//....
#ifdef __cplusplus
#include <math.h>
#include <stdlib.h>
extern "C" {
#endif
#ifndef __cplusplus
#define PERL_NO_INLINE_FUNCTIONS 1
#endif
#include "EXTERN.h"
#if defined  _
#undef _
#endif    
#include "perl.h"
#include "XSUB.h"
#include <string.h>
#ifdef __cplusplus
}
#endif