FW: days difference software

[Olson, Arthur David (NIH/NCI) [E]]

I'm forwarding this message from Mike Berger, who is not on the time zone mailing list. Those of you who are on the list, please direct replies appropriately.

				--ado

-----Original Message-----
From: news [mailto:news at ger.gmane.org] On Behalf Of Mike -- EMAIL IGNORED
Sent: Friday, September 25, 2009 11:01
To: tz at lecserver.nci.nih.gov
Subject: days difference software

I am looking for software in C or C++ for
use in a Linux system that computes the 
number of days between two dates.  It must
work at lease from 1900 to present.

Thanks for your advice,.
Mike.