1:investigate every source code where calls obsolete BSD socket interface.
1:remove every obsolete interface.
+1:find places where use 'int' as IP address storage. mark and count them.
1:investigate ipv6 address handling in C++ Boost library
1:make unified address class
+1:change every incidents where use sockaddr,sockaddr_in, and int.
{section: Note}
*:internet.h seems to have a lot of IP-v6 incompatible functions.
