Macro:	is_clone - is an object a clone or the loaded object

Synopsis:
	status is_clone(object)

Description:
	See 'man clonep' - 'is_clone' is obsolete.

Note:
	... is now obsolete - use 'clonep'.
	Now 'is_clone' is a #define made in /include/auto.h and
	points directly to 'clonep'.

See also: efun/clonep