COMM-DRV++ is a professional C/C++ serial communication class library for Windows XP, Windows 2000, Windows NT, Windows ME Windows 98, Windows 95. It support both Microsoft Visual C/++ and Borland C++ compilers. Xmodem, Ymodem, Zmodem file transfer protocols are provided. All Hayes compatible modems are supported. Serial stream token/string lookup is also included. All baudrates provided by the underlying hardware is supported.