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Thread-Topic: "#define JAN_1970 0x83aa7e80" in ntp source
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$B$A$g$C$H!$=EH"$NDl$r$D$D$/<ALd$G$9$_$^$;$s!%(J

FreeBSD$B$N:G?7$N(Jntp$B$N%=!<%9$O(Jntp-4.1.71$B$+$H;W$$$^$9$,!$(J
$B$H$j$"$($:!$$"$kJY6/$N$?$a$K(J
http://www.eecis.udel.edu/~ntp/
$B$+$i%@%&%s%m!<%I$7$?(Jntp-4.1.0$B$N%=!<%9$r8+$F$$$^$9!%(J
include/ntp_unixtime.h$B$K(J
/*
 * Time of day conversion constant.  Ntp's time scale starts in 1900,
 * Unix in 1970.
 */
#define	JAN_1970	0x83aa7e80	/* 2208988800 1970 - 1900 in
seconds */
$B$,$"$j$^$9!%(J
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$B$3$N:,5r$O$I$3$K5,Dj$5$l$F$$$k$b$N$J$N$G$7$g$&$+!)(J

$B$b$A$m$s!$(J1900$BG/(J1$B7n(J1$BF|(J0$B;~(J0$BJ,(J0$BIC(JUTC$B$+$i(J1970$BG/(J1970$BG/(J1$B7n(J1$BF|(J0$B;~(J0$BJ,(J0$BIC$^$G$N(J
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$B$H$$$&$3$H$G$9$,!J(J1904$BG/(J-1968$BG/$N(J17$BG/J,$N$&$k$&G/$r9MN8!K!$(J
1972$B0JA0$N(JUTC$B$N1<IC$O9MN8$5$l$F$$$J$$$N$G$9$h$M!%(J
ntp$B$G$O!V$=$s$J$b$N!W$H5,Dj$5$l$F$$$k$N$G$7$g$&$+!)(J
--
Bunpei Matoba
Manager
Products & Solutions Department
Products & Solutions Division
Sumitomo Metal System Solutions Co.,LTD.
Ichimatsu Building 4F
2-18, Ikenohata 1-Chome, Taitoh-ku
Tokyo, 110-0008 JAPAN
Phone: +81-3-5815-7278

