t><dd>
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<tr><td valign=top><em>API</em>&nbsp;</td><td>
the API handle</td></tr>
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</dl>(Must read the header first, either via <a class="el" href="api_8h.html#a27">wmf_scan()</a> or by calling <a class="el" href="meta_8c.html#a10">wmf_header_read()</a> directly.)
<p>
<dl compact><dt><b>Returns: </b></dt><dd>
Returns the library error state (<b>wmf_E_None</b> on success). Possible library error states of <b>wmf_E_Glitch</b>, <b>wmf_E_BadFormat</b> (bad heade