From owner-freebsd-questions  Tue Sep 12 12:30:58 2000
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Date: Tue, 12 Sep 2000 15:27:12 -0400 (EDT)
From: Zhihui Zhang <zzhang@cs.binghamton.edu>
To: freebsd-questions@freebsd.org
Subject: Re: where is system() implemented?
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On Tue, 12 Sep 2000, Zhihui Zhang wrote:

> 
> The library call __system() is implemented in lib/libc/stdlib/system.c.
> But we normally use it as system() without the two preceding '_'
> characters. Where is the magic done to add the "__" in the source code?  
> Thanks.

It turns out to have something to do with the so-called weak symbols.

-Zhihui



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