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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?
Message-ID:  <Pine.SOL.4.21.0009121526220.24345-100000@sol.cs.binghamton.edu>
In-Reply-To: <Pine.SOL.4.21.0009121046160.22903-100000@sol.cs.binghamton.edu>

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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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