xs_msg_init man page on DragonFly

xs_msg_init man page on DragonFly

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XS_MSG_INIT(3)		     Crossroads I/O Manual		XS_MSG_INIT(3)

NAME
       xs_msg_init - initialise empty Crossroads message

SYNOPSIS
       int xs_msg_init (xs_msg_t *msg);

DESCRIPTION
       The xs_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 xs_recv().

	   Caution
	   Never access xs_msg_t members directly, instead always use the
	   xs_msg family of functions.

	   Caution
	   The functions xs_msg_init(), xs_msg_init_data() and
	   xs_msg_init_size() are mutually exclusive. Never initialize the
	   same xs_msg_t twice.

RETURN VALUE
       The xs_msg_init() function shall return zero if successful. Otherwise
       it shall return -1 and set errno to one of the values defined below.

ERRORS
       No errors are defined.

EXAMPLE
       Receiving a message from a socket.

	   xs_msg_t msg;
	   rc = xs_msg_init (&msg);
	   assert (rc == 0);
	   rc = xs_recv (socket, &msg, 0);
	   assert (rc == 0);

SEE ALSO
       xs_msg_init_size(3) xs_msg_init_data(3) xs_msg_close(3) xs_msg_data(3)
       xs_msg_size(3) xs(7)

AUTHORS
       The Crossroads documentation was written by Martin Sustrik
       <sustrik@250bpm.com[1]> and Martin Lucina <martin@lucina.net[2]>.

NOTES
	1. sustrik@250bpm.com
	   mailto:sustrik@250bpm.com

	2. martin@lucina.net
	   mailto:martin@lucina.net

Crossroads I/O 1.2.0		  02/17/2016			XS_MSG_INIT(3)

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