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2025-09-23 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Shulou(Shulou.com)06/02 Report--
Time type
UTC Universal time
Calendar time
From January 1, 1970
# include
Struct tm * gmtime (const time_t*timep)
Function: convert calendar time to Greenwich time
Struct tm {
Int tm_sec
Int tm_min
Int tm_hour
Int tm_mday
Int tm_mon
Int tm_year; / / tm_year + 1900 = which year
Int tm_wday
Int tm_yday
Int tm_isdst
}
# include
# include
Int main (void) {
Struct tm * local
Time_t t
T=time (NULL)
Local=localtime & t
Printf ("local hour time:%d\ n", loccal- > tm_hour)
Local=gmtime & t
Printf ("utc hour is:% DPo", local- > tm_hour); return 0
}
Get time
Int gettimeofday (struct timeval * tv,struct timezone tz*)
Function; get the jet lag from this morning to the present
Struct timeval {
Int tv_sec; / / miao
Int tv_usec;//wei miao
}
# include
# include
# include
# include
/ * time function, delay function * /
Void function ()
{
Unsigned int i,j
Double y
For (iSuppli)
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