rrclient.c

//  Hello World client
//  Connects REQ socket to tcp://localhost:5559
//  Sends "Hello" to server, expects "World" back

#include "zhelpers.h"

int main (void) 
{
    void *context = zmq_ctx_new ();

    //  Socket to talk to server
    void *requester = zmq_socket (context, ZMQ_REQ);
    zmq_connect (requester, "tcp://localhost:5559");

    int request_nbr;
    for (request_nbr = 0; request_nbr != 10; request_nbr++) {
        s_send (requester, "Hello");
        char *string = s_recv (requester);
        printf ("Received reply %d [%s]\n", request_nbr, string);
        free (string);
    }
    zmq_close (requester);
    zmq_ctx_destroy (context);
    return 0;
}