Raster Image Functions:
 Input and Output
  Markers

L_CopyMarkers

L_CreateMarkers

L_DeleteMarker

L_EnumMarkers

L_FreeMarkers

L_GetMarker

L_GetMarkerCount

L_GetMarkers

L_InsertMarker

L_LoadMarkers

L_SetMarkers

L_WriteFileMetaData

L_MarkersSupported