K 10
svn:author
V 8
dwmalone
K 8
svn:date
V 27
2001-11-04T21:15:52.000000Z
K 7
svn:log
V 177
Make top exit if its tty vanishes.

PR:		30939, 30581
Submitted by:	Edwin Groothuis <edwin@mavetju.org>
Submitted by: 	Andrew L. Neporada <andr@dgap.mipt.ru>
MFC after:	2 weeks

END