<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta http-equiv="Content-Style-Type" content="text/css"> <link rel="up" title="FatFs" href="../00index_e.html"> <link rel="alternate" hreflang="ja" title="Japanese" href="../ja/chdir.html"> <link rel="stylesheet" href="../css_e.css" type="text/css" media="screen" title="ELM Default"> <title>FatFs - f_chdir</title> </head> <body> <div class="para func"> <h2>f_chdir</h2> <p>The f_chdir function changes the current directory of a drive.</p> <pre> FRESULT f_chdir ( const TCHAR* <span class="arg">path</span> <span class="c">/* [IN] Path name */</span> ); </pre> </div> <div class="para arg"> <h4>Parameters</h4> <dl class="par"> <dt>path</dt> <dd>Pointer to the null-terminated string that specifies a <a href="filename.html">directory</a> to go.</dd> </dl> </div> <div class="para ret"> <h4>Return Values</h4> <p> <a href="rc.html#ok">FR_OK</a>, <a href="rc.html#de">FR_DISK_ERR</a>, <a href="rc.html#ie">FR_INT_ERR</a>, <a href="rc.html#nr">FR_NOT_READY</a>, <a href="rc.html#np">FR_NO_PATH</a>, <a href="rc.html#in">FR_INVALID_NAME</a>, <a href="rc.html#id">FR_INVALID_DRIVE</a>, <a href="rc.html#ne">FR_NOT_ENABLED</a>, <a href="rc.html#ns">FR_NO_FILESYSTEM</a>, <a href="rc.html#tm">FR_TIMEOUT</a>, <a href="rc.html#nc">FR_NOT_ENOUGH_CORE</a> </p> </div> <div class="para desc"> <h4>Description</h4> <p>The <tt>f_chdir</tt> function changes the current directory of the logical drive. The current directory of a drive is initialized to the root directory when the drive is auto-mounted. Note that the current directory is retained in the each file system object so that it also affects other tasks that using the volume.</p> </div> <div class="para comp"> <h4>QuickInfo</h4> <p>Available when <tt>_FS_RPATH >= 1</tt>.</p> </div> <div class="para use"> <h4>Example</h4> <pre> <span class="c">/* Change current direcoty of the current drive (dir1 under root dir) */</span> f_chdir("/dir1"); <span class="c">/* Change current direcoty of drive 2 (parent dir) */</span> f_chdir("2:.."); </pre> </div> <div class="para ref"> <h4>See Also</h4> <p><tt><a href="chdrive.html">f_chdrive</a>, <a href="getcwd.html">f_getcwd</a></tt></p> </div> <p class="foot"><a href="../00index_e.html">Return</a></p> </body> </html>