I am not sure if this change has been accepted into cffi:

diff -rN -u old-cffi/src/cffi-ecl.lisp new-cffi/src/cffi-ecl.lisp


--- old-cffi/src/cffi-ecl.lisp	2008-02-02 23:17:14.000000000 +0100


+++ new-cffi/src/cffi-ecl.lisp	2008-02-02 23:17:14.000000000 +0100


@@ -54,6 +54,7 @@
    #:with-pointer-to-vector-data
    #:%defcallback
    #:%callback
+   #:foreign-symbol-pointer


    #:%foreign-symbol-pointer))

http://article.gmane.org/gmane.lisp.ecl.general/3342/match=foreign+symbol+pointer+cffi+ecl

With this change cffi compiles on ecl, but I am having problem accessing callbacks in ecl from c. foreign-funcall works fine from within ecl...
http://github.com/tinku99/ahklisp/blob?path[]=ecl&path[]=clinit.lisp&raw=true

anyone else have this issue?