CvChainPtReader   500 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(void) cvStartReadChainPoints( CvChain* chain, CvChainPtReader* reader );
CvChainPtReader   505 modules/imgproc/include/opencv2/imgproc/imgproc_c.h CVAPI(CvPoint) cvReadChainPoint( CvChainPtReader* reader );
CvChainPtReader    70 modules/imgproc/src/approx.cpp     CvChainPtReader reader;
CvChainPtReader    54 modules/imgproc/src/contours.cpp cvStartReadChainPoints( CvChain * chain, CvChainPtReader * reader )
CvChainPtReader    77 modules/imgproc/src/contours.cpp cvReadChainPoint( CvChainPtReader * reader )