I’m a complete beginner who loves C—what should I learn and build next?

Start with projects you genuinely want to finish. A text adventure, small game, command-line utility, or simple HTTP server can teach you a lot. Once you’re comfortable with the basics, study data structures and algorithms by implementing things such as linked lists, hash tables, stacks, queues, and graph traversal yourself. C makes you handle more details manually, so those exercises are especially valuable.

Trying a Unix-like environment can make learning C smoother because the compiler, documentation, shell tools, debugger, and standard development utilities are readily available. After the basics, a useful project could be a small program that reads audio or other data and sends it over a network connection. A tiny renderer or ray tracer is another rewarding advanced project because it combines C with math and produces visible results. Choose one manageable project, build it incrementally, and read the documentation whenever you get stuck.

C is small, but it gives you plenty of opportunities to make subtle memory and pointer mistakes. Learn to compile with strong warnings enabled and use tools such as a debugger and memory-checking or sanitizing tools. Don’t just memorize syntax—understand arrays, strings, structs, dynamic allocation, file I/O, and how the compiler and linker turn your source into a program. A structured introductory course that teaches C alongside general computer science fundamentals can give you a solid path.

If embedded programming interests you, begin with a low-cost microcontroller board or a small single-board computer. Make LEDs blink, react to button presses or sensor readings, and experiment with peripherals such as SPI and I2C. You don’t need to start with assembly—modern firmware work is overwhelmingly done in C. A little assembly can help you understand registers, stacks, and calling conventions later, but focus first on C, pointers, memory management, debugging, and reading datasheets.