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URLhttps://blog.seulgi.kim/2015/04/c-is-not-subset-of-cpp.html
Last Crawled2026-04-11 19:46:47 (1 day ago)
First Indexed2018-04-30 11:19:15 (7 years ago)
HTTP Status Code200
Meta TitleC๋Š” C++์˜ ๋ถ€๋ถ„์ง‘ํ•ฉ์ด ์•„๋‹ˆ๋‹ค
Meta DescriptionC๋Š” C++์˜ ๋ถ€๋ถ„์ง‘ํ•ฉ์ด ์•„๋‹ˆ๋‹ค. C++์ด ์‹œ์ž‘ํ•  ๋•Œ๋Š” C์— ๊ธฐ๋Šฅ์„ ์ถ”๊ฐ€ํ•˜๋Š” ์‹์œผ๋กœ ์‹œ์ž‘ํ•˜๊ธด ํ–ˆ๋‹ค. ํ•˜์ง€๋งŒ ์‹œ๊ฐ„์ด ์ง€๋‚˜ ๋‘˜์€ ๋…๋ฆฝ์ ์œผ๋กœ ๋ฐœ์ „์ด ์ด๋ฃจ์–ด์กŒ๊ณ  ์ด์ œ ์™„์ „ํžˆ ๋‹ค๋ฅธ ์–ธ์–ด๋‹ค.
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์˜ค๋Š˜ ํ™ฉ๋‹นํ•œ ๊ธ€์„ ๋ดค๋‹ค. ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ํ”„๋กœ๊ทธ๋žจ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. ์ผ๋‹จ ์ € ๋ง์€ C++์˜ ์ฐฝ์‹œ์ž์ธ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์Šคํˆฌ๋ฃน ์ด ํ•œ ๋ง์ด๋‹ค. ํ•˜์ง€๋งŒ ์ € ๋ง์€ ํ‹€๋ฆฐ ๋ง์ด๋‹ค. "๋„ค๊ฐ€ ๋ญ”๋ฐ ๊ฐํžˆ ๋น„์•ผ๋„ค๋‹˜์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋А๋ƒ"๋ผ๋Š” ์ƒ๊ฐ์ด ๋“ค๊ฒ ์ง€๋งŒ ์ž ์‹œ๋งŒ ์ง„์ •ํ•˜์ž. ๋‚˜๋Š” ๋น„์•ผ๋„ค๋‹˜์ด ํ‹€๋ ธ๋‹ค๊ณ  ํ•˜์ง€ ์•Š์•˜๋‹ค. ๋‚ด๊ฐ€ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์€ ์•„๋ฌด๋Ÿฐ ๋ฌธ๋งฅ๋„ ์—†์ด ๊ทธ๋ƒฅ ์ € ๋ฌธ๊ตฌ๋งŒ ๋”ฐ์™€์„œ ๋งํ•˜๋Š” ์‚ฌ๋žŒ์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ์ € ๋ง์€ ๋ถ„๋ช…ํžˆ 1999๋…„ ์ด์ „๊นŒ์ง€๋Š” ๋งž์•˜๋˜ ๋ง์ด๋‹ค. ๋ถ„๋ช…ํžˆ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ C++์„ ๋งŒ๋“ค๋ฉด์„œ C์™€์˜ ํ˜ธํ™˜์„ฑ์„ ๊ณ ๋ คํ•˜์˜€๊ณ , ๋‹น์‹œ์˜ ํ‘œ์ค€(ANSI C)์„ ์ž˜ ์ง€ํ‚จ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ •์ƒ์ ์œผ๋กœ ์ปดํŒŒ์ผ ๋˜์—ˆ๋‹ค. ํ•˜์ง€๋งŒ ๊ทธ๊ฒƒ์€ ์–ด๋””๊นŒ์ง€๋‚˜ C99๊ฐ€ ๋‚˜์˜ค๊ธฐ ์ „์˜ ์ด์•ผ๊ธฐ๋‹ค. C99์—์„œ๋Š” ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ๋„์ž…ํ•˜์˜€๊ณ , C++์€ ๊ทธ๊ฒƒ์„ ์ด๋ฏธ ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•˜๊ณ  ์žˆ์—ˆ๊ฑฐ๋‚˜, ํ˜น์€ ํ•„์š”ํ•˜์ง€ ์•Š์€ ๊ธฐ๋Šฅ์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜์—ฌ ๊ฐ€์ง€๊ณ  ์˜ค์ง€ ์•Š์•˜๋‹ค. ๊ฒŒ๋‹ค๊ฐ€ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ C11์ด ๋‚˜์˜ค๊ณ , C++๋„ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ 03, 11์„ ๊ฑฐ์ณ 14๊นŒ์ง€ ๋‚˜์˜ค๋ฉด์„œ ๋‘˜ ์‚ฌ์ด์˜ ๊ฐ„๊ทน์€ ์ด๋ฏธ ์–ด๋–ป๊ฒŒ ํ•  ์ˆ˜ ์—†์„ ์ •๋„๋กœ ์ปค์กŒ๋‹ค. ๊ทธ๋Ÿฐ ์—ฐ์œ ๋กœ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์ด C++ ํ”„๋กœ๊ทธ๋žจ์ด๋ผ๊ณ  ๋งํ•  ๋•Œ ์กฐ๊ฑด์„ ๋ถ™์ธ๋‹ค. "๋‹จ, ์ด๊ฑด C89์— ํ•œ์ •ํ•œ๋‹ค."๋ผ๊ณ . ํ•˜์ง€๋งŒ ์š”์ƒˆ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ์ด ์–ผ๋งˆ๋‚˜ ์žˆ๋‚˜? ์•กํ‹ฐ๋ธŒํ•˜๊ฒŒ ์ž‘์—…์ด ์ง„ํ–‰๋˜๋Š” ํ”„๋กœ์ ํŠธ ์ค‘์—์„œ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ ์žˆ์œผ๋ฉด ๊ฐ€์ง€๊ณ  ์™€๋ด๋ผ. ์ฐพ์œผ๋ ค๊ณ  ๋…ธ๋ ฅํ•ด๋ณธ ์ ์€ ์—†์ง€๋งŒ ์ฐพ๊ธฐ ์–ด๋ ค์šธ ๊ฒƒ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์š”์ƒˆ ์ €๋Ÿฐ ๋ง์„ ํ•˜๋Š” ์‚ฌ๋žŒ์€ ๊ทธ๋ƒฅ ๊ณต๋ถ€๋ฅผ ์•ˆ ํ•œ ์‚ฌ๋žŒ์ด๋‹ค. ๊ทธ๊ฒƒ๋„ ํ•œ 20๋…„ ์ „์— ๊ณต๋ถ€ํ–ˆ๋˜ ์‚ฌ๋žŒ์ด๋‹ˆ ๋Œ€์„ ๋ฐฐ๋‹˜์ผ ์ˆ˜๋„ ์žˆ๊ฒ ๋‹ค. ๊ทธ ์‚ฌ๋žŒ์—๊ฒŒ C99 ์ดํ›„ C++๊ณผ ์ŠคํŽ™์ด ๋ณ€๊ฒฝ๋˜์–ด C99 ํ‘œ์ค€์„ ์ง€ํ‚จ ์ฝ”๋“œ๋Š” C++์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ์•ˆ ๋  ์ˆ˜๋„ ์žˆ๋‹ค๊ณ  ํ–ˆ๋”๋‹ˆ, ๊ฑฐ๊ธฐ์— ๋‹ฌ๋ฆฐ ๋‹ต๋ณ€์€ ๋” ํ™ฉ๋‹นํ–ˆ๋‹ค. ํ‘œ์ค€์ด ๋ฌธ์ œ๊ฐ€ ์•„๋‹ˆ๋ผ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๋ฉด C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š๋Š” ์ฝ”๋“œ๋ผ๋ฉด ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๊ฐ€ ์•„๋‹ˆ๋‹ค. ์•„.... ์ •๋ง ์ถฉ๊ฒฉ๊ณผ ๊ณตํฌ๋‹ค. ๋ฌด์Šจ ์ƒ๊ฐ์„ ํ•˜๋ฉด ์ž˜ ์งœ์ธ C์ฝ”๋“œ์˜ ๊ธฐ์ค€์„ C++์—์„œ ์ฐพ๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ๋‹ค. ๋‘˜์€ ์ด๋ฏธ ๋‹ค๋ฅธ ์–ธ์–ด๋กœ ๋ถ„ํ™”๋˜์—ˆ๋‹ค. ํ•œ๋™์•ˆ ๋น„์•ผ๋„ค๋Š” C์™€ C++์„ ํ•ฉ์น˜๋ ค๊ณ  ๋…ธ๋ ฅํ•˜๋˜ ์‹œ์ ˆ๋„ ์žˆ์ง€๋งŒ , ์š”์ƒˆ๋Š” ํฌ๊ธฐํ•œ ๋“ฏ์ด ๋ณด์ธ๋‹ค. ์‹ฌ์ง€์–ด ๊ทธ๋Š” C/C++์€ ์•„๋ฌด๊ฒƒ๋„ ๋ชจ๋ฅด๋Š” ์‚ฌ๋žŒ๋“ค์ด๋‚˜ ์“ฐ๋Š” ์šฉ์–ด๋กœ C์™€ C++์„ ํ•ฉ์ณ์„œ ๋ถˆ๋Ÿฌ์„œ๋Š” ์•ˆ๋œ๋‹ค ๊ณ  ๋งํ•˜๊ธฐ๋„ ํ•œ๋‹ค. C์™€ C++์€ ์ด๋ฏธ ๊ฐ™์€ ์–ธ์–ด๊ฐ€ ์•„๋‹ˆ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ๊ฐ€๋Šฅํ•œ ์ฝ”๋“œ๋งŒ์„ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๊ณ  ๋งํ•œ๋‹ค๋ฉด, C99 ์ดํ›„์— ์ƒˆ๋กœ ์ถ”๊ฐ€๋œ ๊ธฐ๋Šฅ์„ ์ „๋ถ€ ํฌ๊ธฐํ•˜๋Š” ๊ฒƒ๋ฐ–์— ๋˜์ง€ ์•Š๋Š”๋‹ค. ๋ถ„๋ช…ํ•˜๊ฒŒ ๋งํ•˜๊ฑด๋Œ€ ํ‘œ์ค€์„ ์ง€ํ‚ค๋ฉด์„œ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š์„ ๊ฒƒ์ด๋‹ค. p.s. ์•„์‰ฝ๊ฒŒ๋„(ํ˜น์€ ๋‹คํ–‰ํžˆ๋„) ๋น„๊ณต๊ฐœ ์ปค๋ฎค๋‹ˆํ‹ฐ์— ์˜ฌ๋ผ์˜จ ๊ธ€์ด๋ผ ์›๋ณธ ๋งํฌ๋Š” ๋ชป ์˜ฌ๋ ธ๋‹ค.
