K 10
svn:author
V 6
eadler
K 8
svn:date
V 27
2012-10-02T00:30:26.322437Z
K 7
svn:log
V 151
Implement the Sun/GNU extension of using a default
prefix when no arguments are supplied.

Reviewed by:	jilles
Approved by:	cperciva
MFC after:	1 week

END