tk-widget-show-all</span> <span class="mdzsyn-keyword">:void</span>
  [<span class="mdzsyn-symbol">a</span> <span class="mdzsyn-keyword">:ptr</span>])

(<span class="mdzsyn-coresym">ffi/defbind</span>
  <span class="mdzsyn-symbol">gtk-button-set-label</span> <span class="mdzsyn-keyword">:void</span>
  [<span class="mdzsyn-symbol">a</span> <span class="mdzsyn-keyword">:ptr</span> <span class="mdzsyn-symbol">b</span> <span class="mdzsyn-keyword">:ptr</span>])

(<span class="mdzsyn-coresym">def</span> <span cl