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<h4>Description</h4>\r
-<p>The <tt>f_chdrive</tt> function changes only the current drive. The initial value of the current drive number is 0. Note that the current drive is retained in a static variable, so that it also affects other tasks that using the file functions.</p>\r
+<p>The <tt>f_chdrive</tt> function changes only the current drive. The initial value of the current drive number is 0. In Unix style drive prefix configuration, this function will not be needed because <tt>f_chdir</tt> function changes also the current drive. Note that the current drive is retained in a static variable, so that it also affects other tasks that using the file functions.</p>\r
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<div class="para comp">\r
<em>f_chdrive</em>("2:"); <span class="c">/* Set drive 2 as current drive */</span>\r
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<em>f_chdrive</em>(""); <span class="c">/* No effect (set current drive as current drive) */</span>\r
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- <em>f_chdrive</em>("/flash"); <span class="c">/* Set drive "flash" as current drive (at Unix style volume ID) */</span>\r
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