="classipc_1_1transport_1_1struc_1_1Msg__out.html" title="A structured out-message suitable to be sent via struc::Channel::send() (et al).">Msg_out</a>, among all other <code><a class="el" href="classipc_1_1transport_1_1struc_1_1Msg__out.html" title="A structured out-message suitable to be sent via struc::Channel::send() (et al).">Msg_out</a></code>s), per channel; and similarly incoming message (<a class="el" href="classipc_1_1transport_1_1struc_1_1Msg__in.html" title="A structured in-message instance suit