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23 lines
808 B
Groff
23 lines
808 B
Groff
23 years ago
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.TH taia_now 3
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.SH NAME
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taia_now \- get current time
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.SH SYNTAX
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.B #include <taia.h>
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extern int \fBtaia_now\fP(struct taia* \fIt\fR);
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.SH DESCRIPTION
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taia_now puts the current time into \fIt\fR. More precisely: tai_now puts into
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\fIt\fR its best guess as to the TAI64NA label for the 1-attosecond interval that
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contains the current time.
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This implementation of taia_now assumes that the time_t returned from
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the time function represents the number of TAI seconds since 1970-01-01
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00:00:10 TAI. This matches the convention used by the Olson tz library
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in ``right'' mode.
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Beware that many clocks are not set accurately, and even the best
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scientific clocks are nowhere near 1-attosecond accuracy; however, an
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inaccurate clock may still produce reasonably accurate time differences.
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.SH "SEE ALSO"
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tai_now(3)
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