DatumGetNpointP DatumGetNsegmentP GEOM_TO_NPOINT NPOINT_TO_GEOM NpointPGetDatum NsegmentPGetDatum PG_GETARG_NPOINT_P PG_GETARG_NSEGMENT_P PG_RETURN_NPOINT_P tgeompoint_tnpoint tgeompointdiscseq_tnpointdiscseq tgeompointinst_tnpointinst tgeompointseq_tnpointseq tgeompointseqset_tnpointseqset tnpoint_positions tnpoint_route tnpoint_routes tnpoint_tgeompoint tnpointcontseq_routes tnpointcontseq_tgeompointcontseq tnpointdiscseq_routes tnpointdiscseq_tgeompointdiscseq tnpointinst_positions tnpointinst_route tnpointinst_routes tnpointinst_tgeompointinst tnpointseq_linear_positions tnpointseq_positions tnpointseqset_positions tnpointseqset_routes tnpointseqset_tgeompointseqset

DatumGetNpointP #define DatumGetNpointP (   X )    ((Npoint *) DatumGetPointer(X))