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

zmq_msg_init_size - initialise 0MQ message of a specified size

int zmq_msg_init_size (zmq_msg_t *msg, size_t size);

The zmq_msg_init_size() function shall allocate any resources required to store a message size bytes long and initialise the message object referenced by msg to represent the newly allocated message.
The implementation shall choose whether to store message content on the stack (small messages) or on the heap (large messages). For performance reasons zmq_msg_init_size() shall not clear the message data.
 
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_size() function shall return zero if successful. Otherwise it shall return -1 and set errno to one of the values defined below.

ENOMEM
Insufficient storage space is available.

zmq_msg_init_data(3) zmq_msg_init(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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