// Printing a string one character at a time using
// a non-constant pointer to constant data
#include <iostream.h>

void printCharacters(const char *);

main()
{
   char string[] = "print characters of a string";

   cout << "The string is:" << endl;
   printCharacters(string);
   cout << endl;
   return 0;
}

// In printCharacters, sPtr is a pointer to a character constant.
// Characters cannot be modified through sPtr 
// (i.e., sPtr is a "read-only" pointer).
void printCharacters(const char *sPtr)
{
   for ( ; *sPtr != '\0'; sPtr++)   // no initialization
      cout << *sPtr;
}