Next: pathname-host, Previous: make-pathname, Up: Filenames Dictionary
pathnamep  object ⇒  generalized-boolean
object—an object.
generalized-boolean—a generalized boolean.
Returns true if object is of type pathname; otherwise, returns false.
 (setq q "test")  ⇒  "test"
 (pathnamep q) ⇒  false
 (setq q (pathname "test"))
⇒  #S(PATHNAME :HOST NIL :DEVICE NIL :DIRECTORY NIL :NAME "test" :TYPE NIL
       :VERSION NIL)
 (pathnamep q) ⇒  true 
 (setq q (logical-pathname "SYS:SITE;FOO.SYSTEM"))
⇒  #P"SYS:SITE;FOO.SYSTEM"
 (pathnamep q) ⇒  true
(pathnamep object) ≡ (typep object 'pathname)