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title

C Special Characters

🎯 한 줄 통찰 (One-line insight)

A literal double-quote inside a double-quoted string is fundamentally AMBIGUOUS to the compiler — "We are the so-called "Vikings" from the north." looks like three separate adjacent strings, not one string containing quotes — so \" isn't just a stylistic escape, it's the only way to disambiguate where the enclosing string actually ends. [S1]

🧠 핵심 개념 (Core concepts)

The core problem — double quotes delimit C strings, so a literal " inside one prematurely ends the string as far as the compiler is concerned. [S1]
Core escape sequences — \' (single quote), \" (double quote), \\ (literal backslash). [S1]
Other common escapes — \n (newline), \t (tab), \0 (null terminator). [S1]
Backslash as the universal escape prefix — turns the following character into a literal string character rather than a syntactic delimiter. [S1]

📖 세부 내용 (Details)

Escaping double quotes inside a string: char txt[] = "We are the so-called \"Vikings\" from the north.";. [S1]
Escaping a single quote: char txt[] = "It\'s alright.";. [S1]
Escaping a literal backslash: char txt[] = "The character \\ is called backslash.";. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — 큰따옴표가 포함된 인용문(예: "Vikings")을 문자열에 그대로 담아야 할 때 " 이스케이프가 실전에서 바로 쓰인다. [S1]

💻 코드 패턴 (Code patterns)

Escaping a literal double quote so it doesn't prematurely end the string (C):

char txt[] = "We are the so-called \"Vikings\" from the north.";

✅ 검증 상태 및 신뢰도

상태: draft
검증 단계: conceptual
출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
신뢰 점수: 0.84
중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

상위/루트: C Tutorial
관련 개념: C Strings, C Strings Functions
참조 맥락: 이스케이프 문자 — 문자열 함수(Strings Functions) 챕터로 이어짐.

📚 출처 (Sources)

[S1] W3Schools — C Special Characters — https://www.w3schools.com/c/c_strings_esc.php

📝 변경 이력 (Change history)

2026-07-04: Initial draft synthesized from the W3Schools "C Special Characters" page (Astra wiki-curation, P-Reinforce v3.1 format).

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