professional serial communication library - dll for windows & msdos libraries. features: * state-driven file transfer libraries allow xmodem, ymodem, and zmodem(w/ crash recovery) file transfers on multiple ports at the same time. * built-in hardware and software handshaking for flow control (dtr/dsr, rts/cts, xon/xoff). * asynchronously call user's c/c++ or assembly functions on any serial communication or timed event (receive, transmit, modem, or status change interrupt event, buffer count events, specific character reception, error events, and much more). * automatic uart type detection; 16650, 16550 support (including fifo). * support baud rates in excess of 115,200 baud, with the ability to use today's high-powered communications devices. * completely port re-entrant, allowing it to be time-sliced. * complete manual in help/hypertext format. hardcopy available. * extensive statistics on every port(bytes lost, sent, received, errors, etc.). * only library that really allows you to combine different multiport card in one pc under msdos including digiboard, arnet, boca research, gtek, etc. * very easy to use (short learning curve). * same api for windows and msdos. * extensive set of examples. supports: * microsoft visual c/c++, borland c/c++, access, visual basic, professional basic, quickbasic, & all compilers & tools that can call dlls (e.g. labview, delphi, etc). * virtually all hayes compatible modems. * any number of ports running concurrently * any device that has a windows serial communication driver (multiport card, usb - serial hubs & modems, pcmcia). * windows xp, windows 2000, windows nt, windows me, windows 98, windows 95, windows 3.1, msdos.