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<div class="textblock"><code>#include &lt;<a class="el" href="stdio_8h_source.html">stdio.h</a>&gt;</code><br />
<code>#include &lt;serdes.h&gt;</code><br />
<code>#include &lt;rpc.h&gt;</code><br />
<code>#include &lt;<a class="el" href="stdlib_8h_source.html">stdlib.h</a>&gt;</code><br />
<code>#include &lt;limits.h&gt;</code><br />
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Variables</h2></td></tr>
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<a class="el" href="structFILE.html">FILE</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="stdio_8c.html#acab9c1fe2a80b10e01858bda28a04244">stdin</a> =NULL</td></tr>
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<a class="el" href="structFILE.html">FILE</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="stdio_8c.html#ac80f4484175bf6c48d7b7ca4e9897ae6">stdout</a> =NULL</td></tr>
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<a class="el" href="structFILE.html">FILE</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="stdio_8c.html#ac9e47c346a25e2e7edd2c9b4ca5d0262">stderr</a> =NULL</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a id="ace3cecd207fe69a092fd6739d7c6fe26"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ace3cecd207fe69a092fd6739d7c6fe26">&#9670;&nbsp;</a></span>__stdio_init()</h2>
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<td class="memname">void __stdio_init </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td></td>
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</table>
</div><div class="memdoc">
<p>Initialize stdio. Must not be called by user code. </p>
</div>
</div>
<a id="ab11a990e4f8863a1e7736e3c1d430092"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab11a990e4f8863a1e7736e3c1d430092">&#9670;&nbsp;</a></span>fgetc()</h2>
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<td class="memname">int fgetc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em></td><td>)</td>
<td></td>
</tr>
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<p>Gets a character from a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream</td><td>The file to read from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the read character, or EOF if the read fails </dd></dl>
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</div>
<a id="ac513655eeb3fe77165663ab2cf7483b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac513655eeb3fe77165663ab2cf7483b0">&#9670;&nbsp;</a></span>fgets()</h2>
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<td class="memname">char* fgets </td>
<td>(</td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>str</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
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<p>Gets a newline delimeted string from a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>The buffer to read into </td></tr>
<tr><td class="paramname">count</td><td>The maximum size of the string to read </td></tr>
<tr><td class="paramname">stream</td><td>The file to read from </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the buffer </dd></dl>
</div>
</div>
<a id="a921c423556bf05929d2ad1def1bb8ce7"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a921c423556bf05929d2ad1def1bb8ce7">&#9670;&nbsp;</a></span>fopen()</h2>
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<td class="memname"><a class="el" href="structFILE.html">FILE</a>* fopen </td>
<td>(</td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>filename</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>mode</em>&#160;</td>
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<td>)</td>
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<p>Opens a file with the specified mode </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">filename</td><td>The path to the file to open </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>NULL if the file could not be opened, or a pointer to a <a class="el" href="structFILE.html">FILE</a> struct if the opening was sucessful. </dd></dl>
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<a id="ad9291335f34e874c8431285d705bc3aa"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad9291335f34e874c8431285d705bc3aa">&#9670;&nbsp;</a></span>fprintf()</h2>
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<td class="memname">int fprintf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>format</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>...</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Format a string and writte it to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream</td><td>The fike to write to </td></tr>
<tr><td class="paramname">format</td><td>The format string </td></tr>
<tr><td class="paramname">...</td><td>The arguments for the format string </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of bytes written </dd></dl>
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<a id="abe6299d5823dd023e610aaa619735a3f"></a>
<h2 class="memtitle"><span class="permalink"><a href="#abe6299d5823dd023e610aaa619735a3f">&#9670;&nbsp;</a></span>fputc()</h2>
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<td class="memname">int fputc </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>Writes a character to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>The character to write </td></tr>
<tr><td class="paramname">stream</td><td>The stream to write to </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the written character, or EOF on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a68236e664c1f0da049b25fba1c1695f6">&#9670;&nbsp;</a></span>fputs()</h2>
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<td class="memname">int fputs </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>s</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Writes a string to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>The string to write </td></tr>
<tr><td class="paramname">stream</td><td>The file to write to </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, EOF on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a3fb733036d2387ccd7c14f166a97f814">&#9670;&nbsp;</a></span>fread()</h2>
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<td class="memname">size_t fread </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Reads from a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buffer</td><td>The buffer to read into </td></tr>
<tr><td class="paramname">size</td><td>The size of each elemnt to read </td></tr>
<tr><td class="paramname">count</td><td>The number of elements to read </td></tr>
<tr><td class="paramname">stream</td><td>The file to read from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the number of bytes read, or 0 on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a82b8f8886100499da342a39a7e1d70dd">&#9670;&nbsp;</a></span>fseek()</h2>
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<td class="memname">int fseek </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">long&#160;</td>
