From: Weiqi Gao <weiqigao AT a DOT crl DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: redirecting stdout from within a DJGPP program
Date: Tue, 03 Nov 1998 00:33:01 -0600
Organization: CRL Network Services
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To: djgpp AT delorie DOT com
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Mapson wrote:
> 
> There is one point in my program where I call another program (using
> system("program.exe") ), and I am interested in redirecting (and
> silencing at the console) the output of that program to a file I
> already have opened for output. This is something I'd previously done
> in a batch file with ">>"
> 
> freopen() basically works, but it doesn't silence the output to the
> console. Is there a better way?

A non-standard way is to do a:
  int fd;
  close(1);
  fd = open("yourfile", O_WRONLY | O_CREAT | O_APPEND);
on start up of your program.  That way fd will be 1, which is stdout to
most programs.

-- 
Weiqi Gao
weiqigao AT a DOT crl DOT com