Returns a string that identifies the particular instance of the computer hardware on which Common Lisp is running, or nil if no such string can be computed.
(machine-instance)
→"ACME.COM" or "S/N 123231" or "18.26.0.179" or "AA-00-04-00-A7-A4"
None.
The machine instance, and the implementation.
None.
None.