! $Id: cluster,v 1.1 2001/12/07 16:54:10 toast Exp $
CLUSTER(userhost)
  Returns a pattern which matches the given userhost.

Examples:
  cluster(bob@192.168.1.1)		- Returns "bob@192.168.1.*"
  cluster(frank@bart.sampson.foo)	- Returns "frank@*.sampson.foo"

See also:
  FUNCTIONS USERHOST
  FUNCTIONS CLUSTERHOST
