[LCP]struct & union
Chirag Kantharia
chyrag at yahoo.com
Mon Feb 4 15:54:10 UTC 2002
On Mon, Feb 04, 2002 at 10:12:31AM +0530, shahnavaz wrote:
| Can someone tell me why the sizeof returns 4 in the main function.Even if i
| use int in place of float it returns 4.
Because sizeof(int) is 4 (at least on linux on i386). And sizeof a union
is the max size of the members within.
| #include<stdio.h>
| struct s{
| float data;
| };
| struct c{
| float c;
| };
| typedef union {
| struct s ss;
| struct c cc;
| }Union;
|
| int main(void)
| {
| Union u;
| printf("Size of Union is %d\n",sizeof(u));
| return 0;
| }
chyrag.
--
Chirag Kantharia, symonds.net/~chyrag/
Linux scrooge 2.4.17 #1 Wed Jan 16 17:07:25 IST 2002 i686 unknown
More information about the linuxCprogramming
mailing list