Re: printf *%f

On Wed, Jan 12, 2011 at 2:32 PM, Bert Wesarg <[email protected]> wrote:
> On Wed, Jan 12, 2011 at 09:59, Fei Zhao <[email protected]> wrote:
>> I mean's that when to use printf("%*.*f" , 4, 2 , x) ; in linux kernel or
>> our practical use?

If you want to control the format dynamically.
scanf("%d" , &first);
scanf("%d" , %second);
printf("%*.*f", first ,second , x);

> I don't know when you want to use such calls, how should I? And what
> has the linux kernel to do with this, this doesn't came up before, and
> what is '*our* practical use'?
>
> Bert
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