| DclDraw3DMarker (SCPMU, SCPMZU) | Draw marker line with 3 dimension user coordinates systems. | 
| Dc lDraw3DMarkerNormalized (SCPMV, SCPMZV) | Draw marker line with 3 dimension regular coordinates systems. | 
| DclSet3DMarkerType (SCSPMT) | Set marker type. | 
| DclSet3DMarkerIndex (SCSPMI) | Set line index of a marker. | 
| DclSet3DMarkerSize (SCSPMS) | Set size of a marker. | 
| DclGet3DMarkerType (SCQPMT) | Refer to marker type. | 
| DclGet3DMarkerIndex (SCQPMI) | Refer to line index of a marker. | 
| DclGet3DMarkerSize (SCQPMS) | Refer to size of a marker. | 
*The corresponding f77 interface name in parentheses.