> On 23 Jun 2016, at 18:54, Merwan Ouddane <merwanouddane@gmail.com> wrote:
>
> On 23/06/2016 18:39, Esteban Lorenzano wrote:
>> which function?
> A function within a DLL file.
>> declared how?
>
> Something like: void foo( void *bar)
>
>> used how?
>
> MyClass foo: bar
>�� �� ^ self ffiCall: #(void foo( void *bar))
>
> MyClass foo: 0
> MyClass foo: FFIExternalObject null

is "ExternalAddress null��� what you want.

>
>>
>> Esteban
>>
>>> On 23 Jun 2016, at 18:07, Merwan Ouddane <merwanouddane@gmail.com> wrote:
>>>
>>> Hi,
>>>
>>> I wanted to call a function using null as argument but did not managed to do so.
>>>
>>> I tried to use an integer, but the FFI forbids it.
>>>
>>> I tried to use FFIExternalObject null, but the FFI vould not coerce the arguments.
>>>
>>> To make it work I had to duplicate the method and set 0 instead of an argument.
>>>
>>> void foo (0);
>>>
>>> Is it possible to do it the first way ?
>>>
>>> Regards,
>>>
>>> Merwan
>>>
>>>
>>
>
>