IPTION </b></font><font face="Times">This function is useful if you need to handle interrupts directly--for example, because of a timing constraint in the hardware--but don't wish to give up the advantages of interrupt notification by messages. To handle interrupts directly, you must implement the <b>getHandler:level:argument:forInterrupt:</b> message of IODirectDevice.</font></td></tr>

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<td><font face="Times">The <i>m