// foo.cc

#include <iostream>
using namespace std;

int main(void)
{
   char cheese[10]="Cheddar";
   char bread[10]="Rye";
   char condiment[10]="Mayo";
   char side[10]="Pickle";
   
   char *p = cheese;
   const char *q = bread;
   char * const r = condiment;
   const char * const s = side;
   

   cout << p << endl;
   cout << q << endl;
   cout << r << endl;
   cout << s << endl;

   // where some extra code might go

#include "foo1.cc"

   cout << p << endl;
   cout << q << endl;
   cout << r << endl;
   cout << s << endl;

}