lsearch(3) - wariua/manpages-ko GitHub Wiki

NAME

lfind, lsearch - ๋ฐฐ์—ด ์ˆœ์ฐจ ํƒ์ƒ‰

SYNOPSIS

#include <search.h>

void *lfind(const void *key, const void *base, size_t *nmemb,
         size_t size, int*(compar)(const void *, const void *));

void *lsearch(const void *key, void *base, size_t *nmemb,
         size_t size, int(*compar)(const void *, const void *));

DESCRIPTION

lfind()์™€ lsearch()๋Š” ๊ฐ size ๋ฐ”์ดํŠธ์ธ *nmemb ๊ฐœ ํ•ญ๋ชฉ์˜ ๋ฐฐ์—ด base์—์„œ key์— ๋Œ€ํ•ด ์ˆœ์ฐจ ํƒ์ƒ‰์„ ์ˆ˜ํ–‰ํ•œ๋‹ค. compar๊ฐ€ ๊ฐ€๋ฆฌํ‚ค๋Š” ๋น„๊ต ํ•จ์ˆ˜์—๋Š” ๋‘ ์ธ์ž๊ฐ€ ์žˆ์–ด์„œ ์ฐจ๋ก€๋กœ key ๊ฐ์ฒด์™€ ๋ฐฐ์—ด ํ•ญ๋ชฉ์„ ๊ฐ€๋ฆฌํ‚ค๊ฒŒ ๋ผ ์žˆ์œผ๋ฉฐ, key ๊ฐ์ฒด๊ฐ€ ๋ฐฐ์—ด ํ•ญ๋ชฉ๊ณผ ์ผ์น˜ํ•˜๋ฉด 0์„ ๋ฐ˜ํ™˜ํ•˜๊ณ  ์•„๋‹ˆ๋ฉด 0 ์•„๋‹Œ ๊ฐ’์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

lsearch()์—์„œ ์ผ์น˜ ํ•ญ๋ชฉ์„ ์ฐพ์ง€ ๋ชปํ•˜๋ฉด ํ…Œ์ด๋ธ” ๋์— key ๊ฐ์ฒด๋ฅผ ์‚ฝ์ž…ํ•˜๊ณ  *nmemb๋ฅผ ์ฆ๊ฐ€์‹œํ‚จ๋‹ค. ์ผ์น˜ ํ•ญ๋ชฉ์ด ํ™•์‹คํžˆ ์กด์žฌํ•˜๋“ ์ง€ ์•„๋‹ˆ๋ฉด ์—ฌ์œ  ๊ณต๊ฐ„์ด ์žˆ๋“ ์ง€ ํ•ด์•ผ ํ•œ๋‹ค.

RETURN VALUE

lfind()๋Š” ์ผ์น˜ํ•˜๋Š” ๋ฐฐ์—ด ํ•ญ๋ชฉ์— ๋Œ€ํ•œ ํฌ์ธํ„ฐ๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋ฉฐ ์ผ์น˜ ํ•ญ๋ชฉ์ด ์—†์œผ๋ฉด NULL์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค. lsearch()๋Š” ์ผ์น˜ํ•˜๋Š” ๋ฐฐ์—ด ํ•ญ๋ชฉ์— ๋Œ€ํ•œ ํฌ์ธํ„ฐ๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋ฉฐ ์ผ์น˜ ํ•ญ๋ชฉ์ด ์—†์œผ๋ฉด ์ƒˆ๋กœ ์ถ”๊ฐ€ํ•œ ํ•ญ๋ชฉ์— ๋Œ€ํ•œ ํฌ์ธํ„ฐ๋ฅผ ๋ฐ˜ํ™˜ํ•œ๋‹ค.

ATTRIBUTES

์ด ์ ˆ์—์„œ ์‚ฌ์šฉํ•˜๋Š” ์šฉ์–ด๋“ค์— ๋Œ€ํ•œ ์„ค๋ช…์€ attributes(7)๋ฅผ ๋ณด๋ผ.

์ธํ„ฐํŽ˜์ด์Šค ์†์„ฑ ๊ฐ’
lfind(), lsearch() ์Šค๋ ˆ๋“œ ์•ˆ์ „์„ฑ MT-Safe

CONFORMING TO

POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD. libc-4.6.27๋ถ€ํ„ฐ libc์— ์žˆ์Œ.

BUGS

์ด๋ฆ„์ด ์ ์ ˆ์น˜ ์•Š๋‹ค.

SEE ALSO

bsearch(3), hsearch(3), tsearch(3)


2017-09-15

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