’s like an offset for the offset). It can be either <code>SEEK_SET</code>, <code>SEEK_CUR</code>, or <code>SEEK_END</code>, for beginning of file, current file position, or end of file.</td>
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<td style="text-align: center;"><code>l_start</code></td>
<td>This is the starting offset in bytes of the lock, relative to <code>l_whence</code>.</td>
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<tr class="even">
<td style="text-align: center;"><code>l_len</code></td>
<td>This is the length of the lock region in bytes (which starts