program8_01.c

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/* Program 8.1 A microscopic program about scope */
#include <stdio.h>
int main(void)
{
  int count1 = 1;                               /* Declared in outer block */

  do
  {
    int count2 = 0;                             /* Declared in inner block */
    ++count2;
    printf("\ncount1 = %d     count2 = %d", count1,count2);
  }while( ++count1 <= 8 );

  /* count2 no longer exists */

  printf("\ncount1 = %d\n", count1);
  return 0;
}