静态存储类

#include <stdio.h>

/* function declaration */
voID func(voID);

static int count = 5; /* global variable */

main() {

   while(count--) {
      func();
   }

   return 0;
}

/* function deFinition */
voID func( voID ) {

   static int i = 5; /* local static variable */
   i++;

   printf("i is %d and count is %d\n", i, count);
}