/*****************************************************************************
- * RRDtool 1.3rc2 Copyright by Tobi Oetiker, 1997-2008
+ * RRDtool 1.3.2 Copyright by Tobi Oetiker, 1997-2008
* This code is stolen from rateup (mrtg-2.x) by Dave Rand
*****************************************************************************
* diff calculate the difference between two very long integers available as
*
*****************************************************************************/
+#include <ctype.h>
#include "rrd_tool.h"
double rrd_diff(