public static extern MdlLoopStruct *MdlLoopNew(MdlTrimSegRefStruct *MdlTrimSegRefList);
public static extern int MdlDebugHandleTSrfRefCrvs(MdlTrimSegRefStruct *Refs, MdlTrimSrfStruct *TSrf, IrtPtType *Trans, int Loop, int Display, int TrimEndPts);
public static extern MdlTrimSegRefStruct *MdlTrimSegRefCopyList(MdlTrimSegRefStruct *SegRefList, MdlTrimSegStruct *TrimSegList);
public static extern int MdlDbgRC(MdlTrimSegRefStruct *Refs, int Format);
public static extern int MdlDbgRC2(MdlTrimSegRefStruct *Refs, MdlTrimSrfStruct *TSrf, int Format);
public static extern void MdlTrimSegRefFreeList(MdlTrimSegRefStruct *MTSegRefList);
public static extern void MdlTrimSegRefFree(MdlTrimSegRefStruct *MTSegRef);
public static extern IntPtr MdlGetLoopSegIndex(MdlTrimSegRefStruct *TrimSeg, MdlTrimSegStruct *TrimSegList);
public static extern MdlTrimSegRefStruct *MdlGetOtherSegRef2(MdlTrimSegRefStruct *SegRef, MdlTrimSrfStruct *TSrf, MdlTrimSrfStruct **OtherTSrf, MdlLoopStruct **OtherLoop);
public static extern MdlTrimSegRefStruct *MdlGetOtherSegRef(MdlTrimSegRefStruct *SegRef, MdlTrimSrfStruct *TSrf);