I think you are right about p being in BSS segment and it does last even
the function finishes, however, you may need a pointer to get the data out
of p. Then you can read the data.
Correct me if i am wrong
On Mon, Feb 6, 2012 at 1:04 PM, Ravi Ranjan <ravi.cool2...@gmail.com> wrote:
> i have a confusion in it
>
> #include <stdio.h>
> #include <stdlib.h>
>
>
> void add(int,int);
>
> int main(int argc, char *argv[])
> {
>
> add(6,3);
> printf("%d",p);
>
> system("PAUSE");
> return 0;
> }
>
>
> void add(int a, int b)
> {
> static int p;
> p = a+ b;
> }
>
>
> here the memory layout says variable "p" is in BSS segment ... so its an
> independent region from stack frame..... when the function looses its scope
> from function defination(add) then still it should be alive... and can be
> recognized/used by other function(main).... but it gves an error of unknown
> variable "p"..... need the correct logic....... if i m wrong...
>
> thanx
> ravi
>
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