Subj : Re: varargs(ish)
To   : comp.programming
From : pemo
Date : Sun Aug 21 2005 09:57 am

Yes, I agree that the switch and first param are irrelevant.

Thanks for the vprintf ref, in my 'out' function, I can now use vprintf to 
output to stdout - great.  However, how can I then go on to use fprintf to 
output to a file?  It would seem that vsprintf is the thing to use???

pemo

"Alex Fraser" <me@privacy.net> wrote in message 
news:0MmdnRKoNNHsJZreRVnytA@eclipse.net.uk...
> "pemo" <peet.morris@comlab*ox*ac*uk> wrote in message
> news:kBJNe.92863$G8.76586@text.news.blueyonder.co.uk...
>> I'd like to write a C function that can accept variable args *and* a
>> fixed arg that tells the function whether to output to stdout and
>> optionally, a file.
>
> Your emphasis doesn't make sense. You would have the same problem
> regardless, which is equivalent to:
>
> void out(const char *fmt, ...) {
>    /* somehow call printf() with the correct arguments */
> }
>
> The solution in the above case is to use vprintf() instead.
>
> Alex
>
>

.