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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