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Man Pages
ZMQ_MSG_GET(3) 0MQ Manual ZMQ_MSG_GET(3)

zmq_msg_get - get message property

int zmq_msg_get (zmq_msg_t *message, int property);

The zmq_msg_get() function shall return the value for the property specified by the property argument for the message pointed to by the message argument.

The following properties can be retrieved with the zmq_msg_get() function:

ZMQ_MORE

Indicates that there are more message frames to follow after the message.

The zmq_msg_get() function shall return the value for the property if successful. Otherwise it shall return -1 and set errno to one of the values defined below.

EINVAL
The requested property is unknown.

Receiving a multi-frame message.

while (true) {
    //  Create an empty 0MQ message to hold the message frame
    int rc = zmq_msg_init (&frame);
    assert (rc == 0);
    //  Block until a message is available to be received from socket
    rc = zmq_recvmsg (socket, &frame, 0);
    assert (rc != -1);
    if (zmq_msg_get (&frame, ZMQ_MORE))
        fprintf (stderr, "more\n");
    else {
        fprintf (stderr, "end\n");
        break;
    }
    zmq_msg_close (frame);
}

zmq_msg_set(3) zmq_msg_init(3) zmq_msg_close(3) zmq(7)

This 0MQ manual page was written by Chuck Remes <cremes@mac.com[1]> and Pieter Hintjens <ph@imatix.com[2]>.

1.
cremes@mac.com
mailto:cremes@mac.com
2.
ph@imatix.com
mailto:ph@imatix.com
10/14/2014 0MQ 3.2.5

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