index</i> argument is an index into <b>IODDMMasks</b>, which is an array of <b>unsigned int</b>. Each entry of the array contains 32 mask bits.</font>

<p><br><br><br>

<p><font face="Helvetica"><b>IOSetUNIXError()</b></font></td></tr>

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<p>

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<td><font face="Helvetica" size="-1"><b>SUMMARY </b></font><font face="Times">Explicitly return an error value from a UNIX-style driver</font>

<p><font face="Helvetica" size="-1"><b>DEC