String conversion

標題：C/C++字串轉換
VC++ (main.cpp)：

#include "stdafx.h"
#include <iostream>
#include <string>
#include <sstream> //ostringstream
using namespace std;

int _tmain(int argc, _TCHAR* argv[])
{
    //Character Sequences
    //char c[13] = "CharVariable";
    char c[13] = {'C', 'h', 'a', 'r', 'V', 'a', 'r', 'i', 'a', 'b', 'l', 'e', '\0'};

    //Pointer
    char *p = "Pointer";

    //Class
    string s = "String";

    //String to Char
    strcpy(c, s.c_str());
    cout << c << endl;
    
    //Char to String
    s.assign(c);
    cout << s << endl;

    //Pointer to Char
    strcpy(c, p);
    cout << c << endl;

    //Char to Pointer
    p = &c[0];
    cout << p << endl;

    //String to Float
    float num1 = 0.0f;
    s = "233.42";
    num1 = atof(s.c_str());
    cout << num1 << endl;

    //Float to String
    float num2 = 233.42f;
    ostringstream buffer;
    buffer << num2;
    s = buffer.str();
    cout << s << endl;
    
    return 0;
}

說明：
字元陣列、指標字串、VC字串，互相轉換。