DIFFTIME(3) Linux Programmer's Manual DIFFTIME(3)
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. The two times are specified in calendar time, which represents the time elapsed since 00:00:00 on January 1, 1970, Coordinated Universal Time (UTC).CONFORMING TO
SVID 3, BSD 4.3, ISO 9899
date, 
gettimeofday, 
time, 
ctime, 
gmtime, 
, 
 
 
 
GNU                        July 2, 1993                         1
 
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