485 static int _cvJoinChains(pCvVoronoiChain pChain1, 
2576     pCvVoronoiChain pChain1, pChain2;  in _cvConstructExtVD()  local
2578     pChain1 = (pCvVoronoiChain)cvGetSeqElem(pVoronoiDiagram->ChainSeq,0);  in _cvConstructExtVD()
2581         pChain2 = pChain1->next_chain;  in _cvConstructExtVD()
2582         if(pChain2->next_chain==pChain1)  in _cvConstructExtVD()
2584             pSite_right = pChain1->first_site;  in _cvConstructExtVD()
2594         if(!_cvJoinChains(pChain1,pChain2,pVoronoiDiagram))  in _cvConstructExtVD()
2597         pChain1->last_site = pChain2->last_site;  in _cvConstructExtVD()
2598         pChain1->next_chain = pChain2->next_chain;  in _cvConstructExtVD()
2599         pChain1 = pChain1->next_chain;  in _cvConstructExtVD()
2600     }while(pChain1->next_chain != pChain1);  in _cvConstructExtVD()
2616 static int _cvJoinChains(pCvVoronoiChain pChain1,   in _cvJoinChains()  argument
2621     if(pChain1->first_site == NULL || pChain1->last_site == NULL ||   in _cvJoinChains()
2630     pCvVoronoiSite pSite_left = pChain1->last_site;  in _cvJoinChains()
2642     pCvVoronoiNode pNode_siteleft = pChain1->first_site->node1;  in _cvJoinChains()
3042     pCvVoronoiChain pChain1, pChain2;  in _cvConstructIntVD()  local
3052         pChain1 = (pCvVoronoiChain)cvGetSeqElem(pHole->ChainSeq,0);  in _cvConstructIntVD()
3055             pChain2 = pChain1->next_chain;  in _cvConstructIntVD()
3056             if(!_cvJoinChains(pChain1,pChain2,pVoronoiDiagram))  in _cvConstructIntVD()
3062             pChain1->last_site = pChain2->last_site;  in _cvConstructIntVD()
3063             pChain1->next_chain = pChain2->next_chain;  in _cvConstructIntVD()
3064             pChain1 = pChain1->next_chain;  in _cvConstructIntVD()