ass="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">buffer1</span> <span class="mdzsyn-string">@"aaaa"</span>)
(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">buffer2</span> <span class="mdzsyn-string">@"bbbb"</span>)
(<span class="mdzsyn-coresym">ffi/call</span> <span class="mdzsyn-symbol">memcpy</span> <span class="mdzsyn-symbol">signature</span> <span class="mdzsyn-symbol">buffer1</span> <span class="mdzsyn-symbol">buffer2</span> <span class="mdzsyn-number">4</span>)
(<span c