Serves as the "bible" on communications programming because it provides key information and source code on all the major serial protocols. Provides a much more thorough treatment of all the major serial file transfer protocols than in other communications programming book. Includes highly-tested communications source code that can easily be used as the framework for commercial communications programs. Shows the reader how to customize protocols and create hybrid protocols for more efficient data communications. Includes a disk with commercial-quality software, and royalty-free C source code for all protocols covered. Includes highly portable code for all types of platforms and applications, and standalone example programs for PC systems.