libzmq/doc/zmq_msg_gets.txt
Martin Hurton f81a1304ff Update function prototype for zmq_msg_gets ()
Added modifiers reflect the following properties:
- zmq_msg_gets () does not mutate property parameter
- zmq_msg_gets () returns a pointer to memory the caller should not
  modify
2014-04-30 13:27:06 +02:00

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zmq_msg_gets(3)
===============
NAME
----
zmq_msg_gets - get message metadata property
SYNOPSIS
--------
*const char *zmq_msg_gets (zmq_msg_t '*message', const char *'property');*
DESCRIPTION
-----------
The _zmq_msg_gets()_ function shall return the string value for the metadata
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:
RETURN VALUE
------------
The _zmq_msg_gets()_ function shall return the string value for the property
if successful. Otherwise it shall return NULL and set 'errno' to one of the
values defined below. The caller shall not modify or free the returned value,
which shall be owned by the message.
ERRORS
------
*EINVAL*::
The requested _property_ is unknown.
EXAMPLE
-------
.To be done
----
zmq_msg_t frame;
----
SEE ALSO
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linkzmq:zmq[7]
AUTHORS
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