Hi!

I am trying to call a c function with an argument passed by address. 
Reading the documentation in 
file:/usr/local/acl5/doc/cl/foreign_functions.htm#5.1, 
Modifying arguments called by address: use arrays
I found the example: 

(ff:def-foreign-call `itimes2 ((simple-array fixnum (1)))
            :convention :fortran :returning :void)

However, changing the obvious mistakes to:

(ff:def-foreign-call itimes2 ((dice (simple-array fixnum (1))))
            :convention :c  :returning :void)

I get the error: 

Error: don't know how to convert type: (SIMPLE-ARRAY FIXNUM (1))
  [condition type: SIMPLE-ERROR]

Could somebody please show me an example of a call by address in a 
def-foreign-call.  That will save me some testing time. 

Thanks,

-- 
                                         
                                          myriam









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