Function back_buffer_flip

sys/windows/consoletty.c:815–848

}
#else
static void
back_buffer_flip(void)
{
    cell_t *back = console.back_buffer;
    cell_t *front = console.front_buffer;
    COORD pos;
    DWORD unused;

    if (!console.is_ready)
        return;

    for (pos.Y = 0; pos.Y < console.height; pos.Y++) {
        for (pos.X = 0; pos.X < console.width; pos.X++) {
            if (back->attribute != front->attribute) {
                WriteConsoleOutputAttribute(console.hConOut, &back->attribute,
                                            1, pos, &unused);
                front->attribute = back->attribute;
            }
            if (back->character != front->character) {
                if (console.has_unicode) {
                    WriteConsoleOutputCharacterW(
                        console.hConOut, &back->character, 1, pos, &unused);
                } else {
                    char ch = (char) back->character;
                    WriteConsoleOutputCharacterA(console.hConOut, &ch, 1, pos,
                                                 &unused);
                }
                *front = *back;
            }
            back++;
            front++;
        }
    }
}
#endif

void buffer_fill_to_end(cell_t * buffer, cell_t * fill, int x, int y)