span>)
(<span class="mdzsyn-coresym">def</span> <span class="mdzsyn-symbol">my-type</span> (<span class="mdzsyn-coresym">ffi/struct</span> <span class="mdzsyn-keyword">:char</span> [<span class="mdzsyn-symbol">@:int</span> <span class="mdzsyn-number">4</span>]))
(<span class="mdzsyn-coresym">ffi/defbind</span> <span class="mdzsyn-symbol">takes_a_pointer</span> <span class="mdzsyn-keyword">:void</span> [<span class="mdzsyn-symbol">a</span> <span class="mdzsyn-keyword">:ptr</span>])
(<span class="mdzsyn-cores