int tcharsize = sizeof(TCHAR);

    /*
     * If user types a Ctrl-Break or Ctrl-C, ReadConsole will return
     * success with ntchars == 0 and GetLastError() will be
     * ERROR_OPERATION_ABORTED. We do not want to treat this case
     * as EOF so we will loop around again. If no Ctrl signal handlers
     * have been established, the default signal OS handler in a separate 
     * 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 / tcharsize, &ntchars,
                             NULL);