strtok--字符串处理

#include<iostream>
#include<string.h>
using namespace std;
int main ()
{
    char sentence []= "this is a sentence with 7 tokens";
    cout <<"this string to be tokenized is "<<endl<<sentence<<endl;
    char *tokenp=strtok(sentence," ");
    while (tokenp)
    {
    cout <<tokenp<<endl;
    tokenp=strtok(NULL," ");
    //cout <<sentence<<endl;
    }
    cout <<"after strtok sentence ="<<sentence<<endl;
    return 0;
}