程序清单：
//delete.cpp--using the delete operator
#include<iostream>
#include<cstring>  //or string.h
using namespace std;
char * getname(void);  //function prototype
int main()
{
    char * name;  //creat pointer but no storage

    name = getname();  //assign address of string to name
    cout << name << " at " << (int*)name << "\n";
    delete[] name;  //memory freed

    name = getname();  //reuse freed memory
    cout << name << " at " << (int*)name << "\n";
    delete[] name;  //memory freed again
    return 0;
}

char * getname()  //return pointer to new string
{
    char temp[80];  //temporary storage
    cout << "Enter last name: ";
    cin >> temp;
    char * pn = new char[strlen(temp) + 1];
    strcpy_s(pn,5,temp);  //copy string into smaller space

    return pn;  //temp lost when function ends
}