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Message-ID:	<3FB36D8F.9090807@cs.york.ac.uk>
Date:	Thu, 13 Nov 2003 11:39:59 +0000
From:	chris jefferson <caj AT cs DOT york DOT ac DOT uk>
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To:	Christian Rudiger <christianruediger AT gmx DOT net>
CC:	cygwin AT cygwin DOT com
Subject:	[OT] Re: g++ libcygwin.a has an undefined reference
References:	<c8cn3t$21u$1 AT sea DOT gmane DOT org> <00ae01c43cbf$d7d88d50$350aa8c0 AT pavilion> <c8cnvd$4bp$1 AT sea DOT gmane DOT org>
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Christian Rudiger wrote:

> Hello Al,
>
> thank you, it worked.
> i putted one at the end of the program just writing :
>
> }; // end of class
> int main(){}
>
> why does that work? I think thats strange.
>
> Regards Christian Rudiger

<snip>

I thought I would post this to the list, because it's nice to have 
complete dicussions for archive reasons.

All programs in standard C++ should have a function called main 
(sometimes this function has a different name, for example in windows 
GUI programming I believe it is called WinMain). This is the function 
which is called when your program starts, and so must be present. I 
suspect you are perhaps coming from a java background and may be 
misunderstanding program structure in C++. This is however unrelated to 
cygwin, so will not be discussed further. You perhaps need to go and get 
a book or guide to c++?

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