Program to explain Concept of Storage of Variables in memory in c

Program to explain Concept of Storage of Variables in memory in c

#include 
int g = 10;   \\ A
main()
{
    int i =0;  \\ B
    void f1(); \\ C
    f1();             \\ D
    printf(" after first call \n");
    f1();             \\ E
    printf("after second call \n");
    f1();             \\ F
    printf("after third call \n");

}
void f1()
{
    static int k=0;   \\ G
    int j = 10;              \\ H
    printf("value of k %d j %d",k,j);
    k=k+10;
}