🚩 C 팁 λͺ©λ‘ (9)


  1. memset

    memset으둜 λ°°μ—΄ μ΄ˆκΈ°ν™”ν•˜λŠ” 법

  2. strlen μ‹œκ°„λ³΅μž‘λ„

    strlenν•¨μˆ˜μ˜ μ‹œκ°„λ³΅μž‘λ„λŠ” O(1)이 μ•„λ‹™λ‹ˆλ‹€.

  3. μ—°μ‚°μž μš°μ„ μˆœμœ„

    μ—°μ‚°μž μ‚¬μ΄μ˜ μš°μ„ μˆœμœ„

  4. ν•¨μˆ˜ λ§€κ°œλ³€μˆ˜ 평가 μˆœμ„œ

    C ν‘œμ€€ μ»΄νŒŒμΌλŸ¬μ—μ„œ ν•¨μˆ˜ λ§€κ°œλ³€μˆ˜ 평가 μˆœμ„œλŠ” λ”°λ‘œ μ •ν•΄μ Έμžˆμ§€ μ•Šλ‹€.

  5. 좜λ ₯κ³Ό λ™μ‹œμ— ν”„λ‘œκ·Έλž¨ μ’…λ£Œν•˜κΈ°

    ν•œ 쀄에 returnκ³Ό 좜λ ₯ λ™μ‹œμ— ν•˜κΈ°

  6. λŸ°νƒ€μž„ μ—λŸ¬ λ°œμƒ 원인 정리

    λŸ°νƒ€μž„ μ—λŸ¬κ°€ λ°œμƒν•˜λŠ” 원인 λͺ‡ 가지

  7. Short circuit evaluation

    논리 μ—°μ‚°μž &&, ||을 μ“Έ λ•Œ μ£Όμ˜ν•  점

  8. 맀크둜 μ •μ˜

    #define

  9. μ‹€μˆ˜ 비ꡐ

    μ‹€μˆ˜λΌλ¦¬μ˜ λΉ„κ΅μ—μ„œ β€˜==’은 μ§€μ–‘ν•΄μ•Όν•©λ‹ˆλ‹€.

2020


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