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31 lines
737 B
Groff
31 lines
737 B
Groff
.TH zmq_msg_size 3 "" "(c)2007-2010 iMatix Corporation" "0MQ User Manuals"
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.SH NAME
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zmq_msg_size \- retrieves size of the message content
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.SH SYNOPSIS
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.B size_t zmq_msg_size (zmq_msg_t *msg);
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.SH DESCRIPTION
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Returns size of the message data. Always use this function to get the size,
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never use
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.IR zmq_msg_t
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members directly.
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.SH RETURN VALUE
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Size of the message data (bytes).
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.SH ERRORS
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No errors are defined.
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.SH EXAMPLE
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.nf
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zmq_msg_t msg;
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rc = zmq_msg_init (&msg);
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assert (rc == 0);
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rc = zmq_recv (s, &msg, 0);
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assert (rc == 0);
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size_t msg_size = zmq_msg_size (&msg);
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.fi
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.SH SEE ALSO
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.BR zmq_msg_init (3)
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.BR zmq_msg_init_size (3)
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.BR zmq_msg_init_data (3)
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.BR zmq_msg_close (3)
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.SH AUTHOR
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Martin Sustrik <sustrik at 250bpm dot com>
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