Markdown
[๊ธฐ๋ณธ ์ฝ˜ํ…์ธ ๋กœ ๊ฑด๋„ˆ๋›ฐ๊ธฐ](https://blog.seulgi.kim/2015/04/c-is-not-subset-of-cpp.html#main) ### ์ด ๋ธ”๋กœ๊ทธ ๊ฒ€์ƒ‰ # [์Šญ์˜ ๊ฐœ๋ฐœ ๋ธ”๋กœ๊ทธ](https://blog.seulgi.kim/) - [GitHub](https://github.com/sgkim126) - [์ผ์ƒ](https://www.seulgi.kim/) - [resume](https://github.com/sgkim126/resume) - [blog.seulgi.dev](https://blog.seulgi.dev/) [๋”๋ณด๊ธฐโ€ฆ]() ### C๋Š” C++์˜ ๋ถ€๋ถ„์ง‘ํ•ฉ์ด ์•„๋‹ˆ๋‹ค - ๊ณต์œ  ๋งํฌ ๋งŒ๋“ค๊ธฐ - Facebook - X - Pinterest - ์ด๋ฉ”์ผ - ๊ธฐํƒ€ ์•ฑ \- [4์›” 02, 2015](https://blog.seulgi.kim/2015/04/c-is-not-subset-of-cpp.html "permanent link") ์˜ค๋Š˜ ํ™ฉ๋‹นํ•œ ๊ธ€์„ ๋ดค๋‹ค. > ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ํ”„๋กœ๊ทธ๋žจ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. ์ผ๋‹จ ์ € ๋ง์€ C++์˜ ์ฐฝ์‹œ์ž์ธ [๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์Šคํˆฌ๋ฃน](https://www.stroustrup.com/bs_faq.html#C-is-subset)์ด ํ•œ ๋ง์ด๋‹ค. ํ•˜์ง€๋งŒ ์ € ๋ง์€ ํ‹€๋ฆฐ ๋ง์ด๋‹ค. "๋„ค๊ฐ€ ๋ญ”๋ฐ ๊ฐํžˆ ๋น„์•ผ๋„ค๋‹˜์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋А๋ƒ"๋ผ๋Š” ์ƒ๊ฐ์ด ๋“ค๊ฒ ์ง€๋งŒ ์ž ์‹œ๋งŒ ์ง„์ •ํ•˜์ž. ๋‚˜๋Š” ๋น„์•ผ๋„ค๋‹˜์ด ํ‹€๋ ธ๋‹ค๊ณ  ํ•˜์ง€ ์•Š์•˜๋‹ค. ๋‚ด๊ฐ€ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์€ ์•„๋ฌด๋Ÿฐ ๋ฌธ๋งฅ๋„ ์—†์ด ๊ทธ๋ƒฅ ์ € ๋ฌธ๊ตฌ๋งŒ ๋”ฐ์™€์„œ ๋งํ•˜๋Š” ์‚ฌ๋žŒ์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ์ € ๋ง์€ ๋ถ„๋ช…ํžˆ 1999๋…„ ์ด์ „๊นŒ์ง€๋Š” ๋งž์•˜๋˜ ๋ง์ด๋‹ค. ๋ถ„๋ช…ํžˆ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ C++์„ ๋งŒ๋“ค๋ฉด์„œ C์™€์˜ ํ˜ธํ™˜์„ฑ์„ ๊ณ ๋ คํ•˜์˜€๊ณ , ๋‹น์‹œ์˜ ํ‘œ์ค€(ANSI C)์„ ์ž˜ ์ง€ํ‚จ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ •์ƒ์ ์œผ๋กœ ์ปดํŒŒ์ผ ๋˜์—ˆ๋‹ค. ํ•˜์ง€๋งŒ ๊ทธ๊ฒƒ์€ ์–ด๋””๊นŒ์ง€๋‚˜ C99๊ฐ€ ๋‚˜์˜ค๊ธฐ ์ „์˜ ์ด์•ผ๊ธฐ๋‹ค. C99์—์„œ๋Š” ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ๋„์ž…ํ•˜์˜€๊ณ , C++์€ ๊ทธ๊ฒƒ์„ ์ด๋ฏธ ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•˜๊ณ  ์žˆ์—ˆ๊ฑฐ๋‚˜, ํ˜น์€ ํ•„์š”ํ•˜์ง€ ์•Š์€ ๊ธฐ๋Šฅ์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜์—ฌ ๊ฐ€์ง€๊ณ  ์˜ค์ง€ ์•Š์•˜๋‹ค. ๊ฒŒ๋‹ค๊ฐ€ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ C11์ด ๋‚˜์˜ค๊ณ , C++๋„ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ 03, 11์„ ๊ฑฐ์ณ 14๊นŒ์ง€ ๋‚˜์˜ค๋ฉด์„œ ๋‘˜ ์‚ฌ์ด์˜ ๊ฐ„๊ทน์€ ์ด๋ฏธ ์–ด๋–ป๊ฒŒ ํ•  ์ˆ˜ ์—†์„ ์ •๋„๋กœ ์ปค์กŒ๋‹ค. ๊ทธ๋Ÿฐ ์—ฐ์œ ๋กœ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์ด C++ ํ”„๋กœ๊ทธ๋žจ์ด๋ผ๊ณ  ๋งํ•  ๋•Œ ์กฐ๊ฑด์„ ๋ถ™์ธ๋‹ค. "๋‹จ, ์ด๊ฑด C89์— ํ•œ์ •ํ•œ๋‹ค."๋ผ๊ณ . ํ•˜์ง€๋งŒ ์š”์ƒˆ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ์ด ์–ผ๋งˆ๋‚˜ ์žˆ๋‚˜? ์•กํ‹ฐ๋ธŒํ•˜๊ฒŒ ์ž‘์—…์ด ์ง„ํ–‰๋˜๋Š” ํ”„๋กœ์ ํŠธ ์ค‘์—์„œ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ ์žˆ์œผ๋ฉด ๊ฐ€์ง€๊ณ  ์™€๋ด๋ผ. ์ฐพ์œผ๋ ค๊ณ  ๋…ธ๋ ฅํ•ด๋ณธ ์ ์€ ์—†์ง€๋งŒ ์ฐพ๊ธฐ ์–ด๋ ค์šธ ๊ฒƒ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์š”์ƒˆ ์ €๋Ÿฐ ๋ง์„ ํ•˜๋Š” ์‚ฌ๋žŒ์€ ๊ทธ๋ƒฅ ๊ณต๋ถ€๋ฅผ ์•ˆ ํ•œ ์‚ฌ๋žŒ์ด๋‹ค. ๊ทธ๊ฒƒ๋„ ํ•œ 20๋…„ ์ „์— ๊ณต๋ถ€ํ–ˆ๋˜ ์‚ฌ๋žŒ์ด๋‹ˆ ๋Œ€์„ ๋ฐฐ๋‹˜์ผ ์ˆ˜๋„ ์žˆ๊ฒ ๋‹ค. ๊ทธ ์‚ฌ๋žŒ์—๊ฒŒ C99 ์ดํ›„ C++๊ณผ ์ŠคํŽ™์ด ๋ณ€๊ฒฝ๋˜์–ด C99 ํ‘œ์ค€์„ ์ง€ํ‚จ ์ฝ”๋“œ๋Š” C++์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ์•ˆ ๋  ์ˆ˜๋„ ์žˆ๋‹ค๊ณ  