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      <title>Compile and link</title>
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      <div class="title_topic2" id="xps10_pagetitle">Compile and link</div>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingadmin/write_overview.html');return(false);">Overview</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingadmin/write_process.html');return(false);">How To</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingadmin/tcl_rules.html');return(false);">Options</a></p>
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               <p class="para_td"><a class="links" href="javascript:void(0)" onclick="top.openFile('routingadmin/write_example.html');return(false);">Related Topics</a></p>
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      </table><br><p class="para_topic">Use Open C and Open C++ API to compile and link the source file to create an internal user function image, (for example, save the file as <code>design_rule.c</code>). Then compile and link to create the internal user function program called <code>design_rule</code>.
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      <div class="title_division">Hooking up to Routing</div>
      <p class="para_division">You must define the design rule to Routing through the APV file. See the sample <a class="links" href="javascript:void(0)" onclick="top.openFile('routingadmin/view_example.html');return(false);">APV</a> file for examples of design rule definitions.
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