I guess you meant passing the address of a callback function to J. This is possible as already mentioned by Oleg. Could you give more information of what you are going to achieve?

Jack Andrews wrote:
Note that the way for J to call general c functions
is with the dll call mechanism (cd).

but this mechanism requires inelegant workarounds like
copying the j.dll to jj.dll and c functions need to be
put in a dll -- that's two new entities that are not
necessary.

thanks,  jack
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--
regards,
bill
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