IPAddressChoice_addressesOrRanges
af->ipAddressChoice->type = IPAddressChoice_addressesOrRanges;
case IPAddressChoice_addressesOrRanges:
if (IPAddressFamily_type(af) == IPAddressChoice_addressesOrRanges)
case IPAddressChoice_addressesOrRanges:
case IPAddressChoice_addressesOrRanges: