I/O redirection

[D'Arcy J.M. Cain]

In article <1990Apr2.144841.12905 at mentor.com> swhitchurch at mentor.com (Steve Whitchurch) writes:
>Hi;
>
>I have a question: I need to change or redirect "stdout" from inside
>a C function. What I want to do is capture the output of a printf and
>put the results into a file. so it would go something like this:
>
> redirect_stdout ();
> call_function_that_prints_to_stdout ();
> reset_stdout ();
>
> Is there a way in C that I can do this ?????????? Change where stdout
> goes ???????

It's even easier than you think.  Use fprintf (see printf(3S))

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