ords if you have to make it work in multi- lingual environment, encode filenames in UTF-8.</p>

<h1 id="RETURN-VALUES">RETURN VALUES</h1>

<p>BIO_s_file() returns the file BIO method.</p>

<p>BIO_new_file() and BIO_new_fp() return a file BIO or NULL if an error occurred.</p>

<p>BIO_set_fp() and BIO_get_fp() return 1 for success or &lt;=0 for failure (although the current implementation never return 0).</p>

<p>BIO_seek() returns 0 for success or negative values for failure.</p>

<p>BIO_tell() returns the c