anchor.diff:           gethostname/0,
            getnameinfo/1, getnameinfo/2,
            getaddrinfo/1, getaddrinfo/2,
  +         getifaddrs/0,  getifaddrs/1,
   
            if_name2index/1,
            if_index2name/1,
  
positive.code: -deprecated({relay,     1, eventually}).
  -deprecated({sleep,     1, eventually}).
  
  
  -type name_info_flags()         :: [name_info_flag()|name_info_flag_ext()].
  -type name_info_flag()          :: namereqd |
  
negative.code: %% Should we define these here or refer to the prim_net module
  -export_type([
                address_info/0,
                ifaddrs/0,
                name_info/0,
  
                ifaddrs_flag/0,
                ifaddrs_flags/0,
  
                name_info_flags/0,
                name_info_flag/0,
  