hmm i got it.....thnx
On Thu, Jun 23, 2011 at 4:05 PM, Piyush Sinha <[email protected]>wrote:
> printf("%d",*power(432)) will expand as
>
> *printf("%d", *"432")*
>
> "432" represents here a string and *"432" is pointing to the first string
> literal i.e 4 whose ascii value is 52..hence the output is 52
>
>
> On Thu, Jun 23, 2011 at 4:02 PM, Shachindra A C <[email protected]>wrote:
>
>> #include<stdio.h>
>> #define power(a) #a
>> int main()
>> {
>> printf("%d",*power(432));
>> return 0;
>> }
>>
>> the printf statement, after preprocessing, will look like
>> printf("%d",*"432");
>>
>> so, when u print the value at the first position of the string, 52, which
>> is the ascii value of 4, will be printed.
>>
>> On Thu, Jun 23, 2011 at 3:40 PM, vaibhav shukla
>> <[email protected]>wrote:
>>
>>> #include<stdio.h>
>>> #define power(a) #a
>>> int main()
>>> {
>>> printf("%d",*power(432));
>>> return 0;
>>> }
>>>
>>>
>>> ans is 52 on gcc. Explain plss
>>>
>>> --
>>> best wishes!!
>>> Vaibhav Shukla
>>> DU-MCA
>>>
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>>
>>
>>
>> --
>> Regards,
>> Shachindra A C
>>
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>
>
>
> --
> *Piyush Sinha*
> *IIIT, Allahabad*
> *+91-8792136657*
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best wishes!!
Vaibhav Shukla
DU-MCA
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