C Socket Programming: Build Networked Applications from Scratch

Ever wondered how web browsers, chat applications, and online servers communicate across the globe? Understanding network socket programming in C is the key to unlocking how the internet works at a fundamental level. This text-only course guides you from absolute networking basics to writing functional client-server applications in C. You will develop a solid mental model of how data travels across networks and learn how to write robust, secure, and modern C code to manage these connections. What you'll learn: Understand core networking principles, including the TCP/IP stack, ports, and protocols; Create functional client and server architectures using standard C socket libraries; Implement both TCP stream and UDP datagram connections from scratch; Handle multiple concurrent connections using modern non-blocking I/O concepts; Apply modern practices like IPv6 compatibility and basic network security principles; Debug common network programming errors and manage system resources safely. You will start with essential terminology and the conceptual mechanics of sockets before progressing to writing, refactoring, and testing actual C code. Each concept is reinforced with clear, written explanations and step-by-step code walkthroughs. This course is designed for beginners who have a basic understanding of C programming syntax and want to transition into network development. No prior networking experience is required. Start reading today to build your first fully functional network application from the ground up.