wcout, wfstream в Code Blocks

#include <iostream>
#include <fstream>
#include <Windows.h>
using namespace std;
 
 
int main()
{
    //setlocale(0, "");
    //SetConsoleCP (1251);
    //SetConsoleOutputCP (1251);
 
    char *s[4] = {"upload.txt", "uploadANSI.txt", "uploadUNICOD.txt", "uploadUNICOD BIg.txt"};
    wchar_t *sw[4] = {L"upload.txt", L"uploadANSI.txt", L"uploadUNICOD.txt", L"uploadUNICOD BIg.txt"};
    char buff[500];
    wchar_t wbuff[500];
 
 
    for (int i = 0; i < 4; i++)
    {
        ifstream f(s[i]);
        if (!f.is_open()) cout << "Error!" << endl;
        f.getline(buff, 500);
        cout << s[i] << endl;
        cout << buff << endl;
        f.close();
    }
 
    for (int i = 0; i < 4; i++)
    {
        wfstream fw(sw[i]);
        if(!(fw.is_open()))cout << "Error!" << endl;
        fw.getline(wbuff, 500);
        wcout << sw[i] << L'\n';
        wcout << wbuff << L'\n';
        fw.close();
    }
 
    system("pause");
    return 0;
}

basic_ifsteram();
explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in);
ecplicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
basic_istream(const basic_ifstream&) = delete;
basic_ifstream(basic_ifstream&& rhs);