i didn't got .. !! please explain some more.. On 2/7/12, sumit mahamuni <[email protected]> wrote: > Hello, > > Here you are right about variable p in add function that it retains it's > value even though function loses its scope. And for main function error you > are seeing has nothing to do with how that variable is stored? > It is about the scope of that variable C compiler sees the scope of static > variable p limited to add function only, so other function can't use it. > And remember error is at compile time not run time so it is related to > compiler not memory. I hope it explains everything. > > On Tue, Feb 7, 2012 at 9:43 AM, atul anand <[email protected]> wrote: > >> http://www.geeksforgeeks.org/archives/14268 >> >> >> On Tue, Feb 7, 2012 at 1:06 AM, [email protected] >> <[email protected]>wrote: >> >>> 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 >>> <[email protected]>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 >>>> >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Algorithm Geeks" group. >>>> To post to this group, send email to [email protected]. >>>> To unsubscribe from this group, send email to >>>> [email protected]. >>>> For more options, visit this group at >>>> http://groups.google.com/group/algogeeks?hl=en. >>>> >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to [email protected]. >>> To unsubscribe from this group, send email to >>> [email protected]. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to [email protected]. >> To unsubscribe from this group, send email to >> [email protected]. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > > > -- > Thanks and Regards, > Sumit Mahamuni. > > -- Slow code that scales better can be faster than fast code that doesn't > scale! > -- Tough times never lasts, but tough people do. > -- I love deadlines. I like the whooshing sound they make as they fly by. - > D. Adams > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > >
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