two function calls, or the character will be lost. The character encoding <em>on the file</em> to be written via this function is selected by <tt><a href="config.html#strf_encode">FF_STRF_ENCODE</a></tt>. The characters with wrong encoding or invalid for the output encoding will be lost.</p>
<p>If <tt>sprintf</tt> is used in the project and code conversion is not needed, <tt>f_write</tt> with <tt>sprintf</tt> will be efficient in code size and performance rather than <tt>f_printf</tt>.</p>
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