zmq_msg_set_routing_id - set routing ID property on message

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0MQ 4.3.5                                          03/31/2024                            ZMQ_MSG_SET_ROUTING_(3)

       The zmq_msg_set_routing_id() function sets the routing_id specified, on the the message pointed to by the
       message argument. The routing_id must be greater than zero. To get a valid routing ID, you must receive a
       message from a ZMQ_SERVER socket, and use the libzmq:zmq_msg_routing_id method. Routing IDs are
       transient.

EINVAL
           The provided routing_id is zero.

       zmq_msg_set_routing_id - set routing ID property on message

       The zmq_msg_set_routing_id() function shall return zero if successful. Otherwise it shall return -1 and
       set errno to one of the values defined below.

zmq_msg_routing_id(3) zmq(7)

intzmq_msg_set_routing_id(zmq_msg_t*message,uint32_trouting_id);