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| <h3 class="section">8.9 <code>time</code>—get current calendar time (as single number)</h3> |
| |
| <p><a name="index-time-440"></a><strong>Synopsis</strong> |
| <pre class="example"> #include <time.h> |
| time_t time(time_t *<var>t</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| <code>time</code> looks up the best available representation of the current |
| time and returns it, encoded as a <code>time_t</code>. It stores the same |
| value at <var>t</var> unless the argument is <code>NULL</code>. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| A <code>-1</code> result means the current time is not available; otherwise the |
| result represents the current time. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| ANSI C requires <code>time</code>. |
| |
| <p>Supporting OS subroutine required: Some implementations require |
| <code>gettimeofday</code>. |
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