TSIX_GET_MAC(3N)					      TSIX_GET_MAC(3N)

NAME    [Toc]    [Back]

     tsix_get_mac - get	the MAC	label of incoming data

SYNOPSIS    [Toc]    [Back]

     #include <sys/mac.h>
     #include <t6net.h>

     int tsix_get_mac(int fd, mac_t *lbl);

DESCRIPTION    [Toc]    [Back]

     tsix_get_mac retrieves the	MAC label associated with data incoming	on fd,
     which must	be associated with a socket.  If tsix_get_mac is successful,
     that MAC label will be pointed to by lbl.

     The caller	should call mac_free on	the mac_t argument lbl,	which was
     passed to tsix_get_mac.

     If	_SC_IP_SECOPTS is not in effect, tsix_get_mac always returns success.

RETURN VALUES    [Toc]    [Back]

     tsix_get_mac returns 0 if successful, otherwise errno will	be set and -1
     returned.

ERRORS    [Toc]    [Back]

     [ENOTSOCK]	    Attempted a	socket operation on a non-socket.

     [EFAULT]	    Invalid pointer address.

     [EINVAL]	    Invalid argument.

SEE ALSO    [Toc]    [Back]

     sysconf(3c), tsix_set_mac(3c)


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