cvGraphRemoveEdge 1806 modules/core/include/opencv2/core/core_c.h CVAPI(void)  cvGraphRemoveEdge( CvGraph* graph, int start_idx, int end_idx );
cvGraphRemoveEdge 1747 modules/core/test/test_ds.cpp                  cvGraphRemoveEdge(graph, v_idx[0], v_idx[1] );