Re: printf *%f

Use "%.*f" for Float    (its ".*" not "*")
and "%*d" for int

On Wed, Jan 12, 2011 at 3:22 PM, Aniruddha Bhattacharyya
<[email protected]> wrote:
>
>
> Use "%.*f" for Float    (its ".*" not "*")
> and "%*d" for int
>
> Ref: http://www.cplusplus.com/reference/clibrary/cstdio/printf/
>
> On Wed, Jan 12, 2011 at 2:44 PM, ratheesh k <[email protected]> wrote:
>>
>> 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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