Apr 18, 2026 · Beej's Guide to C Programming Brian “Beej Jorgensen” Hall v0.10.5, Copyright © April 18, 2026 1 Foreword 1.1 Audience 1.2 How to Read This Book 1.3 Platform and ...

Beej's Guide to C Programming Beej's Guide to C Programming This is the first volume of Beej's Guide to C, the tutorial. Click here for the library reference second volume. Please keep in mind this is a …

In the old days, C was a simpler language. A good number of the features contained in this book and a lot of the features in the Library Reference volume didn’t exist when K&R wrote the famous second …

41 Function Specifiers, Alignment Specifiers/Operators These don’t see a heck of a lot of use in my experience, but we’ll cover them here for the sake of completeness. 41.1 Function Specifiers When …

3.1 Variables It’s said that “variables hold values”. But another way to think about it is that a variable is a human-readable name that refers to some data in memory.

And on that note, you can get away with never using atomics if you use mutexes to lock your critical sections. It’s just that there are a class of lock-free data structures that always allow other threads to …

25 Variadic Functions Variadic is a fancy word for functions that take arbitrary numbers of arguments.

12 Manual Memory Allocation This is one of the big areas where C likely diverges from languages you already know: manual memory management. Other languages uses reference counting, garbage …

Luckily, C has arrays. I mean, I know it’s considered a low-level language 54 but it does at least have the concept of arrays built-in. And since a great many languages drew inspiration from C’s syntax, …

15 Types III: Conversions In this chapter, we want to talk all about converting from one type to another. C has a variety of ways of doing this, and some might be a little different that you’re used to in other …