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14<h1 align="left">FS_OpenFileFast <img src="../../image/NTR.gif"align="middle"><img src="../../image/TWL.gif" align="middle"></h1>
15<h2>Syntax</h2>
16
17<dl>
18  <dd>
19<CODE>#include &lt;nitro/fs.h&gt;</CODE><BR> <BR> <CODE>BOOL FS_OpenFileFast( <A href="../fs_file_type.html">FSFile</a> *p_file, <A href="../fs_file_id_type.html">FSFileID</a> file_id );</CODE><br> <br>
20  </dd>
21</dl>
22<h2>Arguments</h2>
23<TABLE border="1" width="100%">
24  <TBODY>
25    <TR>
26<TD width="13%"><EM><STRONG>p_file</STRONG></EM></TD>
27<TD width="87%">Address of the <A href="../fs_file_type.html"><CODE>FSFile</CODE></A> structure.</TD>
28    </TR>
29    <TR>
30<TD width="13%"><EM><STRONG><code><EM><STRONG>file_id</STRONG></EM></code></STRONG></EM></TD>
31<TD width="87%">File ID that is specified by <CODE>file_id</CODE> in the <A href="../fs_dir_entry_type.html">FSDirEntry</a> structure</TD>
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33  </TBODY>
34</TABLE>
35
36<h2>Return Values</h2>
37<p>Returns TRUE if the file opens properly; FALSE otherwise.</p>
38
39<H2>Description</H2>
40<P>This function uses the specified ID to open a file. Use the <code><A href="FS_ReadDir.html">FS_ReadDir</A></code> function to obtain the ID. <BR>
41</P>
42<h2>Note</h2>
43<P>In the application, the <CODE>NITRO_MAKEROM</CODE> flag must be enabled so that the ROM file system is included.<br>This function cannot be called from the interrupt handler (IRQ mode).<br> Also note that in some cases processing may not end if interrupts are left prohibited.<br>
44</P>
45<h2>See Also</h2>
46<p><CODE><A href="FS_CloseFile.html">FS_CloseFile</A><BR> <A href="../fs_dir_entry_type.html">FSDirEntry</A><BR><A href="../fs_file_type.html">FSFile</A><BR> <A href="../fs_file_id_type.html">FSFileID</A><BR><A href="FS_GetFileLength.html">FS_GetFileLength</A><BR>  <A href="FS_OpenFileEx.html">FS_OpenFileEx</A><BR> <A href="FS_ReadDir.html">FS_ReadDir</A><BR> <A href="FS_ReadFile.html">FS_ReadFile</A><BR> <A href="FS_SeekFile.html">FS_SeekFile</A><BR> <A href="FS_SeekFileToBegin.html">FS_SeekFileToBegin</A><BR> <A href="FS_SeekFileToEnd.html">FS_SeekFileToEnd</A></CODE></p>
47
48<H2>Revision History</H2>
49<P>
502008/10/02 Revised the See Also list.<br />2004/11/02 Changed the argument name.<br /> 2004/09/24 Added text under Caution regarding the conditions for calling this function.<br /> 2004/05/14 ID type changed from <CODE>u32</CODE> to <CODE>FSFileID</CODE>.<br> 2004/04/02 Changed &quot;file system&quot; to &quot;ROM file system.&quot;<br> 2004/04/01 Initial version.
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