unsigned flags; /* SOMF_*. */
int nc, nr; /* Number of columns, rows. */
int cf; /* Column factor for indexing purposes. */
int l, r, t, b; /* Number of header rows on each side. */
unsigned flags; /* SOMF_*. */
int nc, nr; /* Number of columns, rows. */
int cf; /* Column factor for indexing purposes. */
int l, r, t, b; /* Number of header rows on each side. */