程序代码：

#include <iostream>
#include <cstdlib>
#include <cstring>
using namespace std;

int main()
{
    char ch[] = {'a', 'b', 'c', '\0'};
    char buffer[255];
    for (int i=0; i!=3; ++i)
    {
        strncpy(buffer,&ch[i],4-i);
        cout<<buffer<<endl;
    }
    system("pause");
    return 0;
}

程序代码：

#include <iostream>
using namespace std;
int main(){
    char *st = "abc";
    for(int i = 0; i < strlen(st); i++)
            cout << st + i << endl;
    
    getchar();
    return 0;
}

程序代码：

int main(){
    char *str = "anything";
    while (*str)
        cout << str++ << endl;
    return 0;
}