ํฌ์ธํ„ฐํ™œ์šฉ๋ฒ• 1
[C์–ธ์–ด] C์–ธ์–ด์—์„œ์˜ ํฌ์ธํ„ฐ - ์ด์ค‘ ํฌ์ธํ„ฐ๋ถ€ํ„ฐ ํ•จ์ˆ˜ ํฌ์ธํ„ฐ๊นŒ์ง€ ์‘์šฉ ์˜ˆ์‹œ

๐Ÿคน‍โ™‚๏ธ ์—ฌ๋Ÿฌ๊ฐ€์ง€ ํฌ์ธํ„ฐ 1๏ธโƒฃ ํฌ์ธํ„ฐ์˜ ๊ธฐ๋ณธ ๊ฐœ๋… โœจ ํฌ์ธํ„ฐ๋Š” ๋ฉ”๋ชจ๋ฆฌ์˜ ์ฃผ์†Œ๋ฅผ ์ €์žฅํ•˜๋Š” ๋ณ€์ˆ˜๋กœ, ๋ณ€์ˆ˜๋‚˜ ํ•จ์ˆ˜๋ฅผ ๊ฐ„์ ‘์ ์œผ๋กœ ์ฐธ์กฐํ•˜๊ฑฐ๋‚˜ ์กฐ์ž‘ํ•˜๋Š”๋ฐ ์‚ฌ์šฉ๋œ๋‹ค. ํฌ์ธํ„ฐ์˜ ๊ฐœ๋…์„ ์ดํ•ดํ•˜๊ธฐ ์œ„ํ•ด ๋‹จ์ผ ํฌ์ธํ„ฐ๋ถ€ํ„ฐ ์ •๋ฆฌํ•œ๋‹ค. *๋‹จ์ผ ํฌ์ธํ„ฐ ํฌ์ธํ„ฐ ๋ณ€์ˆ˜๋Š” *๊ธฐํ˜ธ๋กœ ํ‘œํ˜„ํ•˜๊ณ , ๋ณ€์ˆ˜์˜ ์ฃผ์†Œ๋ฅผ ์ €์žฅํ•œ๋‹ค. int a = 5; int *p; p = &a; 2๏ธโƒฃ ํฌ์ธํ„ฐ์˜ ํฌ์ธํ„ฐ โœจ **์ด์ค‘ ํฌ์ธํ„ฐ๋ž€ ์ด์ค‘ ํฌ์ธํ„ฐ๋Š” ๋ณ€์ˆ˜์˜ ์ฃผ์†Œ๋ฅผ ์ €์žฅํ•˜๋Š” ๋ณ€์ˆ˜๋กœ, ์ด๋ฅผ ํ†ตํ•ด ๋‹ค์ค‘ ๊ฐ„์ ‘ ์ฐธ์กฐ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค. int **pp; 3๏ธโƒฃ voidํ˜• ํฌ์ธํ„ฐ โœจ voidํ˜• ํฌ์ธํ„ฐ์˜ ๊ธฐ๋ณธ ๊ฐœ๋… voidํ˜• ํฌ์ธํ„ฐ๋Š” ์–ด๋–ค ์ž๋ฃŒํ˜•์˜ ์ฃผ์†Œ๋„ ๊ฐ€๋ฆฌํ‚ฌ์ˆ˜ ์žˆ๋Š” ํฌ์ธํ„ฐ๋กœ, ๋ฉ”๋ชจ๋ฆฌ์˜ ํฌ๊ธฐ๋‚˜ ๋ฐ์ดํ„ฐ ํ˜•์‹์— ๋Œ€ํ•œ ์ •๋ณด๊ฐ€ ์—†๋‹ค. void *ptr; voidํ˜• ํฌ์ธํ„ฐ๋Š” ๋ฉ”๋ชจ๋ฆฌ ์ฃผ์†Œ๋ฅผ ..
C์–ธ์–ด 2024.04.14
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