/* Demonstrate scoping rules with a simple example
   Emad Arasteh
   October 31, 2019
*/

#include <stdio.h>

int foo = 42;

void print()
{
  printf("4. Value of foo in print() is: %d\n", foo);
}

int main()
{
  int foo = 1;

  printf("1. Value of foo in main() is: %d\n", foo);

  {
    int foo = 2;
    printf("2. Value of foo in block is: %d\n", foo);
  }

  printf("3. Value of foo in main() is %d\n", foo);

  print();

  return 0;
}