anchor.diff:       api_a_recvmsg_cancel_udp4,
        api_a_accept_cancel_tcp4,
        api_a_recv_cancel_tcp4,
  -     api_a_recvmsg_cancel_tcp4
  +     api_a_recvmsg_cancel_tcp4,
  +     api_a_mrecvfrom_cancel_udp4
       ].
   
   api_options_cases() ->
  
positive.code: 
      i("await evaluator(s)"),
      ok = ?SEV_AWAIT_FINISH([Server, Client, Tester]).
  
  
  
  
negative.code:          api_a_accept_cancel_tcp4/1,
           api_a_recv_cancel_tcp4/1,
           api_a_recvmsg_cancel_tcp4/1,
           api_a_mrecvfrom_cancel_udp4/1,
  
  
           %% *** API Options ***
           api_opt_simple_otp_options/1,
  