cvSetPreprocessFuncWin32_  238 modules/highgui/include/opencv2/highgui/highgui_c.h CVAPI(void) cvSetPreprocessFuncWin32_(const void* callback);
cvSetPreprocessFuncWin32_  240 modules/highgui/include/opencv2/highgui/highgui_c.h #define cvSetPreprocessFuncWin32(callback) cvSetPreprocessFuncWin32_((const void*)(callback))