cvStartFindContours 1679 modules/calib3d/src/calibinit.cpp     scanner = cvStartFindContours( image, temp_storage, sizeof(CvContourEx),
cvStartFindContours  446 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(CvContourScanner)  cvStartFindContours( CvArr* image, CvMemStorage* storage,
cvStartFindContours 1683 modules/imgproc/src/contours.cpp             scanner = cvStartFindContours( img, storage, cntHeaderSize, mode, method, offset );