n_User_Data_<i>x</i>) where <i>x</i> is 1, 2, 3 or 4. See
the section on
<a href="ug_fortran_api.html#fortran ug api query">Fortran
query functions</a> for an explanation.&nbsp;</td>
</tr>

<tr NOSAVE>
<td VALIGN=TOP NOSAVE>C++:</td>

<td WIDTH="85%">int <b>Zoltan::Set_Fn</b> (
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; const <b>ZOLTAN_FN_TYPE </b> &<i>fn_type</i>,
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; void (*<i>fn_ptr</i>)(),
<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; void *<i>data</i> = 0);</td>
</tr>
</table>

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