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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>sd-reader: FAT16 access</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.5 --><div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul> </div></div><div class="contents"><h1>FAT16 access<br><small>[<a class="el" href="group__fat16.html">FAT16 support</a>]</small></h1><hr><a name="_details"></a><h2>Detailed Description</h2>Basic functions for handling a FAT16 filesystem. <p><p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">struct fat16_fs_struct * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__fs.html#gc176ec2f1bfa8c81972ea741a941e579">fat16_open</a> (struct <a class="el" href="structpartition__struct.html">partition_struct</a> *partition)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Opens a FAT16 filesystem. <a href="#gc176ec2f1bfa8c81972ea741a941e579"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__fs.html#g6588833571e6ef0f5d094b8ff56a5985">fat16_close</a> (struct fat16_fs_struct *fs)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Closes a FAT16 filesystem. <a href="#g6588833571e6ef0f5d094b8ff56a5985"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__fs.html#g8af3c3535929e19b0039e07f1976cec7">fat16_get_fs_size</a> (const struct fat16_fs_struct *fs)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the amount of total storage capacity of the filesystem in bytes. <a href="#g8af3c3535929e19b0039e07f1976cec7"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fat16__fs.html#g2f8ff07cca44ecb6770b12a58b6cd8c7">fat16_get_fs_free</a> (const struct fat16_fs_struct *fs)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the amount of free storage capacity on the filesystem in bytes. <a href="#g2f8ff07cca44ecb6770b12a58b6cd8c7"></a><br></td></tr></table><hr><h2>Function Documentation</h2><a class="anchor" name="g6588833571e6ef0f5d094b8ff56a5985"></a><!-- doxytag: member="fat16.c::fat16_close" ref="g6588833571e6ef0f5d094b8ff56a5985" args="(struct fat16_fs_struct *fs)" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">void fat16_close </td> <td>(</td> <td class="paramtype">struct fat16_fs_struct * </td> <td class="paramname"> <em>fs</em> </td> <td> ) </td> <td width="100%"></td> </tr> </table></div><div class="memdoc"><p>Closes a FAT16 filesystem. <p>When this function returns, the given filesystem descriptor will be invalid.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fs</em> </td><td>The filesystem to close. </td></tr> </table></dl><dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#gc176ec2f1bfa8c81972ea741a941e579" title="Opens a FAT16 filesystem.">fat16_open</a> </dd></dl></div></div><p><a class="anchor" name="g2f8ff07cca44ecb6770b12a58b6cd8c7"></a><!-- doxytag: member="fat16.c::fat16_get_fs_free" ref="g2f8ff07cca44ecb6770b12a58b6cd8c7" args="(const struct fat16_fs_struct *fs)" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">uint32_t fat16_get_fs_free </td> <td>(</td> <td class="paramtype">const struct fat16_fs_struct * </td> <td class="paramname"> <em>fs</em> </td> <td> ) </td> <td width="100%"></td> </tr> </table></div><div class="memdoc"><p>Returns the amount of free storage capacity on the filesystem in bytes. <p><dl class="note" compact><dt><b>Note:</b></dt><dd>As the FAT16 filesystem is cluster based, this function does not return continuous values but multiples of the cluster size.</dd></dl><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fs</em> </td><td>The filesystem on which to operate. </td></tr> </table></dl><dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on failure, the free filesystem space in bytes otherwise. </dd></dl></div></div><p><a class="anchor" name="g8af3c3535929e19b0039e07f1976cec7"></a><!-- doxytag: member="fat16.c::fat16_get_fs_size" ref="g8af3c3535929e19b0039e07f1976cec7" args="(const struct fat16_fs_struct *fs)" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">uint32_t fat16_get_fs_size </td> <td>(</td> <td class="paramtype">const struct fat16_fs_struct * </td> <td class="paramname"> <em>fs</em> </td> <td> ) </td> <td width="100%"></td> </tr> </table></div><div class="memdoc"><p>Returns the amount of total storage capacity of the filesystem in bytes. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>fs</em> </td><td>The filesystem on which to operate. </td></tr> </table></dl><dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on failure, the filesystem size in bytes otherwise. </dd></dl></div></div><p><a class="anchor" name="gc176ec2f1bfa8c81972ea741a941e579"></a><!-- doxytag: member="fat16.c::fat16_open" ref="gc176ec2f1bfa8c81972ea741a941e579" args="(struct partition_struct *partition)" --><div class="memitem"><div class="memproto"> <table class="memname"> <tr> <td class="memname">struct fat16_fs_struct* fat16_open </td> <td>(</td> <td class="paramtype">struct <a class="el" href="structpartition__struct.html">partition_struct</a> * </td> <td class="paramname"> <em>partition</em> </td> <td> ) </td> <td width="100%"><code> [read]</code></td> </tr> </table></div><div class="memdoc"><p>Opens a FAT16 filesystem. <p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"><tt>[in]</tt> </td><td valign="top"><em>partition</em> </td><td>Discriptor of partition on which the filesystem resides. </td></tr> </table></dl><dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on error, a FAT16 filesystem descriptor on success. </dd></dl><dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="group__fat16.html#gc176ec2f1bfa8c81972ea741a941e579" title="Opens a FAT16 filesystem.">fat16_open</a> </dd></dl></div></div><p></div><hr size="1"><address style="text-align: right;"><small>Generated on Sun Jun 8 10:23:35 2008 for sd-reader by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address></body></html>?? 快捷鍵說明
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