* as EOF so we will loop around again. If no Ctrl signal handlers
     * have been established, the default signal OS handler in a separate
     * thread will terminate the program. If a Ctrl signal handler
     * has been established (through an extension for example), it
     * will run and take whatever action it deems appropriate.
     */
    do {
        result = ReadConsole(hConsole, lpBuffer, nbytes / sizeof(WCHAR), &ntchars,
        result = ReadConsoleW(hConsole, lpBuffer, nbytes / sizeof(WCHAR), &ntchars,
                             NULL);
    } while (result && ntchars == 0 && GetLastError() == ERROR_OPERATION_ABORTED);
    if (nbytesread != NULL) {
	*nbytesread = ntchars * sizeof(WCHAR);
    }
    return result;
}

static BOOL
WriteConsoleBytes(
    HANDLE hConsole,
    const void *lpBuffer,
    DWORD nbytes,
    LPDWORD nbyteswritten)
{
    DWORD ntchars;
    BOOL result;

    result = WriteConsole(hConsole, lpBuffer, nbytes / sizeof(WCHAR), &ntchars,
    result = WriteConsoleW(hConsole, lpBuffer, nbytes / sizeof(WCHAR), &ntchars,
	    NULL);
    if (nbyteswritten != NULL) {
	*nbyteswritten = ntchars * sizeof(WCHAR);
    }
    return result;
}