K 10
svn:author
V 6
eadler
K 8
svn:date
V 27
2019-12-12T05:11:53.513819Z
K 7
svn:log
V 230
[showmount] implement long options

add long options support to showmount. Where mappings exist use the GNU
names for said options.

Differential Revision:	https://reviews.freebsd.org/D22543
Reviewed by:		kevans (earlier version)

END