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After reading Chapter 1, "Introduction to Network Programming," you know the basics of Internet operations and networking in general for game programming. However, I have not yet shown you how to actually use network communications in your programming adventures .
Most people fear learning about network programming because it seems like such an advanced topic. I put off network programming for years because of this, and that was a mistake. I had absolutely no idea how easy networked communications were.
Many years ago, researchers at the University at Berkeley created an Application Programming Interface (API) to make it easy for the C programming language to use Internet communications. This API eventually became known as the Berkeley Sockets API . Nearly every UNIX-based operating system supports it, as does MacOS and Windows. Microsoft created its own version of Berkeley Sockets and called it Winsock . Very little is changed in the Winsock library, so it is entirely possible to use the two libraries interchangeably.
In this chapter, you will learn to:
Understand the fundamentals of byte ordering
Understand socket basics
Work with the API for sockets
Find IP addresses using the Domain Name System (DNS)
Use demos that illustrate the concepts of the chapter
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