ip6addctl on MacOSX 10.7

gistfile1.txt

% uname -a
Darwin prince.local 11.0.0 Darwin Kernel Version 11.0.0: Sat Jun 18 12:56:35 PDT 2011; root:xnu-1699.22.73~1/RELEASE_X86_64 x86_64
% curl -o ip6addrctl.c 'http://www.freebsd.org/cgi/cvsweb.cgi/~checkout~/src/usr.sbin/ip6addrctl/ip6addrctl.c?rev=1.3.32.1;content-type=text%2Fplain'
% gcc -o ip6addrctl ip6addrctl.c
% ./ip6addrctl
Prefix                          Prec Label      Use
::1/128                           60     0       18
fc00::/7                          50     1        0
::/0                              40     2     2953
::ffff:0.0.0.0/96                 30     3     1043
2002::/16                         20     4        8
2001::/32                         10     5        0
::/96                              1    10        0
fec0::/16                          1    11        0
3ffe::/16                          1    12        0
% sudo ./ip6addrctl delete 2001::/32  
ip6addrctl: ioctl(SIOCDADDRCTL_POLICY): Operation not supported