(and additional formats are defined for possible future implementation):
.Bd -literal
#define AF_UNIX 1 /* local to host (pipes) */
-#define AF_INET 2 /* internetwork: UDP, TCP, etc. */
+#define AF_INET 2 /* IPv4: UDP, TCP, etc. */
+#define AF_INET6 30 /* IPv6: UDP, TCP, etc. */
#define AF_NS 6 /* Xerox NS protocols */
#define AF_CCITT 10 /* CCITT protocols, X.25 etc */
#define AF_HYLINK 15 /* NSC Hyperchannel */
};
.Ed
.Sh SEE ALSO
-.Xr socket 2 ,
.Xr ioctl 2 ,
+.Xr socket 2 ,
.Xr intro 4 ,
-.Xr config 8 ,
+.Xr config 5 ,
.Xr routed 8
.Sh HISTORY
The