lisp-implementation-type, lisp-implementation-version

lisp-implementation-type ⟨no arguments⟩ → description

lisp-implementation-version ⟨no arguments⟩ → description

description — a string or nil.

lisp-implementation-type and lisp-implementation-version identify the current implementation of Common Lisp.

lisp-implementation-type returns a string that identifies the generic name of the particular Common Lisp implementation.

lisp-implementation-version returns a string that identifies the version of the particular Common Lisp implementation.

If no appropriate and relevant result can be produced, nil is returned instead of a string.

 (lisp-implementation-type) 
→ "ACME Lisp" 
or → "Joe's Common Lisp" 
 (lisp-implementation-version) 
→ "1.3a" 
→ "V2" 
or → "Release 17.3, ECO #6"