#!/usr/bin/ruby



END{
  # https://ruby-doc.org/3.3.0/exts/socket/Socket.html
  # https://ruby-doc.org/3.3.0/exts/socket/TCPServer.html
  # https://ruby-doc.org/3.3.0/exts/socket/TCPSocket.html
  # https://ruby-doc.org/3.3.0/exts/socket/UDPSocket.html

  # https://ruby-doc.org/3.3.0/stdlibs/ipaddr/IPAddr.html
  # https://ruby-doc.org/3.3.0/stdlibs/ipaddr/IPSocket.html
}
