struct PK_GEOM_check_o_s { int o_t_version; --- version number of option structure int max_faults; --- limit on fault numbers (1) PK_check_geom_t geom; --- bad geometry (PK_check_geom_yes_c) }; typedef struct PK_GEOM_check_o_s PK_GEOM_check_o_t; Holds optional controls for checking a geometrical entity. The option structure defines options applicable to checking a geometrical entity.