#include<iostream>
#include<cstring>
using namespace std;
int main()
{
    const char *cp1="hello world";
    const char *cp2="thank you very much";
    strcat(cp1,cp2);
    cout<<cp1<<endl;
    return 0;
}//总是出现：'strcat' : cannot convert parameter 1 from 'const char *' to 'char *'