anchor.diff:           api_b_send_and_recv_tcp4/1,
            api_b_sendmsg_and_recvmsg_tcp4/1,
   
  -         %% Operation Timeout
  -         to_connect_tcp4/1,
  -         to_connect_tcp6/1,
  -         to_accept_tcp4/1,
  -         to_accept_tcp6/1,
  -         to_send_tcp4/1,
  -         to_send_tcp6/1,
  -         to_sendto_udp4/1,
  -         to_sendto_udp6/1,
  -         to_sendmsg_tcp4/1,
  -         to_sendmsg_tcp6/1,
  -         to_recv_udp4/1,
  -         to_recv_udp6/1,
  -         to_recv_tcp4/1,
  -         to_recv_tcp6/1,
  -         to_recvfrom_udp4/1,
  -         to_recvfrom_udp6/1,
  -         to_recvmsg_udp4/1,
  -         to_recvmsg_udp6/1,
  -         to_recvmsg_tcp4/1,
  -         to_recvmsg_tcp6/1
  +         %% API Operation Timeout
  +         api_to_connect_tcp4/1,
  +         api_to_connect_tcp6/1,
  +         api_to_accept_tcp4/1,
  +         api_to_accept_tcp6/1,
  +         api_to_send_tcp4/1,
  +         api_to_send_tcp6/1,
  +         api_to_sendapi_to_udp4/1,
  +         api_to_sendapi_to_udp6/1,
  +         api_to_sendmsg_tcp4/1,
  +         api_to_sendmsg_tcp6/1,
  +         api_to_recv_udp4/1,
  +         api_to_recv_udp6/1,
  +         api_to_recv_tcp4/1,
  +         api_to_recv_tcp6/1,
  +         api_to_recvfrom_udp4/1,
  +         api_to_recvfrom_udp6/1,
  +         api_to_recvmsg_udp4/1,
  +         api_to_recvmsg_udp6/1,
  +         api_to_recvmsg_tcp4/1,
  +         api_to_recvmsg_tcp6/1
   
            %% Tickets
           ]).
  
positive.code: 
  %% This test case is intended to test the connect timeout option
  %% on an IPv4 TCP (stream) socket.
  to_connect_tcp4(suite) ->
      [];
  to_connect_tcp4(doc) ->
      [];
  to_connect_tcp4(_Config) when is_list(_Config) ->
      tc_begin(to_connect_tcp4),
      ok = to_connect_tcp(inet),
      tc_end().
      %% not_yet_implemented().
  
  
negative.code: 
  %% This test case is intended to test the recv timeout option
  %% on an IPv6 TCP (stream) socket.
  api_to_recv_tcp6(suite) ->
      [];
  api_to_recv_tcp6(doc) ->
      [];
  api_to_recv_tcp6(_Config) when is_list(_Config) ->
      %% tc_begin(api_to_recv_tcp6),
      %% ok = api_to_recv_tcp(inet6),
      %% tc_end().
      not_yet_implemented().
  
  
  %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  
  api_to_recv_tcp(Domain) ->
      process_flag(trap_exit, true),
      p("server -> open"),
      LSock     = sock_open(Domain, stream, tcp),
  