@active_mac_addresses()
on OSX, retruns a tab where each entries is the mac address of an active network interface. The mac address is described as a tab with 6 integers.

    @active_mac_addresses() 
    --> TAB[TAB[61, 166, 245, 159, 174, 122], 
            TAB[73, 163, 93, 249, 25, 0], 
            TAB[72, 163, 91, 249, 25, 3], 
            TAB[53, 146, 17, 40, 69, 61], 
            TAB[56, 146, 17, 40, 69, 63], 
            TAB[61, 166, 245, 180, 166, 42]]

See also Data Exchange Functions: @dump    @dumpvar    @gnuplot    @json_read    @json_string    @json_write    @loadvalue    @loadvar    @nim2vezer    @parse    @plot    @read_file    @rplot    @savevalue    @set_osc_handling_double    @set_osc_handling_int64    @set_osc_handling_tab    @string2fun    @string2obj    @string2proc    @to_num    @xml_read    @xml_string   

System Related Functions: @active_mac_addresses    @arch_darwin    @arch_linux    @arch_windows    [@beat_in_seconds_from_now]    @callback_all_event    @callback_next_event    @callback_start_fastforward    @callback_start_logical_instant    @callback_stop    @callback_stop_fastforward    @callback_stop_logical_instant    @compilation    @configuration_arch    @configuration_audiosample    [@configuration_compiler_name]    [@configuration_compiler_version]    @configuration_debug    @configuration_faust    @configuration_host    [@configuration_odeint]    @configuration_release    @configuration_target_architecture    @current_load_directory    @directory_read    @exe_child_of    @exe_parent    @history_length    @host_date    @info    @is_fastforward    @is_following_on    @is_paused    @is_playing_on    @is_running    @is_stopped    @local_beat_position    @local_tempo    @logical_date    @max_absolute_path    @max_patch_path    @performance_data    @pwd    @seconds_in_beats_from_now    @send_message    @set_max_message_sent_instantaneously    @system    @Tracing    @time    @typecheck    @UnTracing    @usage_resident_memory_size    @usage_statistics    @usage_virtual_memory_size    @user_directory