n class="mdzsyn-symbol">argc</span> <span class="mdzsyn-keyword">:int</span> <span class="mdzsyn-symbol">argv</span> <span class="mdzsyn-keyword">:ptr</span>])

(<span class="mdzsyn-coresym">ffi/defbind</span>
  <span class="mdzsyn-symbol">gtk-application-window-new</span> <span class="mdzsyn-keyword">:ptr</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-new-with-label</span> <