Use these routines...

To access these subobjects...

Node_Data Node_Data_Struct { /* structured data*/

int FLDget_ndim (
OMobj_id field,
int *ndim);
int FLDset_ndim (
OMobj_id field,
int ndim);

int ndim; /*number of dimensions */

int FLDget_dims (
OMobj_id field,
int **dims,
int *size);
int FLDset_dims (
OMobj_id field,
int *dims);

int dims[ndim]; /* dimensions */

int FLDget_nnodes (
OMobj_id field,
int *nnodes);
int FLDset_nnodes (
OMobj_id field,
int nnodes);

int nnodes => prod(dims); /* number of nodes */

};