ํ–ˆ๋”๋‹ˆ, ๊ฑฐ๊ธฐ์— ๋‹ฌ๋ฆฐ ๋‹ต๋ณ€์€ ๋” ํ™ฉ๋‹นํ–ˆ๋‹ค. > ํ‘œ์ค€์ด ๋ฌธ์ œ๊ฐ€ ์•„๋‹ˆ๋ผ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๋ฉด C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š๋Š” ์ฝ”๋“œ๋ผ๋ฉด ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๊ฐ€ ์•„๋‹ˆ๋‹ค. ์•„.... ์ •๋ง ์ถฉ๊ฒฉ๊ณผ ๊ณตํฌ๋‹ค. ๋ฌด์Šจ ์ƒ๊ฐ์„ ํ•˜๋ฉด ์ž˜ ์งœ์ธ C์ฝ”๋“œ์˜ ๊ธฐ์ค€์„ C++์—์„œ ์ฐพ๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ๋‹ค. ๋‘˜์€ ์ด๋ฏธ ๋‹ค๋ฅธ ์–ธ์–ด๋กœ ๋ถ„ํ™”๋˜์—ˆ๋‹ค. ํ•œ๋™์•ˆ ๋น„์•ผ๋„ค๋Š” [C์™€ C++์„ ํ•ฉ์น˜๋ ค๊ณ  ๋…ธ๋ ฅํ•˜๋˜ ์‹œ์ ˆ๋„ ์žˆ์ง€๋งŒ](https://www.stroustrup.com/bs_faq.html#merge), ์š”์ƒˆ๋Š” ํฌ๊ธฐํ•œ ๋“ฏ์ด ๋ณด์ธ๋‹ค. ์‹ฌ์ง€์–ด ๊ทธ๋Š” [C/C++์€ ์•„๋ฌด๊ฒƒ๋„ ๋ชจ๋ฅด๋Š” ์‚ฌ๋žŒ๋“ค์ด๋‚˜ ์“ฐ๋Š” ์šฉ์–ด๋กœ C์™€ C++์„ ํ•ฉ์ณ์„œ ๋ถˆ๋Ÿฌ์„œ๋Š” ์•ˆ๋œ๋‹ค](https://www.stroustrup.com/bs_faq.html#C-slash)๊ณ  ๋งํ•˜๊ธฐ๋„ ํ•œ๋‹ค. C์™€ C++์€ ์ด๋ฏธ ๊ฐ™์€ ์–ธ์–ด๊ฐ€ ์•„๋‹ˆ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ๊ฐ€๋Šฅํ•œ ์ฝ”๋“œ๋งŒ์„ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๊ณ  ๋งํ•œ๋‹ค๋ฉด, C99 ์ดํ›„์— ์ƒˆ๋กœ ์ถ”๊ฐ€๋œ ๊ธฐ๋Šฅ์„ ์ „๋ถ€ ํฌ๊ธฐํ•˜๋Š” ๊ฒƒ๋ฐ–์— ๋˜์ง€ ์•Š๋Š”๋‹ค. ๋ถ„๋ช…ํ•˜๊ฒŒ ๋งํ•˜๊ฑด๋Œ€ ํ‘œ์ค€์„ ์ง€ํ‚ค๋ฉด์„œ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š์„ ๊ฒƒ์ด๋‹ค. *** p.s. ์•„์‰ฝ๊ฒŒ๋„(ํ˜น์€ ๋‹คํ–‰ํžˆ๋„) ๋น„๊ณต๊ฐœ ์ปค๋ฎค๋‹ˆํ‹ฐ์— ์˜ฌ๋ผ์˜จ ๊ธ€์ด๋ผ ์›๋ณธ ๋งํฌ๋Š” ๋ชป ์˜ฌ๋ ธ๋‹ค. [C](https://blog.seulgi.kim/search/label/C) [C++](https://blog.seulgi.kim/search/label/C%2B%2B) [compatibility](https://blog.seulgi.kim/search/label/compatibility) - ๊ณต์œ  ๋งํฌ ๋งŒ๋“ค๊ธฐ - Facebook - X - Pinterest - ์ด๋ฉ”์ผ - ๊ธฐํƒ€ ์•ฑ ### ๋Œ“๊ธ€ #### ๋Œ“๊ธ€ ์“ฐ๊ธฐ ### ์ด ๋ธ”๋กœ๊ทธ์˜ ์ธ๊ธฐ ๊ฒŒ์‹œ๋ฌผ ### [USB 2.0 ์ผ€์ด๋ธ”์˜ ๋‚ด๋ถ€ ๊ตฌ์กฐ](https://blog.seulgi.kim/2024/09/blog-post.html) \- [9์›” 15, 2024](https://blog.seulgi.kim/2024/09/blog-post.html "permanent link") ์•„์ดํฐ๋„ USB-C๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด์„œ ์˜จ ์„ธ์ƒ์ด USB ๋กœ ํ†ต์ผ๋์ง€๋งŒ ์‹ค์ œ๋กœ๋Š” ๋„ˆ๋ฌด ๋‹ค์–‘ํ•œ USB๊ฐ€ ์กด์žฌํ•œ๋‹ค. ๊ธฐ๋ณธ ํ˜•ํƒœ์ธ USB-A๋‚˜ ์ตœ๊ทผ ๋งŽ์ด ์‚ฌ์šฉ๋˜๋Š” USB-C ๋ฟ ์•„๋‹ˆ๋ผ, ๋ณดํ†ต 5ํ•€์ด๋ผ๊ณ  ๋ถˆ๋ฆฌ๋Š” micro-B๋ฅผ ํฌํ•จํ•œ ๋‹ค์–‘ํ•œ USB-B ์ปจ๋„ฅํ„ฐ๋“ค์ด ์กด์žฌํ•œ๋‹ค. ๊ทธ๋ž˜๋„ ์ปจ๋„ฅํ„ฐ๋Š” ๋ชจ์–‘์ด ๋‹ค๋ฅด๊ธฐ ๋•Œ๋ฌธ์— ์‰ฝ๊ฒŒ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋Š”๋ฐ ์ผ€์ด๋ธ”์€ ๋‹ต์ด ์—†๋‹ค. ๊ฒ‰์œผ๋กœ๋Š” ๋˜‘๊ฐ™์•„ ๋ณด์ด๋Š” ์ผ€์ด๋ธ”์ด๋ผ๋„ ์–ด๋–ค ์ผ€์ด๋ธ”์€ ๋ฐ์ดํ„ฐ ํ†ต์‹ ์ด ์•ˆ ๋˜๊ณ  ์–ด๋–ค ์ผ€์ด๋ธ”์€ ๋ฐ์ดํ„ฐ ํ†ต์‹ ์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ์ด๋Ÿฐ ์ฐจ์ด๋Š” ์ผ€์ด๋ธ” ๋‚ด๋ถ€ ๊ตฌ์„ฑ์— ๋”ฐ๋ผ ๋ฐœ์ƒํ•œ๋‹ค. ์ด๋ฒˆ ๊ธ€์—์„œ๋Š” USB 2.0 ์ผ€์ด๋ธ”์˜ ๋‚ด๋ถ€๋ฅผ ํ†ตํ•ด USB ์ผ€์ด๋ธ”์— ๋Œ€ํ•ด ์ž์„ธํžˆ ์•Œ์•„๋ณด๊ฒ ๋‹ค. Micro-B ์ผ€์ด๋ธ”์˜ ํŽธ์กฐ ์ฐจํ์™€ ํ˜ธ์ผ ์ฐจํ ์œ„ ์‚ฌ์ง„์€ ์ง‘์—์„œ ๋Œ์•„๋‹ค๋‹ˆ๋˜ A - Micro-B USB 2.0 ์ผ€์ด๋ธ”์˜ ํ”ผ๋ณต์„ ๋ฒ—๊ฒจ๋‚ธ ๊ฒƒ์ด๋‹ค. ์ ˆ์—ฐ์ฒด ์•„๋ž˜๋กœ ๊ธˆ์† ์„ ์ด ์žˆ๋Š” ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค. ์ด ์„ ๋“ค์€ ๊ธˆ์† ์„ ์ด์ง€๋งŒ ์ „์„ ์€ ์•„๋‹ˆ๋‹ค. ์ด ์„ ์€ ์ „์ž๊ธฐ ์ฐจํ๋ฅผ ๋ชฉ์ ์œผ๋กœ ๋“ค์–ด๊ฐ„ ๊ธˆ์† ์„ ์ด๋‹ค. ์‹ค์ œ ์ „์„ ์€ ์ด ๊ธˆ์† ์„ ์„ ๋ฒ—๊ฒจ์•ผ ๋‚˜์˜จ๋‹ค. ์ด๋ฒˆ์— ์ž๋ฅธ ์ผ€์ด๋ธ”์—๋Š” ๋‘ ์ข…๋ฅ˜์˜ ์ฐจํ๊ฐ€ ์‚ฌ์šฉ๋๋‹ค. ํ•˜๋‚˜๋Š” ์–‡์€ ๊ธˆ์† ํ˜ธ์ผ์ด๊ณ , ๋‹ค๋ฅธ ํ•˜๋‚˜๋Š” ์–‡์€ ๋„์ฒด์˜ ๊ฐ€๋‹ฅ์œผ๋กœ ์ด๋ฃจ์–ด์ ธ ์žˆ๋‹ค. ์ „์ž๋Š” ๋ณดํ†ต ํ˜ธ์ผ ์ฐจํ(Foil Shielding)๋ผ๊ณ  ๋ถ€๋ฅด๊ณ  ํ›„์ž๋Š” ํŽธ์กฐ ์ฐจํ(Braided Shielding)๋ผ๊ณ  ๋ถ€๋ฅธ๋‹ค. ์ด ๋‘˜์€ ๋‹ค ์™ธ๋ถ€ ์ „์ž๊ธฐ์žฅ์œผ๋กœ๋ถ€ํ„ฐ ์ „์„ ์„ ๋ณดํ˜ธํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜์ง€๋งŒ, ํŠน์„ฑ์ด ์•ฝ๊ฐ„ ๋‹ค๋ฅด๋‹ค. ๋ณดํ†ต ํŽธ์กฐ ์ฐจํ๊ฐ€ ์ €์ฃผํŒŒ์ˆ˜ ์ „์ž๊ธฐํŒŒ๋ฅผ ์ฐจ๋‹จํ•˜๋Š” ๊ฒƒ์— ํšจ๊ณผ์ ์ด๊ณ , ํ˜ธ์ผ ์ฐจํ๊ฐ€ ๊ณ ์ฃผํŒŒ์ˆ˜ ์ „์ž๊ธฐํŒŒ๋ฅผ ์ฐจ๋‹จํ•˜๋Š” ๋ฐ ํšจ๊ณผ์ ์ด๋‹ค. USB 3.0์˜ ๊ณ ์† ์ „์†ก ์ผ€์ด๋ธ”์€ ์ด ๋‘ ์ฐจํ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ํ•„์ˆ˜์ ์ด๊ณ , ๊ทธ ์™ธ์˜ ๊ฒฝ์šฐ์—๋Š” ํ•„์ˆ˜๋Š” ์•„๋‹ˆ๊ณ  ๊ถŒ์žฅ ์‚ฌํ•ญ์ด๋‹ค. ํ•˜์ง€๋งŒ ์–ด์ง€๊ฐ„ํ•œ ์‹ธ๊ตฌ๋ ค ์ผ€์ด๋ธ”์„ ์“ฐ์ง€ ์•Š๋Š” ํ•œ ์š”์ฆ˜์€ USB 2.0 ์ผ€์ด๋ธ”์—๋„ ์ด ๋‘ ๊ฐ€์ง€๋ฅผ ๊ฐ™์ด ์‚ฌ์šฉํ•œ๋‹ค. ์ฐจํ ์„ ์ด ์‰ด๋“œ์™€ ์—ฐ๊ฒฐ๋˜์ง€ ์•Š์•˜๋‹ค ํ•˜์ง€๋งŒ ๊ณ ์† ์ „์†ก์„ ์ง€์›ํ•˜๋Š” ์ผ€์ด๋ธ”์ด ... [Read more ยป](https://blog.seulgi.kim/2024/09/blog-post.html "USB 2.0 ์ผ€์ด๋ธ”์˜ ๋‚ด๋ถ€ ๊ตฌ์กฐ") ### [USB๋ฅผ ์ด์šฉํ•œ ์ „์› ๊ณต๊ธ‰ (2) - USB PD](https://blog.seulgi.kim/2025/05/blog-post.html) \- [5์›” 05, 2025](https://blog.seulgi.kim/2025/05/blog-post.html "permanent link") USB ํฌํŠธ๋Š” ์›๋ž˜ ๋ฐ์ดํ„ฐ ์ „์†ก์„ ์œ„ํ•œ ์ธํ„ฐํŽ˜์ด์Šค์˜€์ง€๋งŒ, ์‹œ๊ฐ„์ด ์ง€๋‚˜๋ฉด์„œ ์ „๋ ฅ ๊ณต๊ธ‰ ์ˆ˜๋‹จ์œผ๋กœ๋„ ํ™œ์šฉ๋˜๊ธฐ ์‹œ์ž‘ํ–ˆ๋‹ค. ์ด๋ฅผ ์ง€์›ํ•˜๊ธฐ ์œ„ํ•ด USB BC ๊ฐ€ ๋„์ž…๋˜์—ˆ๊ณ , ๊ธฐ์กด๋ณด๋‹ค ๋†’์€ ์ „๋ฅ˜๋ฅผ ์ œ๊ณตํ•  ์ˆ˜ ์žˆ๋„๋ก ๊ฐœ์„ ๋˜์—ˆ๋‹ค. ํ•˜์ง€๋งŒ USB BC 1.2๋Š” 5 V ์ „์•• ๊ณ ์ •์ด๋ผ๋Š” ํ•œ๊ณ„๋ฅผ ๊ฐ–๊ณ  ์žˆ์–ด, ๋…ธํŠธ๋ถ ๊ฐ™์€ ๊ณ ์ถœ๋ ฅ ๊ธฐ๊ธฐ๋ฅผ ์ถฉ์ „ํ•˜๊ธฐ์—๋Š” ๋ถ€์กฑํ–ˆ๋‹ค. ์ด๋Ÿฐ ์ œ์•ฝ ์กฐ๊ฑด์„ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ์ œ์กฐ์‚ฌ๋งˆ๋‹ค ๋ณ„๋„์˜ ๊ธ‰์† ์ถฉ์ „ ๋ฐฉ์‹์„ ๋งŒ๋“ค๊ธฐ ์‹œ์ž‘ํ–ˆ๊ณ , ์ด๋กœ ์ธํ•ด ํŠน์ • ๋ธŒ๋žœ๋“œ์˜ ๋””๋ฐ”์ด์Šค๋Š” ํ•ด๋‹น ๋ธŒ๋žœ๋“œ์˜ ์ถฉ์ „๊ธฐ์—์„œ๋งŒ ๊ณ ์† ์ถฉ์ „์ด ๊ฐ€๋Šฅํ•œ ํ˜ธํ™˜์„ฑ ๋ฌธ์ œ๋„ ๋ฐœ์ƒํ•˜์˜€๋‹ค. ์ด๋Ÿฌํ•œ ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด USB-IF๋Š” USB Power Delivery(a.k.a. USB PD)๋ผ๋Š” ์ „๋ ฅ ๊ณต๊ธ‰์„ ์œ„ํ•œ ์ƒˆ๋กœ์šด ํ‘œ์ค€์„ ๋งŒ๋“ค์—ˆ๋‹ค. USB PD๋Š” ์ „์••๊ณผ ์ „๋ฅ˜๋ฅผ ๋™์ ์œผ๋กœ ํ˜‘์ƒํ•˜๋Š” ๋ฐฉ์‹์„ ์ฑ„ํƒํ•˜์—ฌ, 5 V ๋ฟ๋งŒ ์•„๋‹ˆ๋ผ 9 V , 15 V , 20 V ๋“ฑ ๋‹ค์–‘ํ•œ ์ „์••์„ ์ง€์›ํ•˜๊ณ  ์ตœ๋Œ€ 240 W ๊นŒ์ง€ ์ „๋ ฅ์„ ๊ณต๊ธ‰ํ•  ์ˆ˜ ์žˆ๋„๋ก ์„ค๊ณ„๋˜์—ˆ๋‹ค. ์ด๋ฅผ ํ†ตํ•ด ์Šค๋งˆํŠธํฐ๋ถ€ํ„ฐ ๋…ธํŠธ๋ถ, ๋ชจ๋‹ˆํ„ฐ, ์ด๋ก ์ƒ์œผ๋กœ๋Š” ์ผ๋ถ€ ๋ฐ์Šคํฌํ†ฑ ๊ธฐ๊ธฐ๊นŒ์ง€ USB-C ํ•˜๋‚˜๋กœ ์ „์› ๊ณต๊ธ‰์ด ๊ฐ€๋Šฅํ•ด์กŒ์œผ๋ฉฐ, ์žฅ์น˜ ๊ฐ„์˜ ํ˜ธํ™˜์„ฑ๊ณผ ๋ฒ”์šฉ์„ฑ์ด ํฌ๊ฒŒ ํ–ฅ์ƒ๋˜์—ˆ๋‹ค. USB PD์™€ CC ๋ผ์ธ USB PD๊ฐ€ USB BC๋ณด๋‹ค ๋” ๋งŽ์€ ์ „๋ ฅ์„ ๊ณต๊ธ‰ํ•  ์ˆ˜ ์žˆ์—ˆ๋˜ ๊ฒƒ์€ Type-C ์ปจ๋„ฅํ„ฐ, ํŠนํžˆ CC ํ•€์˜ ์กด์žฌ ๋•๋ถ„์ด๋‹ค. USB Type-C ์ปค๋„ฅํ„ฐ๋Š” ์ขŒ์šฐ ๋Œ€์นญ ๊ตฌ์กฐ๋ฅผ ์ฑ„ํƒํ•˜์—ฌ ์–ด๋А ๋ฐฉํ–ฅ์œผ๋กœ ๊ฝ‚์•„๋„ ๋™์ž‘ํ•  ์ˆ˜ ์žˆ๋„๋ก ์„ค๊ณ„๋˜์—ˆ์œผ๋ฉฐ, ์ด ๋ฐฉํ–ฅ ๊ฐ์ง€๋ฅผ ๋‹ด๋‹นํ•˜๋Š” ๊ฒƒ์ด ๋ฐ”๋กœ Configuration Channel(a.k.a. CC) ํ•€์ด๋‹ค. ๊ธฐ๋ณธ์ ์œผ๋กœ CC ํ•€์€ ์ผ€์ด๋ธ”์˜ ๋ฐฉํ–ฅ์„ ๊ฐ์ง€ํ•˜๊ณ , ์—ฐ๊ฒฐ๋œ ์žฅ์น˜๊ฐ€ ์ „๋ ฅ ๊ณต๊ธ‰์ž์ธ์ง€ ์†Œ๋น„์ž์ธ์ง€ ์‹๋ณ„ํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋œ๋‹ค. USB PD์—์„œ๋Š” ์ด CC ํ•€์„ ์ด์šฉํ•ด ์ „๋ ฅ ํ˜‘์ƒ์„ ์œ„ํ•œ ๋””์ง€ํ„ธ ํ†ต์‹ ์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. ์†Œ์Šค ๋””๋ฐ”์ด์Šค(์ „๋ ฅ์„ ๊ณต๊ธ‰ํ•˜๋Š” ๊ธฐ๊ธฐ)๋Š” ์ž์‹ ์ด ์ œ๊ณตํ•  ์ˆ˜ ์žˆ๋Š” ์ „๋ ฅ ํ”„๋กœํŒŒ์ผ์„ CC ํ•€์„ ํ†ตํ•ด ์‹ฑํฌ ๋””๋ฐ”์ด์Šค(์ „๋ ฅ์„ ์†Œ๋น„ํ•˜๋Š” ๊ธฐ๊ธฐ)์—๊ฒŒ ์•Œ๋ฆฌ๊ณ , ์‹ฑํฌ ๋””๋ฐ”์ด์Šค๋Š” ๊ทธ ์ค‘... [Read more ยป](https://blog.seulgi.kim/2025/05/blog-post.html "USB๋ฅผ ์ด์šฉํ•œ ์ „์› ๊ณต๊ธ‰ (2) - USB PD") ### [USB๋ฅผ ์ด์šฉํ•œ ์ „์› ๊ณต๊ธ‰ (1) - USB BC](https://blog.seulgi.kim/2025/01/usb-1-usb-bc.html) \- [1์›” 27, 2025](https://blog.seulgi.kim/2025/01/usb-1-usb-bc.html "permanent link") USB๋Š” ๋ฐ์ดํ„ฐ ์ „์†ก์„ ๋ชฉ์ ์œผ๋กœ ์„ค๊ณ„๋˜์—ˆ์ง€๋งŒ, ์ „์› ๊ณต๊ธ‰ ๊ธฐ๋Šฅ๋„ ํฌํ•จํ•˜๊ณ  ์žˆ๋‹ค. ์ด๋Š” USB๋กœ ์—ฐ๊ฒฐ๋œ ๊ฐ„๋‹จํ•œ ์ €์ „๋ ฅ ๊ธฐ๊ธฐ๋ฅผ ๋™์ž‘์‹œํ‚ค๊ธฐ ์œ„ํ•œ ๊ฒƒ์ด๋‹ค. ๊ทธ๋ž˜์„œ USB 2.0์—์„œ๋Š” 5V ์ „์••๊ณผ 0.5A์˜ ์ „๋ฅ˜๋ฅผ, USB 3.2์—์„œ๋Š” 5V ์ „์••๊ณผ 0.9A์˜ ์ „๋ฅ˜ ๊ณต๊ธ‰์ด ๊ฐ€๋Šฅํ•˜๋‹ค. ํ•˜์ง€๋งŒ ์ด ์ŠคํŽ™์€ ์–ด๋””๊นŒ์ง€๋‚˜ USB๋ฅผ ํ†ตํ•œ ๋ฐ์ดํ„ฐ ํ†ต์‹ ์„ ํ•˜๋Š” ๋ฐ ํ•„์š”ํ•œ ๋””๋ฐ”์ด์Šค๋ฅผ ๋™์ž‘์‹œํ‚ค๊ธฐ ์œ„ํ•จ์ด์ง€, USB๋ฅผ ์ „์› ๊ณต๊ธ‰์„ ์œ„ํ•ด ์ด์šฉํ•˜๋ ค๋Š” ๋ชฉ์ ์€ ์•„๋‹ˆ์—ˆ๋‹ค. ๋”ฐ๋ผ์„œ ์ €์ „๋ ฅ ๊ธฐ๊ธฐ๊ฐ€ ์•„๋‹Œ ์™ธ์žฅ ํ•˜๋“œ ๊ฐ™์€ ๋””๋ฐ”์ด์Šค๋Š” ๋ณ„๋„์˜ ์ „์› ๊ณต๊ธ‰์„ ํ•„์š”๋กœ ํ–ˆ๊ณ , USB๋ฅผ ํ†ตํ•œ ์ „์› ์ถฉ์ „์€ USB๊ฐ€ ๋ณธ๋ž˜ ์˜๋„ํ–ˆ๋˜ ๊ธฐ๋Šฅ์ด ์•„๋‹Œ ์ผ์ข…์˜ ๋ถ€์ž‘์šฉ์— ๊ฐ€๊นŒ์šด ์ผ์ด์—ˆ๋‹ค. ํ•˜์ง€๋งŒ iPod์„ ๋น„๋กฏํ•œ ๋งŽ์€ MP3 ํ”Œ๋ ˆ์ด์–ด๋‚˜ PMP ํ”Œ๋ ˆ์ด์–ด๋“ค์ด ์ด๋ฅผ ์ด์šฉํ•œ ์ถฉ์ „ ๊ธฐ๋Šฅ์„ ๊ฐ€์ง€๊ณ  ๋‚˜์™”๋‹ค. ์–ด์ฐจํ”ผ ๋ฐ์ดํ„ฐ ํ†ต์‹ ์„ ์œ„ํ•ด USB ํฌํŠธ๊ฐ€ ํ•„์š”ํ•˜๋‹ˆ ๋ณ„๋„์˜ ์ถฉ์ „ ํฌํŠธ๋ฅผ ๋งŒ๋“œ๋Š” ๊ฒƒ๋ณด๋‹ค USB ํฌํŠธ๋ฅผ ์žฌ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๊ธฐ๊ธฐ๋ฅผ ์‹ธ๊ณ  ๊ฐ€๋ณ๊ณ  ์ž‘๊ฒŒ ๋งŒ๋“ค ์ˆ˜ ์žˆ์—ˆ๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. ๊ฒฐ๊ตญ ๋ธŒ๋žœ๋“œ๋งˆ๋‹ค ๋…์ž์ ์ธ USB๋ฅผ ํ†ตํ•œ ์ „์› ์ถฉ์ „ ๊ทœ๊ฒฉ๋“ค์ด ๋งŒ๋“ค์–ด์กŒ. ์‚ฌ๋žŒ๋“ค์€ ์ด๋Ÿฐ ํ˜ผ๋ž€์Šค๋Ÿฌ์šด ์ƒํ™ฉ์ด ํ•ด๊ฒฐ๋˜๊ธฐ๋ฅผ ์›ํ–ˆ๊ณ , ๊ฒฐ๊ตญ 2007๋…„ USB-IF๋Š” USB Battery Charging(a.k.a. BC)๋ผ๋Š” ํ‘œ์ค€์„ ๋งŒ๋“ค์–ด USB ์ถฉ์ „๊ธฐ๋ฅผ ํ‘œ์ค€์˜ ์˜์—ญ์œผ๋กœ ๊ฐ€์ง€๊ณ  ์™”๋‹ค. SDP DCP CDP ๋ฐ์ดํ„ฐ ์ „์†ก ๊ฐ€๋Šฅ ๋ฐ์ดํ„ฐ ์ „์†ก ๋ถˆ๊ฐ€ ๋ฐ์ดํ„ฐ ์ „์†ก ๊ฐ€๋Šฅ ์ตœ๋Œ€ 0.5A(USB 2.0) ์ตœ๋Œ€ 0.9A(USB3.x) ์ตœ๋Œ€ 1.5A ์ตœ๋Œ€ 1.5A ๋ณ„๋„ ํ•ธ๋“œ์…ฐ์ดํฌ ์—†์Œ D+/D- ์‡ผํŠธ D+/D- ๋ผ์ธ์— ๋…๋ฆฝ์ ์œผ๋กœ ์ „์••์„ ๊ฐ€ํ•ด ํ•ธ๋“œ์…ฐ์ดํฌ ๋ฐ์Šคํฌํ†ฑ, ๋…ธํŠธ๋ถ ๋“ฑ์—์„œ ์‚ฌ์šฉ USB ์ถฉ์ „๊ธฐ์—์„œ ์ฃผ๋กœ ์‚ฌ์šฉ ๋ฐ์Šคํฌํ†ฑ, ๋…ธํŠธ๋ถ... [Read more ยป](https://blog.seulgi.kim/2025/01/usb-1-usb-bc.html "USB๋ฅผ ์ด์šฉํ•œ ์ „์› ๊ณต๊ธ‰ (1) - USB BC") ### [USB 2.0 ๊ณผ 3.x์˜ ์ปจ๋„ฅํ„ฐ ํ˜ธํ™˜์„ฑ](https://blog.seulgi.kim/2024/12/usb-20-3x.html) \- [12์›” 29, 2024](https://blog.seulgi.kim/2024/12/usb-20-3x.html "permanent link") ์ง€๋‚œ ๊ธ€ ์—์„œ ์„ค๋ช…ํ–ˆ๋“ฏ์ด USB 2.0์—์„œ๋Š” VCC / GND / D+ / D- 4๊ฐœ์˜ ์ผ€์ด๋ธ”์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์— 4๊ฐœ์˜ ํ•€๋งŒ ํ•„์š”ํ•˜๋‹ค. USB 3.x ์ผ€์ด๋ธ”์„ ์œ„ํ•ด ํ•„์š”ํ•œ ์ผ€์ด๋ธ”์€ VCC / GND ์™€ ๊ณ ์† ์ „์†ก์„ ์œ„ํ•œ ๋‘ ์Œ์˜ ๋ ˆ์ธ( SSRx+ , SSRx- , SSTx+ , SSTx- ๋ผ๊ณ  ํ•œ๋‹ค. ์ด์— ๋Œ€ํ•œ ์ž์„ธํ•œ ์„ค๋ช…์€ ๋‹ค์Œ ๊ธฐํšŒ์— ํ•˜๋„๋ก ํ•˜๊ฒ ๋‹ค.) ๊ทธ๋ฆฌ๊ณ  ํ˜น์‹œ ์ฐจํ์— ์Œ“์—ฌ์žˆ์„ ์ˆ˜ ์žˆ๋Š” ๋…ธ์ด์ฆˆ๋ฅผ ์ ‘์ง€๋กœ ๋ณด๋‚ด ์•ˆ์ „ํ•˜๊ฒŒ ์ œ๊ฑฐํ•˜๊ธฐ ์œ„ํ•œ GND\_DRAIN ์ผ€์ด๋ธ”๊นŒ์ง€ ์ด 7๊ฐœ์˜ ์ผ€์ด๋ธ”์ด ์‚ฌ์šฉ๋œ๋‹ค. ์ด ์ค‘ VCC ์™€ GND ๋Š” USB 2.0์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์„ ๊ณผ ๊ณต์œ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— ์ƒˆ๋กœ์šด 5๊ฐœ์˜ ์„ ์ด ๋” ํ•„์š”ํ•˜๋‹ค. ์ด๋ฏธ์ง€ ์ถœ์ฒ˜: Wikipedia ์ด๋ฏธ์ง€ ์ถœ์ฒ˜: Wikipedia ์ด 5๊ฐœ์˜ ์„ ์„ ํ•€์— ์—ฐ๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด USB 3.0 ํ‘œ์ค€์€ ์ƒˆ๋กœ์šด ๋ชจ์–‘์˜ Type B ์ปจ๋„ฅํ„ฐ๋ฅผ ๋„์ž…ํ–ˆ๋‹ค. ๊ธฐ์กด Type B ์ปจ๋„ฅํ„ฐ๋Š” 4๊ฐœ์˜ ํ•€๋งŒ์„ ๊ฐ€์ง€๊ณ  ์žˆ๊ณ  ํ™•์žฅํ•  ์ˆ˜ ์—†๋Š” ๊ตฌ์กฐ๋กœ ๋ผ์žˆ๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. ๋”ฐ๋ผ์„œ Type B ์ปจ๋„ฅํ„ฐ์˜ ๊ฒฝ์šฐ์—๋Š” ์ปจ๋„ฅํ„ฐ ๋ชจ์–‘๋งŒ์œผ๋กœ๋„ USB 2.0 ์ผ€์ด๋ธ”์ธ์ง€ USB 3.0 ์ผ€์ด๋ธ”์ธ์ง€ ์‰ฝ๊ฒŒ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์žˆ๋‹ค. ํ•˜์ง€๋งŒ Type A ์ปจ๋„ฅํ„ฐ๋‚˜ Type C ์ปจ๋„ฅํ„ฐ๋Š” ์ƒํ™ฉ์ด ๋‹ค๋ฅด๋‹ค. ์ƒํ•˜ ๋Œ€์นญ์œผ๋กœ 24๊ฐœ์˜ ํ•€์„ ๊ฐ€์ ธ ์ตœ๋Œ€ 12๊ฐœ์˜ ์„ ์„ ์—ฐ๊ฒฐํ•  ์ˆ˜ ์žˆ๋Š” Type C ์ปจ๋„ฅํ„ฐ๋Š” ์ปจ๋„ฅํ„ฐ ๋ชจ์–‘ ๋งŒ์œผ๋กœ USB 2.0 ์ผ€์ด๋ธ”์ธ์ง€ USB 3.x ์ผ€์ด๋ธ”์ธ์ง€ ๊ตฌ๋ถ„ํ•  ์ˆ˜ ์—†๊ณ , ์ผ€์ด๋ธ”์— SuperSpeed ๋กœ๊ณ ๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์ธํ•ด์•ผ ํ•œ๋‹ค. ๊ทธ๋ ‡์ง€ ์•Š์œผ๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์ด Type C - Type C ์ผ€์ด๋ธ”์ด์ง€๋งŒ ์ตœ๋Œ€ ์ „์†ก ์†๋„๊ฐ€ 480 Mbps์ธ ์ผ€์ด๋ธ”์„ ๋งŒ๋‚˜๊ฒŒ ๋œ๋‹ค. USB 2.0 Type C ์ผ€์ด๋ธ”๋„ ์กด์žฌํ•œ๋‹ค. Type A ์ปจ๋„ฅํ„ฐ๋Š” ์ƒํ™ฉ์ด ์ข€ ์žฌ๋ฐŒ๋‹ค. Type A ์ปจ๋„ฅํ„ฐ๋„ ์›๋ž˜๋Š” 4๊ฐœ์˜ ํ•€๋งŒ์„ ์ง€์›ํ•˜๋„๋ก ์„ค๊ณ„๋๋‹ค. ํ•˜์ง€๋งŒ Type B์™€๋Š” ๋‹ค๋ฅด๊ฒŒ Type A ์ปจ๋„ฅํ„ฐ๋Š” ๋„ˆ๋ฌด ๋งŽ์ด ์‚ฌ์šฉ๋๋‹ค. ๋”ฐ๋ผ์„œ USB 3.x๋ฅผ ์œ„ํ•ด ์ƒˆ๋กœ์šด ๋ชจ์–‘์˜ ์ปจ๋„ฅํ„ฐ๋ฅผ... [Read more ยป](https://blog.seulgi.kim/2024/12/usb-20-3x.html "USB 2.0 ๊ณผ 3.x์˜ ์ปจ๋„ฅํ„ฐ ํ˜ธํ™˜์„ฑ") ### [USB 3.x ์ผ€์ด๋ธ” ๋ฌด์—‡์„ ๊ณจ๋ผ์•ผ ํ•˜๋‚˜](https://blog.seulgi.kim/2024/12/usb-3x.html) \- [1์›” 05, 2025](https://blog.seulgi.kim/2024/12/usb-3x.html "permanent link") 3\.1? 3.2? ์ด๊ฑด ๋ญ์ง€? Gen 1? Gen 2? ์ด๊ฑด ๋ญ์ง€? USB ์ผ€์ด๋ธ”์ด ํ•„์š”ํ•ด ์ธํ„ฐ๋„ท์— ๊ฒ€์ƒ‰ํ•˜๋ฉด ๋‹ค์–‘ํ•œ ์ผ€์ด๋ธ”์ด ๋‚˜์˜จ๋‹ค. ์—ฌ๊ธฐ์„œ ์ ๋‹นํ•œ ์ผ€์ด๋ธ”์„ ๊ณจ๋ผ์•ผ ํ•˜๋Š”๋ฐ ๋ณดํ†ต์€ ์—ฌ๊ธฐ์„œ๋ถ€ํ„ฐ ๋ง‰๋ง‰ํ•ด์ง„๋‹ค. 3.1๊ณผ 3.2์˜ ์ฐจ์ด๋Š” ๋ฌด์—‡์ด๊ณ  3.1 Gen 2์™€ 3.2 Gen 2๋Š” ๋ฌด์Šจ ์ฐจ์ด๊ฐ€ ์žˆ์„๊นŒ? 3.2 Gen 1์€ 3.1 Gen 2๋ณด๋‹ค ์ข‹์€ ๊ฒƒ์ผ๊นŒ? ์‚ฌ๋žŒ๋“ค์—๊ฒŒ ํ˜ผ๋ž€์„ ์ฃผ๋Š” ๊ฐ€์žฅ ํฐ ์š”์ธ์€ USB 3.x์˜ ๋ณต์žกํ•œ ๋ช…๋ช… ๋ฐฉ์‹์ด๋ผ๊ณ  ์ƒ๊ฐํ•œ๋‹ค. USB 3.0, USB 3.1, USB 3.2. ์ด๋ฆ„๋งŒ ๋ณด๋ฉด USB 3.1์€ USB 3.0๋ณด๋‹ค ๋ฐœ์ „๋๊ณ , USB 3.2๋Š” USB 3.1๋ณด๋‹ค ๋ฐœ์ „๋œ ๊ฒƒ์œผ๋กœ ๋ณด์ธ๋‹ค. ํ•˜์ง€๋งŒ USB 3.2์—์„œ ๊ทœ์ •ํ•˜๋Š” ๋ชจ๋“  ๊ธฐ์ˆ ์ด USB 3.1์—์„œ ๊ทœ์ •ํ•˜๋Š” ๋ชจ๋“  ๊ธฐ์ˆ ๋ณด๋‹ค ๋ฐœ์ „ํ•œ ๊ธฐ์ˆ ์€ ์•„๋‹ˆ๋‹ค. ๊ทธ ์ด์œ ๋Š” ์ด๋“ค ํ‘œ์ค€์ด ์ด์ „ ๋ฒ„์ „์„ ํฌํ•จํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ์„ค๊ณ„๋๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, USB 3.1 ํ‘œ์ค€์€ USB 3.0 ํ‘œ์ค€ ๋ฌธ์„œ์—์„œ ์ •์˜๋œ ๊ธฐ๋Šฅ๊ณผ ์ถ”๊ฐ€๋œ ๊ธฐ๋Šฅ์„ ํฌํ•จํ•˜๋ฉฐ, USB 3.2 ํ‘œ์ค€์€ USB 3.1 ํ‘œ์ค€ ๋ฌธ์„œ์—์„œ ์ •์˜ํ•˜๋Š” ๊ธฐ๋Šฅ๊ณผ ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ํฌํ•จํ•˜๊ณ  ์žˆ๋‹ค. ์ด๋ ‡๊ฒŒ ํฌํ•จ ๊ตฌ์กฐ๋กœ ์„ค๊ณ„๋œ ํ‘œ์ค€์€ ํ‘œ์ค€ ๋ฌธ์„œ๋ผ๋Š” ๊ธฐ์ˆ ์  ์ธก๋ฉด์—์„œ๋Š” ํ•ฉ๋ฆฌ์ ์ธ ์„ ํƒ์ด๋‹ค. ํ•˜์ง€๋งŒ ์ด๋Ÿฐ ์ด๋ฆ„์ด ์ข‹์€ ๋ธŒ๋žœ๋”ฉ ๋ฐฉ์‹์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜์ง€ ์•Š๋Š”๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด ์ด ๊ธ€์—์„œ๋„ USB 3.x ํ‘œ์ค€์— ๊ธฐ๋ฐ˜ํ•œ ์ผ€์ด๋ธ”์€ ์ •ํ™•ํžˆ ๋ถ€๋ฅผ ์ด๋ฆ„์ด ์—†์–ด ๊ทธ๋ƒฅ USB 3.x๋ผ๋Š” ์ด๋ฆ„์œผ๋กœ ๋ญ‰๋œฝ๊ทธ๋ ค ๋ถ€๋ฅด๊ณ  ์žˆ๋‹ค. ์ด์™€ ๊ฐ™์€ ํ˜ผ๋ž€์„ ํ•ด์†Œํ•˜๊ธฐ ์œ„ํ•ด USB4์—์„œ๋Š” ๋ชจ๋“  ํ‘œ์ค€์„ USB4๋ผ๋Š” ํ•˜๋‚˜์˜ ๋ธŒ๋žœ๋“œ๋กœ ๋ฌถ๊ณ , ํ‘œ์ค€ ๋ฌธ์„œ์— Version 1๊ณผ Version 2๋ผ๊ณ  ๋ฒ„์ „์„ ๋ถ™์ด๋Š” ๋ฐฉ์‹์„ ํƒํ–ˆ๋‹ค. ์ด๋Š” ์†Œ๋น„์ž๋“ค์ด ๋ฒ„์ „ ๊ฐ„ ์ฐจ์ด๋ฅผ ๋ช…ํ™•ํžˆ ์ดํ•ดํ•  ์ˆ˜ ์žˆ๋„๋ก ๋…ธ๋ ฅํ•œ ๊ฒƒ์œผ๋กœ ๋ณด์ธ๋‹ค. USB 3.0 ์šฐ์„  USB 3.0์ด USB 2.0๊ณผ ๋น„๊ตํ•ด ๊ฐ€์ง€๋Š” ๊ฐ€์žฅ ํฐ ์žฅ์ ์€ ์ „์†ก์†๋„๋‹ค. ๊ธฐ์กด์— ์‚ฌ์šฉํ•˜๋˜ USB 2.0 ์ผ€์ด๋ธ”์€ ์ตœ๋Œ€ 480 Mbps. ์ฆ‰, 60 MB/s์˜ ์ „์†ก ์†๋„๋ฅผ ๊ฐ€์กŒ๋‹ค. USB 2.0์ด ๋„์ž…๋˜๋˜ ... [Read more ยป](https://blog.seulgi.kim/2024/12/usb-3x.html "USB 3.x ์ผ€์ด๋ธ” ๋ฌด์—‡์„ ๊ณจ๋ผ์•ผ ํ•˜๋‚˜") [Powered by Blogger](https://www.blogger.com/) ํ…Œ๋งˆ ์ด๋ฏธ์ง€ ์ œ๊ณต: [Michael Elkan](http://www.offset.com/photos/394244) Copyright @ 2013-2025 [Seulgi Kim](mailto:dev@seulgi.kim). 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[phantom type](https://blog.seulgi.kim/search/label/phantom%20type) [property](https://blog.seulgi.kim/search/label/property) [prototype](https://blog.seulgi.kim/search/label/prototype) [reflection](https://blog.seulgi.kim/search/label/reflection) [regular expression](https://blog.seulgi.kim/search/label/regular%20expression) [rhino](https://blog.seulgi.kim/search/label/rhino) [same-origin policy](https://blog.seulgi.kim/search/label/same-origin%20policy) [sealed](https://blog.seulgi.kim/search/label/sealed) [secure tree](https://blog.seulgi.kim/search/label/secure%20tree) [shard key](https://blog.seulgi.kim/search/label/shard%20key) [shutdown hook](https://blog.seulgi.kim/search/label/shutdown%20hook) [slack](https://blog.seulgi.kim/search/label/slack) [span](https://blog.seulgi.kim/search/label/span) [sprite](https://blog.seulgi.kim/search/label/sprite) [ssh](https://blog.seulgi.kim/search/label/ssh) [state trie pruning](https://blog.seulgi.kim/search/label/state%20trie%20pruning) 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์˜ค๋Š˜ ํ™ฉ๋‹นํ•œ ๊ธ€์„ ๋ดค๋‹ค. > ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ํ”„๋กœ๊ทธ๋žจ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์€ C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. ์ผ๋‹จ ์ € ๋ง์€ C++์˜ ์ฐฝ์‹œ์ž์ธ [๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์Šคํˆฌ๋ฃน](https://www.stroustrup.com/bs_faq.html#C-is-subset)์ด ํ•œ ๋ง์ด๋‹ค. ํ•˜์ง€๋งŒ ์ € ๋ง์€ ํ‹€๋ฆฐ ๋ง์ด๋‹ค. "๋„ค๊ฐ€ ๋ญ”๋ฐ ๊ฐํžˆ ๋น„์•ผ๋„ค๋‹˜์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋А๋ƒ"๋ผ๋Š” ์ƒ๊ฐ์ด ๋“ค๊ฒ ์ง€๋งŒ ์ž ์‹œ๋งŒ ์ง„์ •ํ•˜์ž. ๋‚˜๋Š” ๋น„์•ผ๋„ค๋‹˜์ด ํ‹€๋ ธ๋‹ค๊ณ  ํ•˜์ง€ ์•Š์•˜๋‹ค. ๋‚ด๊ฐ€ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์€ ์•„๋ฌด๋Ÿฐ ๋ฌธ๋งฅ๋„ ์—†์ด ๊ทธ๋ƒฅ ์ € ๋ฌธ๊ตฌ๋งŒ ๋”ฐ์™€์„œ ๋งํ•˜๋Š” ์‚ฌ๋žŒ์„ ํ‹€๋ฆฌ๋‹ค๊ณ  ํ•˜๋Š” ๊ฒƒ์ด๋‹ค. ์ € ๋ง์€ ๋ถ„๋ช…ํžˆ 1999๋…„ ์ด์ „๊นŒ์ง€๋Š” ๋งž์•˜๋˜ ๋ง์ด๋‹ค. ๋ถ„๋ช…ํžˆ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ C++์„ ๋งŒ๋“ค๋ฉด์„œ C์™€์˜ ํ˜ธํ™˜์„ฑ์„ ๊ณ ๋ คํ•˜์˜€๊ณ , ๋‹น์‹œ์˜ ํ‘œ์ค€(ANSI C)์„ ์ž˜ ์ง€ํ‚จ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ •์ƒ์ ์œผ๋กœ ์ปดํŒŒ์ผ ๋˜์—ˆ๋‹ค. ํ•˜์ง€๋งŒ ๊ทธ๊ฒƒ์€ ์–ด๋””๊นŒ์ง€๋‚˜ C99๊ฐ€ ๋‚˜์˜ค๊ธฐ ์ „์˜ ์ด์•ผ๊ธฐ๋‹ค. C99์—์„œ๋Š” ์—ฌ๋Ÿฌ ๊ฐ€์ง€ ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ๋„์ž…ํ•˜์˜€๊ณ , C++์€ ๊ทธ๊ฒƒ์„ ์ด๋ฏธ ๋‹ค๋ฅธ ๋ฐฉ์‹์œผ๋กœ ๊ตฌํ˜„ํ•˜๊ณ  ์žˆ์—ˆ๊ฑฐ๋‚˜, ํ˜น์€ ํ•„์š”ํ•˜์ง€ ์•Š์€ ๊ธฐ๋Šฅ์ด๋ผ๊ณ  ์ƒ๊ฐํ•˜์—ฌ ๊ฐ€์ง€๊ณ  ์˜ค์ง€ ์•Š์•˜๋‹ค. ๊ฒŒ๋‹ค๊ฐ€ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ C11์ด ๋‚˜์˜ค๊ณ , C++๋„ ์ƒˆ๋กœ์šด ํ‘œ์ค€์ธ 03, 11์„ ๊ฑฐ์ณ 14๊นŒ์ง€ ๋‚˜์˜ค๋ฉด์„œ ๋‘˜ ์‚ฌ์ด์˜ ๊ฐ„๊ทน์€ ์ด๋ฏธ ์–ด๋–ป๊ฒŒ ํ•  ์ˆ˜ ์—†์„ ์ •๋„๋กœ ์ปค์กŒ๋‹ค. ๊ทธ๋Ÿฐ ์—ฐ์œ ๋กœ ๋น„์•ผ๋„ค ์ŠคํŠธ๋กญ์ŠคํŠธ๋ฃน์€ ์ž˜ ์งœ์ธ C ํ”„๋กœ๊ทธ๋žจ์ด C++ ํ”„๋กœ๊ทธ๋žจ์ด๋ผ๊ณ  ๋งํ•  ๋•Œ ์กฐ๊ฑด์„ ๋ถ™์ธ๋‹ค. "๋‹จ, ์ด๊ฑด C89์— ํ•œ์ •ํ•œ๋‹ค."๋ผ๊ณ . ํ•˜์ง€๋งŒ ์š”์ƒˆ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ์ด ์–ผ๋งˆ๋‚˜ ์žˆ๋‚˜? ์•กํ‹ฐ๋ธŒํ•˜๊ฒŒ ์ž‘์—…์ด ์ง„ํ–‰๋˜๋Š” ํ”„๋กœ์ ํŠธ ์ค‘์—์„œ C89๋ฅผ ์“ฐ๋Š” ํ”„๋กœ๊ทธ๋žจ ์žˆ์œผ๋ฉด ๊ฐ€์ง€๊ณ  ์™€๋ด๋ผ. ์ฐพ์œผ๋ ค๊ณ  ๋…ธ๋ ฅํ•ด๋ณธ ์ ์€ ์—†์ง€๋งŒ ์ฐพ๊ธฐ ์–ด๋ ค์šธ ๊ฒƒ์ด๋‹ค. ๋”ฐ๋ผ์„œ ์š”์ƒˆ ์ €๋Ÿฐ ๋ง์„ ํ•˜๋Š” ์‚ฌ๋žŒ์€ ๊ทธ๋ƒฅ ๊ณต๋ถ€๋ฅผ ์•ˆ ํ•œ ์‚ฌ๋žŒ์ด๋‹ค. ๊ทธ๊ฒƒ๋„ ํ•œ 20๋…„ ์ „์— ๊ณต๋ถ€ํ–ˆ๋˜ ์‚ฌ๋žŒ์ด๋‹ˆ ๋Œ€์„ ๋ฐฐ๋‹˜์ผ ์ˆ˜๋„ ์žˆ๊ฒ ๋‹ค. ๊ทธ ์‚ฌ๋žŒ์—๊ฒŒ C99 ์ดํ›„ C++๊ณผ ์ŠคํŽ™์ด ๋ณ€๊ฒฝ๋˜์–ด C99 ํ‘œ์ค€์„ ์ง€ํ‚จ ์ฝ”๋“œ๋Š” C++์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ์•ˆ ๋  ์ˆ˜๋„ ์žˆ๋‹ค๊ณ  ํ–ˆ๋”๋‹ˆ, ๊ฑฐ๊ธฐ์— ๋‹ฌ๋ฆฐ ๋‹ต๋ณ€์€ ๋” ํ™ฉ๋‹นํ–ˆ๋‹ค. > ํ‘œ์ค€์ด ๋ฌธ์ œ๊ฐ€ ์•„๋‹ˆ๋ผ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๋ฉด C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผํ•  ์ˆ˜ ์žˆ์–ด์•ผ ํ•œ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š๋Š” ์ฝ”๋“œ๋ผ๋ฉด ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๊ฐ€ ์•„๋‹ˆ๋‹ค. ์•„.... ์ •๋ง ์ถฉ๊ฒฉ๊ณผ ๊ณตํฌ๋‹ค. ๋ฌด์Šจ ์ƒ๊ฐ์„ ํ•˜๋ฉด ์ž˜ ์งœ์ธ C์ฝ”๋“œ์˜ ๊ธฐ์ค€์„ C++์—์„œ ์ฐพ๋Š”์ง€ ๋ชจ๋ฅด๊ฒ ๋‹ค. ๋‘˜์€ ์ด๋ฏธ ๋‹ค๋ฅธ ์–ธ์–ด๋กœ ๋ถ„ํ™”๋˜์—ˆ๋‹ค. ํ•œ๋™์•ˆ ๋น„์•ผ๋„ค๋Š” [C์™€ C++์„ ํ•ฉ์น˜๋ ค๊ณ  ๋…ธ๋ ฅํ•˜๋˜ ์‹œ์ ˆ๋„ ์žˆ์ง€๋งŒ](https://www.stroustrup.com/bs_faq.html#merge), ์š”์ƒˆ๋Š” ํฌ๊ธฐํ•œ ๋“ฏ์ด ๋ณด์ธ๋‹ค. ์‹ฌ์ง€์–ด ๊ทธ๋Š” [C/C++์€ ์•„๋ฌด๊ฒƒ๋„ ๋ชจ๋ฅด๋Š” ์‚ฌ๋žŒ๋“ค์ด๋‚˜ ์“ฐ๋Š” ์šฉ์–ด๋กœ C์™€ C++์„ ํ•ฉ์ณ์„œ ๋ถˆ๋Ÿฌ์„œ๋Š” ์•ˆ๋œ๋‹ค](https://www.stroustrup.com/bs_faq.html#C-slash)๊ณ  ๋งํ•˜๊ธฐ๋„ ํ•œ๋‹ค. C์™€ C++์€ ์ด๋ฏธ ๊ฐ™์€ ์–ธ์–ด๊ฐ€ ์•„๋‹ˆ๋‹ค. C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ ๊ฐ€๋Šฅํ•œ ์ฝ”๋“œ๋งŒ์„ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋ผ๊ณ  ๋งํ•œ๋‹ค๋ฉด, C99 ์ดํ›„์— ์ƒˆ๋กœ ์ถ”๊ฐ€๋œ ๊ธฐ๋Šฅ์„ ์ „๋ถ€ ํฌ๊ธฐํ•˜๋Š” ๊ฒƒ๋ฐ–์— ๋˜์ง€ ์•Š๋Š”๋‹ค. ๋ถ„๋ช…ํ•˜๊ฒŒ ๋งํ•˜๊ฑด๋Œ€ ํ‘œ์ค€์„ ์ง€ํ‚ค๋ฉด์„œ ์ž˜ ์งœ์ธ C ์ฝ”๋“œ๋Š” C++ ์ปดํŒŒ์ผ๋Ÿฌ๋กœ ์ปดํŒŒ์ผ๋˜์ง€ ์•Š์„ ๊ฒƒ์ด๋‹ค. *** p.s. ์•„์‰ฝ๊ฒŒ๋„(ํ˜น์€ ๋‹คํ–‰ํžˆ๋„) ๋น„๊ณต๊ฐœ ์ปค๋ฎค๋‹ˆํ‹ฐ์— ์˜ฌ๋ผ์˜จ ๊ธ€์ด๋ผ ์›๋ณธ ๋งํฌ๋Š” ๋ชป ์˜ฌ๋ ธ๋‹ค.
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