text: realtype *river_d_bc_head,
  realtype *river_d_bc_flux,
  realtype *river_d_matl_rough,
  realtype *river_d_topo_node_zmax,
  realtype *river_d_topo_zbed,
  realtype *river_d_shp_coeff,
  realtype *river_d_shp_depth,
  realtype *river_d_shp_length,
  realtype *river_d_ws_stage,
  int *river_d_shp_intrpl_ord
  