union A{
long int y[5];
union B{
double g;
union C{
int k;
union D{
char ch;
int x[5];
};
};
};
};
just removed the instances of unions from the given declaration and
tested on dev
A 20
B 8
C 4
D 20
On Sat, Dec 8, 2012 at 6:39 PM, shiv narayan <[email protected]>wrote:
> but when i compile it on Dev C it gives 24..whats the reason ?
>
>
> On Fri, Dec 7, 2012 at 7:19 AM, Don <[email protected]> wrote:
>
>> The actual size is system dependent because the language doesn't
>> specify the size of int or long int.
>> I'll assuming the common convention that sizeof(int)=4 and sizeof(long
>> int)=8.
>> The size of a union is the size of the largest element in the union.
>> So sizeof(D) = 5*sizeof(int)=20
>> C and B will be the same, because there is nothing bigger in any of
>> them.
>> sizeof(A) will be 40 which is the size of an array of eight long ints.
>> Don
>>
>>
>> On Dec 7, 5:42 am, zerobyzero <[email protected]> wrote:
>> > what will be the size of union A ,B,C and D. also please explain the
>> logic.
>> >
>> > * union A{*
>> > * long int y[5];*
>> > * union B{*
>> > * double g;*
>> > * union C{*
>> > * int k;*
>> > * union D{*
>> > * char ch;*
>> > * int x[5];*
>> > * }s;*
>> > * }a;*
>> > * }b;*
>> > * }*p;*
>>
>> --
>>
>>
>>
>
>
> --
> Shiv Narayan Sharma
> Jt. Secretary CSI-DTU
> +919971228389
> www.jugadengg.com
>
>
>
> --
>
>
>
--
Regards,
Aashish Mann
--
