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.TH zmq_msg_init 3 "" "(c)2007-2009 FastMQ Inc." "0MQ User Manuals"
.SH NAME
zmq_msg_init \- initialises empty 0MQ message
.SH SYNOPSIS
.B int zmq_msg_init (zmq_msg_t *msg);
.SH DESCRIPTION
Initialises 0MQ message zero bytes long. The function is most useful
to initialise a
.IR zmq_msg_t
structure before receiving a message.
.SH RETURN VALUE
In case of success the function returns zero. Otherwise it returns -1 and
sets
.IR errno
to the appropriate value.
.SH ERRORS
No errors are defined.
.SH EXAMPLE
.nf
zmq_msg_t msg;
rc = zmq_msg_init (&msg);
assert (rc == 0);
rc = zmq_recv (s, &msg, 0);
assert (rc == 0);
.fi
.SH SEE ALSO
.BR zmq_msg_close (3)
.BR zmq_msg_init_size (3)
.BR zmq_msg_init_data (3)
.BR zmq_msg_data (3)
.BR zmq_msg_size (3)
.SH AUTHOR
Martin Sustrik <sustrik at 250bpm dot com>
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