ØMQ/2.2 - The Guide

void *mousetrap;

// Create socket for catching mice
mousetrap = zmq_socket (context, ZMQ_PULL);

// Configure the socket
int64_t jawsize = 10000;
zmq_setsockopt (mousetrap, ZMQ_HWM, &jawsize, sizeof jawsize);

// Plug socket into mouse hole
zmq_connect (mousetrap, "tcp://192.168.55.221:5001");

// Wait for juicy mouse to arrive
zmq_msg_t mouse;
zmq_msg_init (&mouse);
zmq_msg_recv (&mouse, mousetrap, 0);
// Destroy the mouse
zmq_msg_close (&mouse);

// Destroy the socket
zmq_close (mousetrap);