cvNextGraphItem  1882 modules/core/include/opencv2/core/core_c.h CVAPI(int)  cvNextGraphItem( CvGraphScanner* scanner );
cvNextGraphItem  1972 modules/core/test/test_ds.cpp                      code = cvNextGraphItem( scanner );
cvNextGraphItem  2069 modules/core/test/test_ds.cpp                         int code = cvNextGraphItem( scanner );