получение информации о розетках (obtaining information about sockets)
Версии (Versions)
NETLINK_INET_DIAG was introduced in Linux 2.6.14 and supported
AF_INET and AF_INET6 sockets only. In Linux 3.3, it was renamed
to NETLINK_SOCK_DIAG and extended to support AF_UNIX sockets.
UNIX_DIAG_MEMINFO and INET_DIAG_SKMEMINFO were introduced in
Linux 3.6.