#if     defined(__cplusplus__)
extern "C" {
  void abs16o17o_c(double *,double *,double *,double *,double *,double *,double *,double *,double *);
}
#else
extern void abs16o17o_c(double *,double *,double *,double *,double *,double *,double *,double *,double *);
#endif
