📄 calyearstart.c
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/* * calyearstart - determine the NTP time at midnight of January 1 in * the year of the given date. */#include <sys/types.h>#include "ntp_types.h"#include "ntp_calendar.h"#include "ntp_stdlib.h"u_longcalyearstart(u_long ntp_time){ struct calendar jt; caljulian(ntp_time,&jt); jt.yearday = 1; jt.monthday = 1; jt.month = 1; jt.hour = jt.minute = jt.second = 0; return caltontp(&jt);}
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