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📁 apr函数库使用手册
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<dl compact><dt><b>Returns:</b></dt><dd>apr_time_t as a usec </dd></dl>
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<a class="anchor" name="ga20" doxytag="apr_time.h::APR_USEC_PER_SEC" ></a><p>
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          <td class="md" nowrap valign="top"> #define APR_USEC_PER_SEC&nbsp;&nbsp;&nbsp;APR_TIME_C(1000000)          </td>
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number of microseconds per second     </td>
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<hr><h2>Typedef Documentation</h2>
<a class="anchor" name="ga3" doxytag="apr_time.h::apr_interval_time_t" ></a><p>
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          <td class="md" nowrap valign="top"> typedef apr_int64_t <a class="el" href="group__apr__time.html#ga3">apr_interval_time_t</a>          </td>
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intervals for I/O timeouts, in microseconds     </td>
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<a class="anchor" name="ga4" doxytag="apr_time.h::apr_short_interval_time_t" ></a><p>
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          <td class="md" nowrap valign="top"> typedef apr_int32_t <a class="el" href="group__apr__time.html#ga4">apr_short_interval_time_t</a>          </td>
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short interval for I/O timeouts, in microseconds     </td>
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<a class="anchor" name="ga5" doxytag="apr_time.h::apr_time_exp_t" ></a><p>
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          <td class="md" nowrap valign="top"> typedef struct <a class="el" href="structapr__time__exp__t.html">apr_time_exp_t</a> <a class="el" href="structapr__time__exp__t.html">apr_time_exp_t</a>          </td>
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<dl compact><dt><b>See also:</b></dt><dd><a class="el" href="structapr__time__exp__t.html">apr_time_exp_t</a> </dd></dl>
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<a class="anchor" name="ga2" doxytag="apr_time.h::apr_time_t" ></a><p>
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          <td class="md" nowrap valign="top"> typedef apr_int64_t <a class="el" href="group__apr__time.html#ga2">apr_time_t</a>          </td>
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number of microseconds since 00:00:00 january 1, 1970 UTC     </td>
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<hr><h2>Function Documentation</h2>
<a class="anchor" name="ga15" doxytag="apr_time.h::apr_ctime" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_ctime           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>date_str</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="group__apr__time.html#ga2">apr_time_t</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>t</em></td>
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          <td class="md">)&nbsp;</td>
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apr_ctime formats dates in the ctime() format in an efficient manner. it is a fixed length format and requires the indicated amount of storage including the trailing NUL terminator. Unlike ANSI/ISO C ctime(), <a class="el" href="group__apr__time.html#ga15">apr_ctime()</a> does not include a <br>
 at the end of the string. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>date_str</em>&nbsp;</td><td>String to write to. </td></tr>
    <tr><td></td><td valign=top><em>t</em>&nbsp;</td><td>the time to convert </td></tr>
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<a class="anchor" name="ga14" doxytag="apr_time.h::apr_rfc822_date" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_rfc822_date           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>date_str</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="group__apr__time.html#ga2">apr_time_t</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>t</em></td>
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          <td class="md">)&nbsp;</td>
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apr_rfc822_date formats dates in the RFC822 format in an efficient manner. It is a fixed length format which requires the indicated amount of storage, including the trailing NUL terminator. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>date_str</em>&nbsp;</td><td>String to write to. </td></tr>
    <tr><td></td><td valign=top><em>t</em>&nbsp;</td><td>the time to convert </td></tr>
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<a class="anchor" name="ga13" doxytag="apr_time.h::apr_sleep" ></a><p>
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          <td class="md" nowrap valign="top"> void apr_sleep           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__time.html#ga3">apr_interval_time_t</a>&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>t</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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Sleep for the specified number of micro-seconds. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>t</em>&nbsp;</td><td>desired amount of time to sleep. </td></tr>
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<dl compact><dt><b>Warning:</b></dt><dd>May sleep for longer than the specified time. </dd></dl>
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<a class="anchor" name="ga16" doxytag="apr_time.h::apr_strftime" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_strftime           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>s</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>apr_size_t *&nbsp;</td>
          <td class="mdname" nowrap> <em>retsize</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>apr_size_t&nbsp;</td>
          <td class="mdname" nowrap> <em>max</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const char *&nbsp;</td>
          <td class="mdname" nowrap> <em>format</em>, </td>
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          <td class="md" nowrap><a class="el" href="structapr__time__exp__t.html">apr_time_exp_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>tm</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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formats the exploded time according to the format specified <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>s</em>&nbsp;</td><td>string to write to </td></tr>
    <tr><td></td><td valign=top><em>retsize</em>&nbsp;</td><td>The length of the returned string </td></tr>
    <tr><td></td><td valign=top><em>max</em>&nbsp;</td><td>The maximum length of the string </td></tr>
    <tr><td></td><td valign=top><em>format</em>&nbsp;</td><td>The format for the time string </td></tr>
    <tr><td></td><td valign=top><em>tm</em>&nbsp;</td><td>The time to convert </td></tr>
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<a class="anchor" name="ga7" doxytag="apr_time.h::apr_time_ansi_put" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="group__apr__errno.html#ga0">apr_status_t</a> apr_time_ansi_put           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__time.html#ga2">apr_time_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>result</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>time_t&nbsp;</td>
          <td class="mdname" nowrap> <em>input</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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convert an ansi time_t to an apr_time_t <dl compact><dt><b>Parameters:</b></dt><dd>

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