K 10
svn:author
V 7
delphij
K 8
svn:date
V 27
2020-07-22T02:14:27.742612Z
K 7
svn:log
V 207
gctl_get_class, gctl_get_geom and gctl_get_provider: provide feedback
when the requested argument is missing.

Reviewed by:		cem
MFC after:		2 weeks
Differential revision:	https://reviews.freebsd.org/D25738

END