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Message-ID:	<e38a8c41-aaaa-5ca5-04fc-dfb36ebf2377@cs.umass.edu>
Date:	Tue, 7 Feb 2023 07:31:51 +1100
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Subject:	Re: [FEEDBACK] Issue with fd_set, FD_ZERO, FD_SET, FD_SETSIZE : Cygwin
To:	Yeo Kai Wei <yeokaiwei AT hotmail DOT com>, cygwin AT cygwin DOT com
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From:	Eliot Moss via Cygwin <cygwin AT cygwin DOT com>
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On 2/7/2023 7:25 AM, Yeo Kai Wei via Cygwin wrote:
> Hi,
> 
> I would like to report an issue with Cygwin 3.4.2 on Windows.
> 
> It doesn't seem to be able to work with  fd_set, FD_ZERO, FD_SET, FD_SETSIZE macros.
> 
> The code is in italics. The filename was selectStdIn.c. The terminal command used was "gcc -o 
> selectStdIn selectStdIn.c"
> 
> Thank you.

My guess is that those fd set things aren't POSIX, and cygwin tries to model POSIX.

Comments at the top of /usr/include/sys/select.h suggest that.

-- Eliot Moss

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