const2.cpp

visual c++源码一定对你有一定的帮助

#include    <stdio.h>
#include    <iostream.h>
#include    <string.h>

const char *Network = "A network can be loosely defined "\
                      "as the hardware and software that "\
                      "allow two entities to communicate.";
char *str1 = (char *) Network;
char *str2 = (char *) Network;

int main ()
{
    char *s = strstr (str1, " two");
    if (s != NULL)
        strcpy (s, " 2 entities to communicate");
    cout << str1 << endl;
    cout << str2 << endl;
    return (0);
}