K 10
svn:author
V 6
jilles
K 8
svn:date
V 27
2014-07-18T21:29:59.223717Z
K 7
svn:log
V 179
ttyname(3): Fix EBADF/ENOTTY error descriptions.

Also, make sure to document the return values and errors for all three
functions in the man page.

PR:		191931
MFC after:	1 week

END