ter width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>inout</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>length</b></td><td>
<p>If the &lsquo;length&rsquo; parameter is NULL, then try to load the whole table. Return an error code if it fails.</p>
<p>Else, if &lsquo;*length&rsquo; is&nbsp;0, exit immediately while returning the table's (or file) full size in it.</p>
<p>Else the number of bytes to read from the table or file, from the starting offset.</p>
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