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llibra/gist:2166352

Created March 23, 2012 02:47
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cffi:w-f-o
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gistfile1.lisp
(cffi:with-foreign-object (p :pointer)
(print (cffi:mem-ref p :pointer))
(setf (cffi:mem-ref p :pointer) (cffi:null-pointer))
(print (cffi:mem-ref p :pointer))
(print (cffi:pointer-address p)))
;-> #<A Foreign Pointer #x36>
; #<A Null Foreign Pointer>
; 37879600
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