<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Tutorial on the subject.&nbsp;<a href="http://chris.eidhof.nl/posts/swift-c-interop.html" class="">http://chris.eidhof.nl/posts/swift-c-interop.html</a>&nbsp;<div class=""><br class=""></div><div class="">Regards</div><div class="">Kwame</div></body></html>