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| author | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
|---|---|---|
| committer | Jacob McDonnell <jacob@jacobmcdonnell.com> | 2026-04-25 19:55:15 -0400 |
| commit | 253e67c8b3a72b3a4757fdbc5845297628db0a4a (patch) | |
| tree | adf53b66087aa30dfbf8bf391a1dadb044c3bf4d /static/netbsd/man9/clock.9 3.html | |
| parent | a9157ce950dfe2fc30795d43b9d79b9d1bffc48b (diff) | |
docs: Added All NetBSD Manuals
Diffstat (limited to 'static/netbsd/man9/clock.9 3.html')
| -rw-r--r-- | static/netbsd/man9/clock.9 3.html | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/static/netbsd/man9/clock.9 3.html b/static/netbsd/man9/clock.9 3.html new file mode 100644 index 00000000..5bf14a78 --- /dev/null +++ b/static/netbsd/man9/clock.9 3.html @@ -0,0 +1,103 @@ +<table class="head"> + <tr> + <td class="head-ltitle">CLOCK(9)</td> + <td class="head-vol">Kernel Developer's Manual</td> + <td class="head-rtitle">CLOCK(9)</td> + </tr> +</table> +<div class="manual-text"> +<section class="Sh"> +<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> +<p class="Pp"><code class="Nm">days_in_month</code>, + <code class="Nm">is_leap_year</code>, <code class="Nm">days_per_year</code> + — <span class="Nd">handy time utilities</span></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> +<p class="Pp"><code class="In">#include + <<a class="In">sys/clock.h</a>></code></p> +<p class="Pp"><var class="Vt">#define SECS_PER_MINUTE 60</var> + <br/> + <var class="Vt">#define SECS_PER_HOUR 3600</var> + <br/> + <var class="Vt">#define SECS_PER_DAY 86400</var> + <br/> + <var class="Vt">#define DAYS_PER_COMMON_YEAR 365</var> + <br/> + <var class="Vt">#define DAYS_PER_LEAP_YEAR 366</var> + <br/> + <var class="Vt">#define SECS_PER_COMMON_YEAR (SECS_PER_DAY * + DAYS_PER_COMMON_YEAR)</var> + <br/> + <var class="Vt">#define SECS_PER_LEAP_YEAR (SECS_PER_DAY * + DAYS_PER_LEAP_YEAR)</var></p> +<p class="Pp"><var class="Ft">static inline int</var> + <br/> + <code class="Fn">days_in_month</code>(<var class="Fa" style="white-space: nowrap;">int + m</var>);</p> +<p class="Pp"><var class="Ft">static inline int</var> + <br/> + <code class="Fn">is_leap_year</code>(<var class="Fa" style="white-space: nowrap;">uint64_t + year</var>);</p> +<p class="Pp"><var class="Ft">static inline int</var> + <br/> + <code class="Fn">days_per_year</code>(<var class="Fa" style="white-space: nowrap;">uint64_t + year</var>);</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> +<p class="Pp">The <code class="In"><<a class="In">sys/clock.h</a>></code> + file provides handy time constants and <var class="Ft">static inline</var> + functions.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="FUNCTIONS"><a class="permalink" href="#FUNCTIONS">FUNCTIONS</a></h1> +<p class="Pp">The + <a class="permalink" href="#days_in_month"><code class="Fn" id="days_in_month">days_in_month</code></a>() + function returns the number of days in the given month. + <code class="Fn">days_in_month</code>() assumes 28 days for February. If the + input value is out of the valid range (1-12) then the function returns + -1.</p> +<p class="Pp" id="is_leap_year">The + <a class="permalink" href="#is_leap_year"><code class="Fn">is_leap_year</code></a>() + and + <a class="permalink" href="#days_per_year"><code class="Fn" id="days_per_year">days_per_year</code></a>() + functions take as the input parameter a value in the Gregorian year + format.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE + ALSO</a></h1> +<p class="Pp"><a class="Xr">bintime(9)</a>, <a class="Xr">boottime(9)</a>, + <a class="Xr">time_second(9)</a>, <a class="Xr">time_uptime(9)</a>, + <a class="Xr">todr_gettime(9)</a></p> +</section> +<section class="Sh"> +<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> +<p class="Pp">The <code class="In"><<a class="In">sys/clock.h</a>></code> + header with handy utilities originated from + <code class="In"><<a class="In">dev/clock_subr.h</a>></code>, which + originated from + <code class="In"><<a class="In">arch/hp300/hp300/clock.c</a>></code>.</p> +<p class="Pp">The + <code class="In"><<a class="In">arch/hp300/hp300/clock.c</a>></code> + file first appeared in <span class="Ux">NetBSD 0.8</span> as a set of hp300 + time-converting functions. + <code class="In"><<a class="In">dev/clock_subr.h</a>></code> first + appeared in <span class="Ux">NetBSD 1.3</span> as a shared list of functions + to convert between “year/month/day/hour/minute/second” and + seconds since 1970 (“POSIX time”). The + <code class="In"><<a class="In">sys/clock.h</a>></code> file first + appeared in <span class="Ux">NetBSD 8</span>.</p> +</section> +<section class="Sh"> +<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> +<p class="Pp"><span class="An">Kamil Rytarowski</span></p> +</section> +</div> +<table class="foot"> + <tr> + <td class="foot-date">December 26, 2014</td> + <td class="foot-os">NetBSD 10.1</td> + </tr> +</table> |
