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difftime
Langue: en
Version: 2002-02-28 (CentOS - 06/07/09)
Section: 3 (Bibliothèques de fonctions)
NAME
difftime - calculate time differenceSYNOPSIS
#include <time.h> double difftime(time_t time1, time_t time0);
DESCRIPTION
The difftime() function returns the number of seconds elapsed between time time1 and time time0, represented as a double. The two times are specified in calendar time, which represents the time elapsed since the Epoch (00:00:00 on January 1, 1970, Coordinated Universal Time (UTC)).CONFORMING TO
SVr4, 4.3BSD, C99NOTES
On a POSIX system, time_t is an arithmetic type, and one could just define-
#define difftime(t1,t0) (double)(t1 - t0)
CONFORMING TO
SVr4, 4.3BSD, POSIX.1-2001.SEE ALSO
date(1), gettimeofday(2), time(2), ctime(3), gmtime(3), localtime(3)Contenus ©2006-2024 Benjamin Poulain
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