Returns the object into which the given address is pointing.
pointer-from-address address => object
An integer giving the address of the object.
The object pointed to by address.
pointer-from-address returns the object into which the given integer address is pointing. Note that this address may not be pointing into this object after a garbage collection, unless the object is static and is still referenced by another Lisp variable or object.
CL-USER 8 > (setq static-string
Warning: Setting unbound variable STATIC-STRING
CL-USER 9 > (sys:object-address static-string)
CL-USER 10 > (sys:pointer-from-address *)
CL-USER 11 > (eq * static-string)
LispWorks User Guide and Reference Manual - 13 Feb 2015