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3.3 KiB
id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit
| id | title | category | status | verification_status | canonical_id | aliases | duplicate_of | source_trust_level | confidence_score | created_at | updated_at | review_reason | merge_history | tags | raw_sources | applied_in | github_commit | ||||||||
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| c-syntax | C Syntax | Programming_Language | draft | conceptual |
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B | 0.86 | 2026-07-04 | 2026-07-04 |
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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 likeprintf(); 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— endsmain()and sends a value back to the operating system;0conventionally 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:
#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).