fig05_11.cpp

《c＋＋大学教程》源码

// Fig. 5.11: fig05_11.cpp
// Printing a string one character at a time using
// a non-constant pointer to constant data.
#include <iostream>

using std::cout;
using std::endl;

void printCharacters( const char * );

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

   cout << "The string is:\n";
   printCharacters( phrase );
   cout << endl;

   return 0;  // indicates successful termination

} // end main

// sPtr cannot modify the character to which it points, 
// i.e., sPtr is a "read-only" pointer
void printCharacters( const char *sPtr )
{
   for ( ; *sPtr != '\0'; sPtr++ )   // no initialization
      cout << *sPtr;

} // end function printCharacters

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