Change atf_tc_skip to atf_tc_expect_fail as requested by Casey Peel
Use atf_tc_expect_fail, not atf_tc_skip. For FreeBSD only
Use atf_tc_expect_fail, not atf_tc_skip
Use atf_tc_expect_fail to document MAXHOSTNAMELEN - 1 issue
Use atf_tc_expect_fail not atf_tc_skip. Only FreeBSD.
Enclose expect fail in ifdef FreeBSD
Elaborate on name length issue
Update t_sethostname.c like t_setdomainname.c