int major, minor, patch;
zmq_version(&major, &minor, &patch);
printf("Installed ZeroMQ version: %d.%d.%d\n", major, minor,
This chapter was an introduction to how message queuing works in general, then
we had an introduction to ZeroMQ. We then looked at how ZeroMQ handles strings
and introduced the request-reply pattern with a simple "hello world" application.