group__apr__file__io.html

apr函数库使用手册

          <td class="mdname" nowrap> <em>old_file</em>, </td>
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          <td class="md" nowrap><a class="el" href="group__apr__pools.html#ga0">apr_pool_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em></td>
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<p>
Duplicate the specified file descriptor and close the original <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>new_file</em>&nbsp;</td><td>The old file that is to be closed and reused </td></tr>
    <tr><td></td><td valign=top><em>old_file</em>&nbsp;</td><td>The file to duplicate </td></tr>
    <tr><td></td><td valign=top><em>p</em>&nbsp;</td><td>The pool to use for the new file</td></tr>
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<dl compact><dt><b>Remarks:</b></dt><dd>new_file MUST point at a valid apr_file_t. It cannot be NULL. </dd></dl>
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<a class="anchor" name="ga9" doxytag="apr_file_io.h::apr_file_eof" ></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_file_eof           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__file__io.html#ga2">apr_file_t</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>fptr</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Are we at the end of the file <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>fptr</em>&nbsp;</td><td>The apr file we are testing. </td></tr>
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<dl compact><dt><b>Remarks:</b></dt><dd>Returns APR_EOF if we are at the end of file, APR_SUCCESS otherwise. </dd></dl>
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<a class="anchor" name="ga47" doxytag="apr_file_io.h::apr_file_flags_get" ></a><p>
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          <td class="md" nowrap valign="top"> apr_int32_t apr_file_flags_get           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__file__io.html#ga2">apr_file_t</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>f</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Retrieve the flags that were passed into <a class="el" href="group__apr__file__io.html#ga3">apr_file_open()</a> when the file was opened. <dl compact><dt><b>Returns:</b></dt><dd>apr_int32_t the flags </dd></dl>
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<a class="anchor" name="ga24" doxytag="apr_file_io.h::apr_file_flush" ></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_file_flush           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="group__apr__file__io.html#ga2">apr_file_t</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>thefile</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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<p>
Flush the file's buffer. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>thefile</em>&nbsp;</td><td>The file descriptor to flush </td></tr>
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<a class="anchor" name="ga20" doxytag="apr_file_io.h::apr_file_getc" ></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_file_getc           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>ch</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__file__io.html#ga2">apr_file_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>thefile</em></td>
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          <td class="md">)&nbsp;</td>
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<p>
Read a character from the specified file. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>ch</em>&nbsp;</td><td>The character to read into </td></tr>
    <tr><td></td><td valign=top><em>thefile</em>&nbsp;</td><td>The file descriptor to read from </td></tr>
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<a class="anchor" name="ga22" doxytag="apr_file_io.h::apr_file_gets" ></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_file_gets           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">char *&nbsp;</td>
          <td class="mdname" nowrap> <em>str</em>, </td>
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          <td></td>
          <td class="md" nowrap>int&nbsp;</td>
          <td class="mdname" nowrap> <em>len</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__file__io.html#ga2">apr_file_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>thefile</em></td>
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          <td class="md">)&nbsp;</td>
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Read a string from the specified file. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td></td><td valign=top><em>str</em>&nbsp;</td><td>The buffer to store the string in. </td></tr>
    <tr><td></td><td valign=top><em>len</em>&nbsp;</td><td>The length of the string </td></tr>
    <tr><td></td><td valign=top><em>thefile</em>&nbsp;</td><td>The file descriptor to read from </td></tr>
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<dl compact><dt><b>Remarks:</b></dt><dd>The buffer will be NUL-terminated if any characters are stored. </dd></dl>
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<a class="anchor" name="ga45" doxytag="apr_file_io.h::apr_file_info_get" ></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_file_info_get           </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="structapr__finfo__t.html">apr_finfo_t</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>finfo</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>apr_int32_t&nbsp;</td>
          <td class="mdname" nowrap> <em>wanted</em>, </td>
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