[Click] Re: May I use the packet annotation?

[Jiangbo Li]

>  
> Not yet. I still have some questions on how to implement an information
> element.  I read the code of AddressInfo. The construction method of this 
> element has the following format,
>       AddressInfo::AddressInfo(): _map(-1)
> what does ":_map(-1)" mean? Does it mean AddressInfo will only have one 
> instance. 

Sorry, I almost forget the C++ stuff. 
Now, I know how all the names were put into the first AddressInfo.

Thanks

JL