#include <stdio.h>


int main(int argc, char *argv[])
{
    int i = 4;

    printf(" i = %d\n", i );  // Print i (= 4)

    *(&i) = 9999;             // * and &  are each other's reverse !
    printf(" i = %d\n", i );  // Print i again (= 9999) !
}