struct PK_FACE_simplify_geom_o_s { int o_t_version; --- version number of option structure PK_LOGICAL_t want_geoms; --- user requires new geoms to be returned --- (Default is PK_LOGICAL_false) }; typedef struct PK_FACE_simplify_geom_o_s PK_FACE_simplify_geom_o_t; This options structure will hold optional controls for PK_FACE_simplify_geom. Description of fields: o_t_version version number of option structure. want_geoms user requires new geoms to be returned (Default is PK_LOGICAL_false).