C Programming Language
Applies Kernighan & Ritchie's "The C Programming Language" (2nd Edition, ANSI C) framework — pointer/array duality and pointer arithmetic, reading declarations by the right-left rule, manual memory management and ownership, undefined behavior, the preprocessor and separate compilation, storage classes/linkage, and C's "trust the programmer" minimalism — to writing, reviewing, or debugging C code. Use whenever the user wants a "K&R approach," mentions "pointer arithmetic," "declaration reflects use," "malloc/free," "undefined behavior," "storage class," "header guards," or is writing/debugging C, tracking down a segfault, buffer overflow, or memory leak, or asking how a gnarly C declaration should be read — even if they don't name the book.
Security AStatic scan found no risk patternsHow grading works ›
From the source SKILL.md
Apply this skill when writing, reviewing, or debugging C code, or explaining C semantics — grounded in K&R's philosophy that C trusts the programmer completely: no hidden costs, no runtime safety net, and correctness is the programmer's explicit responsibility at every step.
What this skill does
C Programming Language is a community-contributed Claude Code skill in the engineering-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/c-programming-language/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use whenever the user wants a "K&R approach," mentions "pointer arithmetic," "declaration reflects use," "malloc/free," "undefined behavior," "storage class," "header guards," or is writing/debugging C, tracking down a segfault, buffer overflow, or memory leak, or asking how a gnarly C declaration should be read — even if they don't name the book.
Who uses this skill
The C Programming Language Claude Code skill is built for software engineers, backend developers, full-stack teams, and technical leads building and maintaining production systems. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 196,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).
How to install
Free
Manual install (2 steps)
mkdir -p ~/.claude/skills/c-programming-language
curl -L https://claudskills.com/skills/c-programming-language/SKILL.md \
-o ~/.claude/skills/c-programming-language/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/c-programming-language/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/c-programming-language/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\c-programming-language\SKILL.md on Windows. See the full install guide for step-by-step instructions.
Telegram
📱 Install from your phone or desktop Telegram
Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →
Pro
One-click install via the desktop app
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
Pro
For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.
Frequently asked questions
How do I install the C Programming Language Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/c-programming-language/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the C Programming Language skill do?
Applies Kernighan & Ritchie's "The C Programming Language" (2nd Edition, ANSI C) framework — pointer/array duality and pointer arithmetic, reading declarations by the right-left rule, manual memory management and ownership, undefined behavior, the preprocessor and separate compilation, storage classes/linkage, and C's "trust the programmer" minimalism — to writing, reviewing, or debugging C code. Use whenever the user wants a "K&R approach," mentions "pointer arithmetic," "declaration reflects use," "malloc/free," "undefined behavior," "storage class," "header guards," or is writing/debugging C, tracking down a segfault, buffer overflow, or memory leak, or asking how a gnarly C declaration should be read — even if they don't name the book.
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the C Programming Language skill?
Use C Programming Language when your Claude Code task falls under the Engineering category — specifically in the engineering misc area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use C Programming Language" or describe the task and let Claude pick). Browse related skills at
/category/engineering/.
What is a Claude Code skill and how does the C Programming Language skill fit in?
A Claude Code skill is a
SKILL.md file that lives under
~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. C Programming Language is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Engineering category. Learn more at
/learn/what-is-a-claude-skill/.
Attribution & license
Cite this skill
If you reference this skill in a blog post, paper, or documentation, you can cite it as:
APA
DamiMartinez. (2026). C Programming Language [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/c-programming-language/
BibTeX
@misc{c-programming-language-2026,
author = {DamiMartinez},
title = {C Programming Language [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/c-programming-language/}
}Embed this skill
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Security scan
Grade A · scanned 2026-09-28 — free static scan against the OWASP Agentic Skills Top 10.
No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ✓ Network
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