MAC address Post: 302382271

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LEARN ABOUT FREEBSD

mac_is_present

MAC_IS_PRESENT(3)					   BSD Library Functions Manual 					 MAC_IS_PRESENT(3)

NAME

     mac_is_present -- report whether the running system has MAC support

LIBRARY

     Standard C Library (libc, -lc)

SYNOPSIS

     #include <sys/mac.h>

     int
     mac_is_present(const char *policyname);

DESCRIPTION

     The mac_is_present() function determines whether the currently-running kernel supports MAC for a given policy or not.  If policyname is
     non-NULL, the presence of the named policy (e.g. ``biba'', ``mls'', ``te'') is checked, otherwise the presence of any MAC policies at all is
     checked.

RETURN VALUES

     If the system supports the given MAC policy, the value 1 is returned.  If the specified MAC policy is not supported, the value 0 is returned.
     If an error occurs, the value -1 is returned.

ERRORS

     [EINVAL]		The value of policyname is not valid.

     [ENOMEM]		Insufficient memory was available to allocate internal storage.

SEE ALSO

     mac(3), mac_free(3), mac_get(3), mac_prepare(3), mac_set(3), mac_text(3), mac(4), mac(9)

HISTORY

     Support for Mandatory Access Control was introduced in FreeBSD 5.0 as part of the TrustedBSD Project.

BSD
								   July 7, 2006 							       BSD

10 More Discussions You Might Find Interesting

1. Programming

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Discussion started by: ss_hpov

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Mac address

Discussion started by: Syed_45

3. IP Networking

How to Achive IP address through MAC(Ethernet) address

Discussion started by: krishnacins

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changing MAC address

Discussion started by: caltiger