Re: structure size

[Helmut Djurkin <djh@tscheinig.com>]

hi,
it's the alignment.

with gcc and this:
struct node {
	/* member here */
} __attribute__((packed));

you will get the your "collective sizes".


Mohammed Khalid Ansari wrote:
> Hi,
> 
> why the sizeof sturcture is alway greater than the collective sizes of all 
> the elements in it.
> 
> eg
> struct node {
> 	int	a;
> 	char	c;
> 	int	b;
> };
> 
> int main()
> {
> 	printf ("%d\n", sizeof (struct node));
> 	return 0;
> }
> 
> 
> it prints 12 in my case.
> 
> where is the catch.
>