Subj : Re: Really **wonderful** website for C interview questions!!!!!
To   : comp.programming
From : CBFalconer
Date : Tue Jul 05 2005 03:52 am

Robert Bunn wrote:
> 
.... snip ...
> 
> Anyway, can I have a hint? *Is* there some use for "!!"?

It converts any integral value into one of 0 or 1.

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