/th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td style="text-align: center;"><code>l_type</code></td>
<td>This is where you signify the type of lock you want to set. It’s either <code>F_RDLCK</code>, <code>F_WRLCK</code>, or <code>F_UNLCK</code> if you want to set a read lock, write lock, or clear the lock, respectively.</td>
</tr>
<tr class="even">
<td style="text-align: center;"><code>l_whence</code></td>
<td>This field determines where the <code>l_start</code> field starts from (it