#include <stdio.h>

/* Illustrates the features of the storage class static
     gcc -ansi s*.c -o s	=>  s                   */

static int a = 4;  /* global variable but local to this file */

void f1(void)
{
  static int b = 6;

  ++a;
  ++b;
  printf("From f1: a = %d  b = %d\n", a, b);
}

main()
{
  extern int b;

  f1();
  f1();
  printf("From main-1:  a = %d  b = %d\n", a, b);
  f2();
  f2();
  ++b;
  printf("From main-2:  a = %d  b = %d\n", a, b);
}