struct PK_TOPOL_fctab_vertex_point_s
       {
       int        *point;
       int        length;
       };
typedef struct PK_TOPOL_fctab_vertex_point_s
               PK_TOPOL_fctab_vertex_point_t;


This is a support structure for PK_TOPOL_facet_r_t. It represents a one
column table which maps vertex indices (topology) into a table of 'point'
indices (geometry).