box2d_to_lwgeom box3d_to_lwgeom geo_as_wkt geog_serialize geom_serialize geom_spatialrel GEOS2POSTGIS lwgeom_line_interpolate_point POSTGIS2GEOS postgis_valid_typmod

geom_serialize() GSERIALIZED * geom_serialize ( LWGEOM *  lwgeom ) Utility method to call the serialization and then set the PgSQL varsize header appropriately with the serialized size.