cvCreateSeqBlock 1725 modules/core/include/opencv2/core/core_c.h CVAPI(void)  cvCreateSeqBlock( CvSeqWriter* writer );
cvCreateSeqBlock 1564 modules/core/include/opencv2/core/types_c.h         cvCreateSeqBlock( &writer);                   \
cvCreateSeqBlock 1575 modules/core/include/opencv2/core/types_c.h         cvCreateSeqBlock( &writer);                   \