anchor.diff:        (raise-usock-err (sockint::wsa-get-last-error) socket)))
   
     (defun os-socket-handle (usocket)
  -    (sb-bsd-sockets:socket-file-descriptor (socket usocket)))
  +    (sockint::fd->handle (sb-bsd-sockets:socket-file-descriptor (socket usocket))))
   
     (defun bytes-available-for-read (socket)
       (sb-alien:with-alien ((int-ptr (* sb-alien:unsigned-long)))
  
positive.code:                                          (socket sock)))
                 (setf (state sock) :READ))))))))
  
  
  )
  
  (defun map-socket-error (sock-err)
    (map-errno-error (sb-bsd-sockets::socket-error-errno sock-err)))
  
negative.code: 
  #+ecl
  (progn
    #-:wsock
    (ffi:clines
     "#include <errno.h>"
  