
26	 */
27	return (c >= '0' && c <= '9' ? 1 : 0);
28}
29