Answer Posted / prakash.m

static variables are those which retains the outcoming
value after 'n' iterations(initialized once)

(see below)
#include <stdio.h>

int g = 10;

main(){

int i =0;
void f1();
f1();
printf(" after first call \n");
f1();
printf("after second call \n");
f1();
printf("after third call \n");

}
void f1()
{
static int k=0; //static variable
int j = 10; //auto variable
printf("value of k %d j %d",k,j);
k=k+10;
}


the output will be:

value of k 0 j 10 after first call
value of k 10 j 10after second call
value of k 20 j 10after third call

hope this will help u....

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