anchor.diff:  ;;; cffi-abcl.lisp --- CFFI-SYS implementation for ABCL/JNA.
   ;;;
   ;;; Copyright (C) 2009, Luis Oliveira  <loliveira@common-lisp.net>
  +;;; Copyright (C) 2012, Mark Evenson  <evenson.not.org@gmail.com>
   ;;;
   ;;; Permission is hereby granted, free of charge, to any person
   ;;; obtaining a copy of this software and associated documentation
  
positive.code: ;;; apparently no supported by ABCL as of June 2009.
  
  (defmacro %defcallback (name rettype arg-names arg-types body
                          &key convention)
    (warn "callback support unimplemented"))
  
  (defun %callback (name)
  
negative.code: 
  ;;; This implementation requires the Java Native Access (JNA) library.
  ;;; <http://jna.dev.java.net/>
  ;;;
  ;;; JNA may be automatically loaded into the current JVM process from
  ;;; abcl-1.1.0-dev via
  ;;;
  ;;;   (require 'abcl-contrib)
  ;;;   (require 'jna)
  
  (require 'abcl-contrib)
  (require 'jna)
  
  ;;; This is a preliminary version that will have to be cleaned up,
  ;;; optimized, etc. Nevertheless, it passes all of the relevant CFFI
  ;;; tests except MAKE-POINTER.HIGH. Shareable Vectors are not
  ;;; implemented yet.
  
  ;;;# Administrivia
  
  