

_Zip.au3
http://autoitscript.com/forum/topic/116565-zip-udf-zipfldrdll-library/

Control Vista Master Volume (  vista_vol.dll)
http://www.autoitscript.com/forum/topic/84834-control-vista-master-volume/

_RegFunc
http://www.autoitscript.com/forum/topic/70108-custom-registry-functions-udf/