diff --git a/Lib/plat-freebsd7/IN.py b/Lib/plat-freebsd7/IN.py
index 77314ac..4e3b3a2 100644
--- a/Lib/plat-freebsd7/IN.py
+++ b/Lib/plat-freebsd7/IN.py
@@ -10,9 +10,9 @@
 __GNUCLIKE_CTOR_SECTION_HANDLING = 1
 __GNUCLIKE_BUILTIN_CONSTANT_P = 1
 __GNUCLIKE_BUILTIN_VARARGS = 1
+__GNUCLIKE_BUILTIN_STDARG = 1
 __GNUCLIKE_BUILTIN_VAALIST = 1
 __GNUC_VA_LIST_COMPATIBILITY = 1
-__GNUCLIKE_BUILTIN_STDARG = 1
 __GNUCLIKE_BUILTIN_NEXT_ARG = 1
 __GNUCLIKE_BUILTIN_MEMCPY = 1
 __CC_SUPPORTS_INLINE = 1
@@ -51,6 +51,8 @@
 
 def __predict_false(exp): return (exp)
 
+def __format_arg(fmtarg): return __attribute__((__format_arg__ (fmtarg)))
+
 def __FBSDID(s): return __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
 
 def __RCSID(s): return __IDSTRING(__CONCAT(__rcsid_,__LINE__),s)
@@ -247,6 +249,7 @@
 IPPROTO_APES = 99
 IPPROTO_GMTP = 100
 IPPROTO_IPCOMP = 108
+IPPROTO_SCTP = 132
 IPPROTO_PIM = 103
 IPPROTO_CARP = 112
 IPPROTO_PGM = 113
@@ -289,6 +292,10 @@
 
 def IN_BADCLASS(i): return (((u_int32_t)(i) & (-268435456)) == (-268435456))
 
+def IN_LINKLOCAL(i): return (((u_int32_t)(i) & (-65536)) == (-1442971648))
+
+def IN_LOCAL_GROUP(i): return (((u_int32_t)(i) & (-256)) == (-536870912))
+
 INADDR_NONE = (-1)
 IN_LOOPBACKNET = 127
 IP_OPTIONS = 1
@@ -326,14 +333,35 @@
 IP_FW_ZERO = 53
 IP_FW_GET = 54
 IP_FW_RESETLOG = 55
+IP_FW_NAT_CFG = 56
+IP_FW_NAT_DEL = 57
+IP_FW_NAT_GET_CONFIG = 58
+IP_FW_NAT_GET_LOG = 59
 IP_DUMMYNET_CONFIGURE = 60
 IP_DUMMYNET_DEL = 61
 IP_DUMMYNET_FLUSH = 62
 IP_DUMMYNET_GET = 64
 IP_RECVTTL = 65
+IP_MINTTL = 66
+IP_DONTFRAG = 67
+IP_ADD_SOURCE_MEMBERSHIP = 70
+IP_DROP_SOURCE_MEMBERSHIP = 71
+IP_BLOCK_SOURCE = 72
+IP_UNBLOCK_SOURCE = 73
+IP_MSFILTER = 74
+MCAST_JOIN_GROUP = 80
+MCAST_LEAVE_GROUP = 81
+MCAST_JOIN_SOURCE_GROUP = 82
+MCAST_LEAVE_SOURCE_GROUP = 83
+MCAST_BLOCK_SOURCE = 84
+MCAST_UNBLOCK_SOURCE = 85
 IP_DEFAULT_MULTICAST_TTL = 1
 IP_DEFAULT_MULTICAST_LOOP = 1
-IP_MAX_MEMBERSHIPS = 20
+IP_MIN_MEMBERSHIPS = 31
+IP_MAX_MEMBERSHIPS = 4095
+IP_MAX_SOURCE_FILTER = 1024
+MCAST_INCLUDE = 1
+MCAST_EXCLUDE = 2
 IP_PORTRANGE_DEFAULT = 0
 IP_PORTRANGE_HIGH = 1
 IP_PORTRANGE_LOW = 2
@@ -359,7 +387,7 @@
 
 
 # Included from netinet6/in6.h
-__KAME_VERSION = "20010528/FreeBSD"
+__KAME_VERSION = "FreeBSD"
 IPV6PORT_RESERVED = 1024
 IPV6PORT_ANONMIN = 49152
 IPV6PORT_ANONMAX = 65535
@@ -430,6 +458,8 @@
 
 def IN6_IS_SCOPE_LINKLOCAL(a): return \
 
+def IN6_IS_SCOPE_EMBED(a): return \
+
 def IFA6_IS_DEPRECATED(a): return \
 
 def IFA6_IS_INVALID(a): return \
@@ -488,6 +518,7 @@
 IPV6_TCLASS = 61
 IPV6_DONTFRAG = 62
 IPV6_PREFER_TEMPADDR = 63
+IPV6_MSFILTER = 74
 IPV6_RTHDR_LOOSE = 0
 IPV6_RTHDR_STRICT = 1
 IPV6_RTHDR_TYPE_0 = 0
@@ -531,5 +562,10 @@
 IPV6CTL_RIP6STATS = 36
 IPV6CTL_PREFER_TEMPADDR = 37
 IPV6CTL_ADDRCTLPOLICY = 38
+IPV6CTL_USE_DEFAULTZONE = 39
 IPV6CTL_MAXFRAGS = 41
-IPV6CTL_MAXID = 42
+IPV6CTL_IFQ = 42
+IPV6CTL_ISATAPRTR = 43
+IPV6CTL_MCAST_PMTU = 44
+IPV6CTL_STEALTH = 45
+IPV6CTL_MAXID = 46