The opnet achieve tcpveno communication protocols, this is my own doing.

tcp
...\tcp_api.dev32.i0.ex.obj
...\tcp_api.ex.c
...\tcp_command_v3.ic.m
...\tcp_conn_v3.dev32.i0.pr.obj
...\tcp_conn_v3.pr.c
...\tcp_conn_v3.pr.cpp
...\tcp_conn_v3.pr.m
...\tcp_manager_v3.dev32.i0.pr.obj
...\tcp_manager_v3.pr.c
...\tcp_manager_v3.pr.m
...\tcp_network_attr_conv.gui32.i0.ets.dll
...\tcp_network_attr_conv.gui64.i0.ets.dll
...\tcp_network_attr_conv.m.conv
...\tcp_notif_log_support.dev32.i0.ex.obj
...\tcp_notif_log_support.ex.c
...\tcp_open_ind.ic.m
...\tcp_open_ind_inet.ic.m
...\tcp_seg_sup.dev32.i0.ex.obj
...\tcp_seg_sup.ex.c
...\tcp_seg_v2.pk.m
...\tcp_status_ind.ic.m
...\tcp_support.dev32.i0.ex.obj
...\tcp_support.ex.c
...\tcp_timer.dev32.i0.ex.obj
...\tcp_timer.ex.c
...\tcp_traffic_analyzer.nd.m
...\tcp_traffic_analyzer.pr.m
tcp_v3.h

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