extern int otb_6s_msrm_(
  
  );
extern int otb_6s_akd_(
  
  );
extern int otb_6s_biz_(
  
  );
extern int otb_6s_difr92_(
  
  );
extern int otb_6s_glak_(
  otb_6s_doublereal *glth,
  otb_6s_doublereal *th
  );
extern int otb_6s_gmf_(
  otb_6s_doublereal *gf
  );
extern int otb_6s_soil_(
  
  );
extern int otb_6s_soilspec_(
  
  );
extern int otb_6s_gmd92_(
  
  );
extern int otb_6s_leaf_(
  
  );
extern int otb_6s_s13aaf_(
  
  );
extern int otb_6s_tav_(
  
  );
extern int otb_6s_valeur_(
  
  );
extern int otb_6s_dakg_(
  otb_6s_doublereal *u,
  otb_6s_doublereal *a,
  otb_6s_integer *nq
  );
extern int otb_6s_akbrdf_(
  otb_6s_doublereal *eei,
  otb_6s_doublereal *thmi,
  otb_6s_doublereal *uli,
  otb_6s_doublereal *sli,
  otb_6s_doublereal *rsl1i,
  otb_6s_doublereal *wlmoy,
  otb_6s_doublereal *rnci,
  otb_6s_doublereal *cabi,
  otb_6s_doublereal *cwi,
  otb_6s_doublereal *vaii,
  otb_6s_integer *mu,
  otb_6s_integer *np,
  otb_6s_doublereal *rm,
  otb_6s_doublereal *rp,
  otb_6s_doublereal *brdfint
  );
extern int otb_6s_akalbe_(
  otb_6s_doublereal *albbrdf
  );
