bool continuer = true;
    while( continuer )
    {
        SDL_Event event;
        SDL_WaitEvent( &event );
        switch( event.type )
        {
            case SDL_QUIT:
                continuer = false;
                break;

            case SDL_KEYDOWN:
                switch( event.key.keysym.sym )
                {
                    case SDLK_ESCAPE:
                        continuer = false;
                        break;
                }
                break;
        }
    }