NAME
	previous_object - return the previous object

SYNOPSIS
	object previous_object(varargs int n)


DESCRIPTION
	Return the object n+1 (default: 1) steps back in the call_other chain.
	If the object is destructed, or the number of steps is larger than
	the number of call_others involved, nil is returned.

SEE ALSO
	kfun/call_other, kfun/previous_program, kfun/this_object,
	kfun/call_trace
