FILE
	/usr/common/sys/channeld.c

NAME
	unsubscribe_user - remove a user's subscription to a channel

PROTOTYPE
	int unsubscribe_user(mixed user, int channel)

CALLED BY
	System, Common, Game

DESCRIPTION
	Unsubscribe the user from the channel.  User can be specified as
	a user object or a name string.  The user will no longer receive
	data sent to the given channel.

RETURN VALUE
	Returns 1 if successful, -1 if failed.  Normally an unsubscribe
	will only fail if the user isn't already subscribed.

ERRORS
	Normally none

SEE ALSO
	get_channel_by_name, string_to_channel, subscribe_user,
	unsubscribe_user_from_all