Since you are already searching GitHub for C learning materials, consider these legal, open-source alternatives that are just as good for beginners:
| Book | GitHub Repo | Focus | License |
|------|-------------|-------|---------|
| Modern C (Jens Gustedt) | jensgustedt/modern-c | C17/C23, pointers, concurrency | CC BY-ND 4.0 |
| Beej's Guide to C Programming | beejjorgensen/bgc | Practical, humorous, network-oriented | Public Domain |
| The C Book (Banahan et al.) | N/A (but freely mirrored) | Old but solid on C89 | Free for non-commercial |
Recommendation: Start with Modern C by Gustedt. It is officially hosted on GitHub, completely free, and updated for modern compiler standards. Pair it with King’s book if you buy it. c programming a modern approach pdf github
King’s book was written before C11 introduced _Generic or C17 removed gets(). GitHub hosts community-driven errata lists and patches. For example, some repositories show how to adapt VLAs (which became optional in C11) for strict compilers.
You can still use GitHub as your primary study companion. Here is a practical workflow: Since you are already searching GitHub for C
If you are an instructor, GitHub even allows you to create a private classroom repository where students can submit their projects from King’s textbook without publicly sharing the book’s content.
K.N. King’s book is published by W. W. Norton & Company. It is under active copyright. No authorized free PDF exists. GitHub’s DMCA policy explicitly forbids hosting copyrighted textbooks. Most of these repositories are taken down within weeks. The ones that survive are usually in .git histories or on forks hosted in jurisdictions with lax copyright laws. If you are an instructor, GitHub even allows
Bottom line: Downloading the PDF from GitHub is piracy. You will not get sued (individual downloaders are rarely targeted), but you are depriving the author of royalties. King is a working professor and author; piracy hurts the ecosystem that produces high-quality technical books.
GitHub hosts no official or authorized PDF of this book. The book is copyrighted (W. W. Norton & Company), and sharing full PDFs without permission violates copyright.
However, GitHub does contain:
⚠️ Warning: Any repository offering a full PDF of King’s book is likely pirated. Such repos are frequently taken down via DMCA, and downloading them may expose you to malware or legal risk.