extern int otb_6s_modisbrdf_(
  otb_6s_doublereal *p1,
  otb_6s_doublereal *p2,
  otb_6s_doublereal *p3,
  otb_6s_integer *mu,
  otb_6s_integer *np,
  otb_6s_doublereal *rm,
  otb_6s_doublereal *rp,
  otb_6s_doublereal *brdfint
  );
