#include <stdio.h>
#include <windows.h>

int main()
{
    char s[51] = "Prêt pour l'expérience.", t[51];

    CharToOem(s, t);
    printf("%s\n", t);

    return 0;
}

#include <windows.h>

int main()
{
    HANDLE hStdout;
    char s[] = "Hello world !\r\n";
    DWORD dwBytesWritten;
    
    hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
    WriteFile(hStdout, s, (DWORD)strlen(s), &dwBytesWritten, NULL);

    return 0;
}

int CreateWindowWithConsole(HINSTANCE hInstance)
{
    HWND hWnd;
    MSG msg;

    hWnd = CreateWindow( "With Console", "", WS_OVERLAPPEDWINDOW, 100, 100, 100, 100,
                          NULL, NULL, hInstance, NULL );

    ShowWindow(hWnd, SW_SHOWNORMAL);

    if (AllocConsole())
    {
        HANDLE hScreenBuffer;
        char s[] = "Hello world !\r\n";
        DWORD dwBytesWritten;

        hScreenBuffer = CreateFile("CONOUT$", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
        WriteFile(hScreenBuffer, s, (DWORD)strlen(s), &dwBytesWritten, NULL);

        while (GetMessage(&msg, NULL, 0, 0))
        {
            TranslateMessage(&msg);
            DispatchMessage(&msg);
        }

        CloseHandle(hScreenBuffer);
        FreeConsole();
    }

    return 0;
}

void GotoXY(HANDLE hConsoleOutput, SHORT x, SHORT y)
{
    COORD P;
    
    P.X = x;
    P.Y = y;
    
    SetConsoleCursorPosition(hConsoleOutput, P);
}

void cls(HANDLE hConsoleOutput)
{
    CONSOLE_SCREEN_BUFFER_INFO screen;
    COORD Origin = {0, 0};
    DWORD dwScreenSize, dwBytesWritten;
    
    GetConsoleScreenBufferInfo(hConsoleOutput, &screen);
    dwScreenSize = screen.dwSize.X * screen.dwSize.Y;
    
    FillConsoleOutputCharacter(hConsoleOutput, ' ', dwScreenSize, Origin, &dwBytesWritten);

    SetConsoleCursorPosition(hConsoleOutput, Origin);
}