text: #include <cstdio>
  #include <cstdlib>
  #include <string>
  using namespace std;
  
  int main(void)
  {
  	string a = "ABC";
  	printf("&a : %p, %p\n", &a, a.c_str());
  
  	string b(a);
  	printf("&b : %p, %p\n", &b, b.c_str());
  
  	string c = "foo";
  	printf("&c : %p, %p\n", &c, c.c_str());
  
  	c = a;
  	printf("&c': %p, %p\n", &c, c.c_str());
  
  	return EXIT_SUCCESS;
  }
  