<td class="paramname"><em>offset</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>origin</em>&#160;</td>
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<td></td>
<td>)</td>
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<p>Seeks to a position in a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream</td><td>The file to seek in </td></tr>
<tr><td class="paramname">offset</td><td>The offset to seek to </td></tr>
<tr><td class="paramname">origin</td><td>The origin of seeking (SEEK_CUR,SEEK_END,SEEK_SET) </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, -1 on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a6539f6bd21e2d253cac3231cb1fb98b8">&#9670;&nbsp;</a></span>fwrite()</h2>
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<td class="memname">size_t fwrite </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>buffer_ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>count</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Writes to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">buffer_ptr</td><td>The buffer to write </td></tr>
<tr><td class="paramname">size</td><td>The size of each elemnt to write </td></tr>
<tr><td class="paramname">count</td><td>The number of elements to write </td></tr>
<tr><td class="paramname">stream</td><td>The file to write to </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the number of bytes written, or 0 on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad5a0ea2c21a23a380b7c30fe35fa9456">&#9670;&nbsp;</a></span>getc()</h2>
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<td class="memname">int getc </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Gets a character from a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream</td><td>The file to read from </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the read character, or EOF if the read fails </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#aab85b30d68ce9d9e0475e0f51bf610b1">&#9670;&nbsp;</a></span>gets()</h2>
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<td class="memname">char* gets </td>
<td>(</td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>str</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Gets a newline delimeted string from stdin </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">str</td><td>The buffer to read into </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the buffer </dd></dl>
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>Gets is unsafe and vulnerable to a buffer overflow, as there is no bounds checking on the buffer. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a88a6bfe0c7810364842fd161bb4319b5">&#9670;&nbsp;</a></span>mount()</h2>
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<td class="memname">int mount </td>
<td>(</td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>file</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">char *&#160;</td>
<td class="paramname"><em>path</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Mounts a filesystem </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">file</td><td>The file to mount </td></tr>
<tr><td class="paramname">type</td><td>The type of the filesystem to mount </td></tr>
<tr><td class="paramname">path</td><td>The path to mount the filesytem at </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, 1 on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a98631211a4a8aee62f572375d5b637be">&#9670;&nbsp;</a></span>printf()</h2>
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<td class="memname">int printf </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>format</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">&#160;</td>
<td class="paramname"><em>...</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Format a string and write it to stdout </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">format</td><td>The format string </td></tr>
<tr><td class="paramname">...</td><td>The arguments for the format string </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of bytes written </dd></dl>
</div>
</div>
<a id="a38f980218f04ebdddcdcd1b77e1cf6b1"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a38f980218f04ebdddcdcd1b77e1cf6b1">&#9670;&nbsp;</a></span>putc()</h2>
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<td class="memname">int putc </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>c</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Writes a character to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">c</td><td>The character to write </td></tr>
<tr><td class="paramname">stream</td><td>The stream to write to </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the written character, or EOF on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ad41876f99f190c7488e64ef39c50a23f">&#9670;&nbsp;</a></span>puts()</h2>
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<td class="memname">int puts </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>s</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Writes a string followed by a newline to stdin </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">s</td><td>The string to write </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>0 on success, EOF on failure </dd></dl>
</div>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#a94b40743c479bf76b0198ad06b434ae4">&#9670;&nbsp;</a></span>register_fs()</h2>
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<td class="memname">void register_fs </td>
<td>(</td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">pid_t&#160;</td>
<td class="paramname"><em>pid</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
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<p>Registers a file system type with the VFS </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">name</td><td>The name of the type to register </td></tr>
<tr><td class="paramname">pid</td><td>The PID of the filesytem driver </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a238ba3ae728d117984e087d9db33cd13"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a238ba3ae728d117984e087d9db33cd13">&#9670;&nbsp;</a></span>vfprintf()</h2>
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<td class="memname">int vfprintf </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structFILE.html">FILE</a> *&#160;</td>
<td class="paramname"><em>stream</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>format</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">va_list&#160;</td>
<td class="paramname"><em>arg</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Format a string and writte it to a file </p><dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">stream</td><td>The fike to write to </td></tr>
<tr><td class="paramname">format</td><td>The format string </td></tr>
<tr><td class="paramname">arg</td><td>The arguments for the format string </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>The number of bytes written </dd></dl>
</div>
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