digraph G {
  parent [
    shape="plaintext"
    label=<
      <table border='1' cellborder='1'>
        <tr><td>buf</td><td>0xC8</td><td>&larr; SP (vuln)</td></tr>
        <tr><td>buf</td><td>...</td><td></td></tr>
        <tr><td>buf</td><td>0xFA</td><td>&larr; BP (vuln)</td></tr>
        <tr><td>[old IP]</td><td>0xFB</td><td></td></tr>
        <tr><td>[BP (main)]</td><td>0xFC</td><td></td></tr>
        <tr><td>[*input]</td><td>0xFD</td><td></td></tr>
        <tr><td>argc</td><td>0xFE</td><td></td></tr>
        <tr><td>argv</td><td>0xFF</td><td></td></tr>
      </table>
  >];
}