<informaltable>
<tgroup cols='4' align='left'>
+<colspec colwidth='4*' />
+<colspec colwidth='4*' />
+<colspec colwidth='1*' />
+<colspec colwidth='4*' />
<thead>
<row>
<entry>data[0]</entry>
</entry>
<entry>2</entry>
<entry>
-<simplelist type='vert' columns='1'>
-<member>
data[1]: alternate input source.
-</member>
-</simplelist>
</entry>
</row>
<row>
</entry>
<entry>2</entry>
<entry>
-<simplelist type='vert' columns='1'>
-<member>
data[1]: The desired block size in bytes. The actual configured block size is
writen back to data[1] after the instruction completes. This instruction
acts purely as a query if the block size is set to zero.
-</member>
-</simplelist>
</entry>
</row>
<row>
</entry>
<entry>2</entry>
<entry>
-<simplelist type='vert' columns='1'>
-<member>
data[1]: The instruction sets this element to either COMEDI_INPUT or COMEDI_OUTPUT.
-</member>
-</simplelist>
</entry>
</row>
</tbody>