[c++] strlen function

#include <iostream>
#include <cstring>

using namespace std;

int main()
{
    char *name;
    char *name2;


    name = new char[5];
    name = "asdf";

    cout << strlen(name) << endl;

    return 0;
}

- c++ compile하려면 g++

- string library는 #include <cstring>