/* Code for exercise 11.10. |  | "C++ Solutions--Companion to The C++ Programming Language, Third Edition" | by David Vandevoorde; Addison-Wesley 1998; ISBN 0-201-30965-3. | | Permission to use, copy, modify, distribute and sell this software | and its documentation for any purpose is hereby granted without fee. | The author makes no representations about the suitability of this | software for any purpose.  It is provided "as is" without express or | implied warranty. `----------------------------------------------------------------------*/#include "str.hpp"#include <stdio.h>inline char const* String::c_string() const {   return rep->s;}int main() {   String s("Hello, World!");   printf("%s\n", s.c_string());   return 0;}