These include complete source code for a number of useful applications, including an ftp client. Other topics covered include: how to create a dynamic link library to run over WinSock, how to port existing BSD Sockets source code to WinSock, and how/when to use WinSock's optional features. It also details debugging techniques and tools. The appendices provide a quick reference for API essentials, illustrations of the TCP/IP protocol suite, an extensive error reference, and pointers to more information on or off the Internet. The accompanying disk contains the source code for all the sample applications, as well as a few other tools to help you with your programming tasks.