PUB-SUB with multipart messages
my @frames = qw(Hello Vienna.pm at Metalab); zmq_msg_send($frame[0], $publisher, ZMQ_SNDMORE); zmq_msg_send($frame[1], $publisher, ZMQ_SNDMORE); zmq_msg_send($frame[2], $publisher, ZMQ_SNDMORE); zmq_msg_send($frame[3], $publisher);