161 	int			nEdgNum;			// Number of edges in the block  member
668 	nEdgNum = pSrc->nEdgNum;  in Copy()
672 	memcpy(psEdgeDelta, pSrc->psEdgeDelta, nEdgNum * sizeof(*psEdgeDelta));  in Copy()
684 	nEdgNum = 0;  in Clear()
783 	return !(nVtxNum + nEdgNum + nTriNum);  in IsEmpty()
853 	for(i = 0; i < nEdgNum; ++i) {  in AddEdgeCheckDup()
860 	_ASSERT(nEdgNum < 3*m_nTriLimit);  in AddEdgeCheckDup()
861 	psEdgeDelta[nEdgNum].pEdg		= pEdg;  in AddEdgeCheckDup()
862 	psEdgeDelta[nEdgNum].nRefCnt	= 1;  in AddEdgeCheckDup()
863 	++nEdgNum;  in AddEdgeCheckDup()
921 	for(i = 0; i < nEdgNum; ++i) {  in GetClosedEdgeDelta()