docs(10_Wiki): Topic_Business/General/Graphic/Programming을 Topics/ 하위로 이동

최상위 10_Wiki/Topic_*였던 4개 카테고리 폴더를 10_Wiki/Topics/Topic_* 로 재배치. 콘텐츠 변경 없음(순수 폴더 이동) — Topics/ 하위 나머지 폴더는 이미 지난 커밋에서 전부 정리된 상태(잔존 항목은 에이전트 운영 상태 및 사용자가 보존을 요청한 업데이트0615/무제 3.canvas 뿐).
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+---
+id: c-syntax
+title: "C Syntax"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["main function", "include stdio", "C 문법"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.86
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["c", "programming-language", "w3schools", "syntax"]
+raw_sources: ["https://www.w3schools.com/c/c_syntax.php"]
+applied_in: []
+github_commit: ""
+---
+
+# [[C Syntax]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+The compiler is explicitly indifferent to whitespace and line breaks — the source shows the ENTIRE `main()` body collapsible onto a single line (`int main(){printf("Hello World!");return 0;}`) and produces identical behavior — meaning C's multi-line formatting convention exists purely for human readability, not because the language requires it, unlike languages where indentation/newlines are syntactically meaningful. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`#include <stdio.h>`** — includes a header enabling input/output functions like `printf()`; described as something that "almost always appears" in a C program. [S1]
+- **`main()`** — the special function where program execution begins; code inside its `{}` is what actually runs. [S1]
+- **Statement termination** — every C statement must end with a semicolon `;`. [S1]
+- **`return 0`** — ends `main()` and sends a value back to the operating system; `0` conventionally signals "everything worked." [S1]
+- **Whitespace insignificance** — blank lines and extra spaces are ignored by the compiler; used only to aid human readability. [S1]
+
+## 📖 세부 내용 (Details)
+- Standard multi-line form: `#include <stdio.h> int main() { printf("Hello World!"); return 0; }`. [S1]
+- Equivalent single-line form (compiler behaves identically): `int main(){printf("Hello World!");return 0;}`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- **줄바꿈/공백은 순전히 가독성 목적**: 컴파일러가 여러 줄로 쓰인 코드와 한 줄로 압축한 코드를 동일하게 처리한다는 점이 직접적인 코드 비교로 증명됨. [S1]
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — 이 챕터의 문장 단위 분해 설명이 이후 모든 C 코드를 읽는 기초 독해 능력의 토대가 된다. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+The canonical C program structure, annotated line by line:
+```c
+#include <stdio.h>
+
+int main() {
+  printf("Hello World!");
+  return 0;
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.86
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[C Tutorial]]
+- **관련 개념:** [[C Get Started]], [[C Statements]]
+- **참조 맥락:** C 프로그램 구조 설명 — 명령문(Statements) 챕터로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C Syntax — https://www.w3schools.com/c/c_syntax.php
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C Syntax" page (Astra wiki-curation, P-Reinforce v3.1 format).