Listing 1: Definition einer Docky-Struktur.

struct DockyIFace * _docky_Clone(struct DockyIFace *Self)
{
	struct DockyIFace *docky;
	if((docky = (struct DockyIFace *)IExec->MakeInterface(Self->Data.LibBase, dockyTags)))
  	{
   		struct DatumUhrDockyData *dd = (struct DatumUhrDockyData *) ((uint32)docky - docky->Data.NegativeSize);
   		docky->Data.Flags |= IFLF_CLONED;
		/* Größe des Dockies festlegen und ggf. weitere Variablen vorbelegen */
   		dd->ds.width  = 32;
   		dd->ds.height = 32;
   	}
  	return( docky );
}