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Date:	Mon, 23 May 2005 19:58:01 -0700
From:	Yitzchak Scott-Thoennes <sthoenna AT efn DOT org>
To:	cygwin AT cygwin DOT com
Subject:	Re: struct tm problem
Message-ID:	<20050524025800.GB3736@efn.org>
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On Mon, May 23, 2005 at 06:34:21PM +0430, Alireza Ghasemi wrote:
> Hello,
> I have downloaded some c++ libraries and tried to download them.But All of
> them give an error like :
> "'struct tm' has no member called 'tm_gmtoff'"
> (tm is defined as 'time_t t; time(&t);tm* ptm = localtime(&t);')
> I guess that tm should be defined in ctime header.
> What's the problem and what should I do?
> Thanks

tm_gmtoff is not required by the standard:
http://www.opengroup.org/onlinepubs/009695399/basedefs/time.h.html

However, it is an extension available in the Olson tzcode, which
cygwin seems to use.  Enabling it would seem to be a matter of
setting -DTM_GMTOFF=tm_gmtoff and adding it to time.h.

http://cygwin.com/acronyms#PTC

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