39     SSVertex(Vertex* v) : fVertex(v), fPrev(nullptr), fNext(nullptr) {}  in SSVertex()
41     SSEdge* fPrev;  member
47       : fEdge(edge), fEvent(nullptr), fPrev(prev), fNext(next) {  in SSEdge()
51     SSVertex* fPrev;  member
65     Vertex* prev = e->fPrev->fVertex;  in makeEvent()
112             if ((inner->fPrev || inner->fNext) && (outer->fPrev || outer->fNext)) {  in connectPartners()
128                 edge->fPrev->fVertex->fID,  in dump_skel()
250     Vertex* prev = fEdge->fPrev->fVertex;  in apply()
252     SSEdge* prevEdge = fEdge->fPrev->fPrev;  in apply()
268     prevEdge->fNext = nextEdge->fPrev = ssv;  in apply()
269     ssv->fPrev = prevEdge;  in apply()
280     if (prevEdge->fPrev == nextEdge->fNext) {  in apply()
281         triangulator->connectSSEdge(prevEdge->fPrev->fVertex, dest, c);  in apply()
290             triangulator->makeEvent(prevEdge, prevEdge->fPrev->fVertex, nextEdge, dest, events, c);  in apply()
353                 ssPrev->fNext = ssNext->fPrev = ssEdge;  in collapseOverlapRegions()
392             this->makeConnectingEdge(edge->fPrev->fVertex, edge->fNext->fVertex, e->fType, c, 0);  in collapseOverlapRegions()