anchor.diff:  -export([
   	 all/0, suite/0, groups/0,
   	 init_per_suite/1, end_per_suite/1, 
  -	 init_per_group/2,end_per_group/2, 
  +	 init_per_group/2, end_per_group/2, 
   	 init_per_testcase/2, end_per_testcase/2,
   
   	 t_connect_timeout/1, t_accept_timeout/1,
  
positive.code:      t_fdconnect,
       t_implicit_inet6,
       t_accept_inet6_tclass,
       t_simple_local_sockaddr_in_send_recv,
       t_simple_link_local_sockaddr_in_send_recv,
       t_simple_local_sockaddr_in6_send_recv,
  
negative.code:      {t_recv,               [], t_recv_cases()},
       {t_shutdown,           [], t_shutdown_cases()},
       {t_misc,               [], t_misc_cases()},
       {t_link_local,         [], t_link_local_cases()},
       {t_local,              [], t_local_cases()},
       {s_misc,               [], s_misc_cases()}
      ].
  