Hi, sorry for my non-answering... I found the solution by using in my C code the funtion : 
PTR2UV(pointer);
PTR2IV(pointer);
PTR2NV(pointer);
INT2PTR(pointertotype, integer);

[download]
they allow me to keep connexion handlers from C code to Perl and Perl to C code...;) thank you for your help !!!

In reply to Re^6: mapping a C structure with perlXS by jeanba
in thread mapping a C structure with perlXS by jeanba

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