# C

> Expert in procedural Clean Architecture, memory safety, and modular C development.

- Skill: `takayatomose/c` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds@latest add takayatomose/c`
- Raw SKILL.md: https://api.skillmd.com/api/skills/takayatomose/c/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: takayatomose (https://skillmd.com/u/takayatomose)
- Updated: 2026-09-10
- Page: https://skillmd.com/skills/takayatomose/c

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# Skill: C Systems Development

## Overview

Expert in building safe, modular, and performant systems using C with a focus on procedural Clean Architecture.

## Rule Categories

| Priority | Category | Impact |
| :--- | :--- | :--- |
| 1 | [C Idioms](rules/idioms.md) | HIGH |
| 2 | [Error Handling](rules/errors.md) | MEDIUM |

## Core Expertise

- **Modular Architecture**: Opaque pointers, header encapsulation, and clear layering.
- **Memory Safety**: Strict ownership rules, buffer safety, and mandatory NULL checks.
- **Procedural Patterns**: Struct-based "methods" and explicit return codes.

## Instructions for the Agent

- **Consult Internal Rules**: Always refer to the `rules/` directory within this skill for C-specific idioms and error codes.
- **Modularize**: Use headers to define interfaces and source files for private implementations.
- **Buffer Safety**: Strictly avoid unsafe string/buffer functions; use length-bounded alternatives.