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

zmq_msg_init - initialise empty 0MQ message

int zmq_msg_init (zmq_msg_t *msg);

The zmq_msg_init() function shall initialise the message object referenced by msg to represent an empty message. This function is most useful when called before receiving a message with zmq_msg_recv().
 
Caution
 
 
Never access zmq_msg_t members directly, instead always use the zmq_msg family of functions.
 
Caution
 
 
The functions zmq_msg_init(), zmq_msg_init_data() and zmq_msg_init_size() are mutually exclusive. Never initialise the same zmq_msg_t twice.

The zmq_msg_init() function always returns zero.

No errors are defined.

Receiving a message from a socket.
zmq_msg_t msg;
rc = zmq_msg_init (&msg);
assert (rc == 0);
int nbytes = zmq_msg_recv (socket, &msg, 0);
assert (nbytes != -1);

zmq_msg_init_size(3) zmq_msg_init_data(3) zmq_msg_close(3) zmq_msg_data(3) zmq_msg_size(3) zmq(7)

This page was written by the 0MQ community. To make a change please read the 0MQ Contribution Policy at http://www.zeromq.org/docs:contributing.
12/13/2017 0MQ 4.2.3

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