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

NAME

difftime - μ‹œκ°„ 차이 κ³„μ‚°ν•˜κΈ°

SYNOPSIS

#include <time.h>

double difftime(time_t time1, time_t time0);

DESCRIPTION

difftime() ν•¨μˆ˜λŠ” μ‹œκ°„ time0κ³Ό μ‹œκ°„ time1 κ°„μ˜ κ²½κ³Ό 초 수λ₯Ό double둜 λ‚˜νƒ€λ‚΄μ„œ λ°˜ν™˜ν•œλ‹€. 각 μ‹œκ°„μ„ 달λ ₯ μ‹œκ°„μœΌλ‘œ μ§€μ •ν•œλ‹€. 즉 κ·Έ 값은 1970-01-01 00:00:00 +0000 (UTC) 에포크λ₯Ό κΈ°μ€€μœΌλ‘œ ν•œ (초 λ‹¨μœ„) μΈ‘μ •μΉ˜μ΄λ‹€.

ATTRIBUTES

이 μ ˆμ—μ„œ μ‚¬μš©ν•˜λŠ” μš©μ–΄λ“€μ— λŒ€ν•œ μ„€λͺ…은 attributes(7)λ₯Ό 보라.

μΈν„°νŽ˜μ΄μŠ€ 속성 κ°’
difftime() μŠ€λ ˆλ“œ μ•ˆμ „μ„± MT-Safe

CONFORMING TO

POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD.

NOTES

POSIX μ‹œμŠ€ν…œμ—μ„œ time_tλŠ” μ‚°μˆ  νƒ€μž…μ΄κ³ , κ·Έλž˜μ„œ λΊ„μ…ˆ μ˜€λ²„ν”Œλ‘œμš°λ₯Ό μ‹ κ²½μ“°μ§€ μ•Šμ•„λ„ λ˜λŠ” κ²½μš°μ—λŠ” κ·Έλƒ₯ λ‹€μŒμ²˜λŸΌ μ •μ˜ν•  μˆ˜λ„ μžˆλ‹€.

#define difftime(t1,t0) (double)(t1 - t0)

SEE ALSO

date(1), gettimeofday(2), time(2), ctime(3), gmtime(3), localtime(3)


2015-08-08

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