/* static.c - tests static variables
 *
 * Example for CS 313
 *
 * There are three variables 'n', all static, and all different.
 */

#include <stdio.h>

int n=0;                /* global n, starting at 0 */

void a()
{
    static int n=0;     /* a's n, starting at 0 */

    n++;
    printf("a: %d\n", n);
}

void b()
{
    static int n=5;     /* b's n, starting at 5 */

    n++;
    printf("     b: %d\n", n);
}

void c()
{
    n++;
    printf("          c: %d\n", n);
}

int main()
{
    a();       b();  c();
    a(); a();  b();  c();
    a();       b();  c(); c(); c(); c();
    return 0;
}

/* output:
a: 1
     b: 6
          c: 1
a: 2
a: 3
     b: 7
          c: 2
a: 4
     b: 8
          c: 3
          c: 4
          c: 5
          c: 6
*/