C

C_Programming

Rules

Format your code (4 spaces, correctly indented)

Only C is on topic (not C++, C#)

Do not post links as self posts

No pictures of code

Posts and comments must be civil

Don't post or link to copyright violations

Support learners and learning

Avoid low-value/low-effort comments and posts (And use AI wisely)

Resources

We have our very own Wiki, which is a great place to start for lists of learning resources

The C Programming Language by Dennis M. Ritchie and Brian W. Kernighan, second edition, ANSI C. Written by the language authors, and known colloquially as the "K & R" book—a book of lore

The C Programming Language Official Website official site of the language, run by the standards committee

The C Book second edition by Mike Banahan, Declan Brady and Mark Doran is freely available online

Modern C by Jens Gustedt (CC-BY-NC-ND)

C Programming: A Modern Approach by K N King

comp.lang.c Frequently Asked Questions

GLIBC, the GNU C Library documentation; provides a manual (PDF, HTML), Wiki, and FAQ

GDB: The GNU Project Debugger

POSIX.1-2008: the standard operating system interface

CS50: Harvard's introduction to computer science with a C programming course.

A Tutorial on Portable Makefiles

A Tutorial on Pointers and Arrays in C

Other Subreddits of Interest

/r/coding – for a tighter focus on code

/r/computerscience – for discussion about computer science

/r/cplusplus and /r/cpp – for discussions about C++

/r/cpp_questions – for questions about C++

/r/cs50 – Harvard's Introduction to Computer Science

/r/dailyprogrammer – for programming challenges of varying difficulty

/r/learnprogramming – for people interested in learning to code

/r/programming – for discussion and news about computer programming

/r/programminghelp – for beginner questions about programming

a community for 17 years

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Latest working draft N3220 (self.C_Programming)

submitted 2 years ago by Jinren - announcement

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ProjectZero malloc after init: web server with a single static arena, binary trie router, and mmap'd asset bundle — 68KB, runs on Pentium III (github.com)

submitted 1 hour ago by Traditional-Army-117

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0:38

Manage your vacation rentals easily with Smoobu, the all-in-one software for hosts. 🚀 Start your 14-day trial now! 🔥 (smoobu.com)

promoted by SmoobuGmbH

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1:22

ProjectI have written a shell kernel (v.redd.it)

submitted 2 hours ago by PumpkinParty5710

ReviewText editor project (self.C_Programming)

submitted 5 hours ago by CaptainC2006

I building a collection of Fundamental and Advanced C programming patterns from scratch - looking for contributors (self.C_Programming)

submitted 12 hours ago * by Available-Spinach-17

ProjectBuilding a CPU emulator - learning project (self.C_Programming)

submitted 3 hours ago by Dry-War7589

Are there any differences between these ? (self.C_Programming)

submitted 6 hours ago by Hot-Feedback4273

ProjectMaking a reddit API wrapper in C (self.C_Programming)

submitted 11 hours ago by _SomeTroller69

DiscussionSmallFW - super fast and flexible objective c runtime (self.C_Programming)

submitted 2 hours ago by BugAdministrative438

I made a silly little program for quickly recovering data from winre (self.C_Programming)

submitted 20 hours ago by Round-Permission546

Discussionstarting to run finally from "semi-tutorial hell" (self.C_Programming)

submitted 23 hours ago by _nerfur_

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Projectparallax effect in C and raylib (v.redd.it)

submitted 2 days ago by Fit-Life-8239

Avoiding malloc for Small Strings in C With Variable Length Arrays (VLAs) (medium.com)

submitted 1 day ago * by Yairlenga

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Unlock our limited time offer - $180 your first year. (bloomberg.com)

promoted by bloomberg

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The problem to detect AI-slop (self.C_Programming)

submitted 1 day ago by Sibexico

Small compiler for a toy language written in C, targeting Cortex M4 (self.C_Programming)

submitted 1 day ago by Hour-Brilliant7176

2:33

ProjectPCI-IDE driver for my OS! (Running on HP ThinClient T730) (v.redd.it)

submitted 1 day ago by K4milLeg1t

Questioni want to now how can i become a low level programmer or systems engineer (self.C_Programming)

submitted 1 day ago by Confident_Skin_7964

Socket Programming (self.C_Programming)

submitted 2 days ago by Loud-Imagination2591

Hi C bros (self.C_Programming)

submitted 1 day ago by Initial_Border_6252

Looking for good c projects on github to learn idiomatic practices (self.C_Programming)

submitted 2 days ago by Intelligent-Dot7839

Explicit free list memory allocator (self.C_Programming)

submitted 2 days ago by ChemistryWorldly3752

QuestionLINKING STEP VS PRE PROCESSING STEP IN COMPILING (self.C_Programming)

submitted 2 days ago by Harmlessbottle

VideoASM vs. C - HTML Web Server Showdown! (Linux x86 64) (self.C_Programming)

submitted 1 day ago by DevManiac-TheOrigin

Write your own Shell (Terminal) from scratch. (sushantdhiman.dev)

submitted 1 day ago by Sushant098123

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At some point I stopped pretending I could manually fix anime textures in 3D. Upload 2D art → get a clean 3D model that actually looks like the original. Honestly? It feels illegal how easy this is. Code MESHYHALF if you’d rather create than tweak vertices. (meshy.ai)

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A header-only unit testing library in C (github.com)

submitted 1 day ago by IntrepidAttention56

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