Easy to use professional serial communication C++ class library for Windows XP, Windows 2000, Windows Me, Windows 98, & Windows 95. Includes the ZModem, YModem, & XModem file transfer protocols. Supports Microsoft Visual C++ & Borland C++. Supports any number of ports running concurrently. Supports any device that has a Windows serial communication driver (multiport card, USB comm hubs, modems, etc.)