<td>Philip Levis</td></tr>
<tr class="field"><th class="docinfo-name">Draft-Created:</th><td class="field-body">11-Jul-2005</td>
</tr>
-<tr class="field"><th class="docinfo-name">Draft-Version:</th><td class="field-body">1.1.2.15</td>
+<tr class="field"><th class="docinfo-name">Draft-Version:</th><td class="field-body">1.5</td>
</tr>
-<tr class="field"><th class="docinfo-name">Draft-Modified:</th><td class="field-body">2006-10-04</td>
+<tr class="field"><th class="docinfo-name">Draft-Modified:</th><td class="field-body">2006-12-12</td>
</tr>
<tr class="field"><th class="docinfo-name">Draft-Discuss:</th><td class="field-body">TinyOS Developer List <tinyos-devel at mail.millennium.berkeley.edu></td>
</tr>
nx_uint8_t metadata[sizeof(message_metadata_t)];
} message_t;
</pre>
-<p>This format keeps data at a fixed offset, which is important when
+<p>This format keeps data at a fixed but platform dependent offset, which
+is important when
passing a message buffer between two different link layers. If the
data payload were at different offsets for different link layers, then
passing a packet between two link layers would require a <tt class="docutils literal"><span class="pre">memmove(3)</span></tt>