yes excuse me , i forgot the most important... the xs file is like this (exactly) : 
#include "EXTERN.h"
#include "perl.h"
#include "XSUB.h"
#include "ppport.h"
#include "test.h"

typedef struct s_test Test;

MODULE = Tests    PACKAGE = Tests

void
my_function(ptr_struct)
Test * ptr_struct

[download]
and in thetypemap file i added the following line : 
Test *  T_PTROBJ

[download]
thank you very much

In reply to Re^2: mapping a C structure with perlXS by jeanba
in thread mapping a C structure with perlXS by jeanba

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