ndle that case specially.
         (open-bytevector-input-port '#vu8())
         (let ((open (memory-backend-open backend)))
           (open address size))))))

(define (get-word port)
  "Read a word from PORT and return it as an integer."
  (let ((bv (get-bytevector-n port %word-size)))
    (bytevector-uint-ref bv 0 (native-endianness) %word-size)))

(define (read-c-string backend address)
  "Read a NUL-terminated string from ADDRESS, decode it as UTF-8, and
return the corresponding string."
  (define port
    (memory-port backend address))

  (let loop ((bytes '()))
    (let ((byte (get-u8 port)))
      (if (zero? byte)
          (utf8->string (u8-list->bytevector (reverse bytes)))
          (loop (cons byte bytes))))))

(define-inlinable (type-number->name backend kind number)
  "Return the name of the type NUMBER of KIND, where KIND is one of
'smob or 'port, or #f if the information is unavailable."
  (let ((proc (memory-backend-type-name backend)))
    (and proc (proc kind number))))