pm = (msg_t*) send_msg->payload;
send_msg->mtype = MT_ANSWER;
msg->len = generate_data( pm ); // something that fills the payload in
msg = rmr_send_msg( mr, send_msg ); // ensure new pointer used after send
pm = (msg_t*) send_msg->payload;
send_msg->mtype = MT_ANSWER;
msg->len = generate_data( pm ); // something that fills the payload in
msg = rmr_send_msg( mr, send_msg ); // ensure new pointer used after send