jpeg_set_marker_processor  461 djpeg.c          jpeg_set_marker_processor(&cinfo, JPEG_COM, print_text_marker);
jpeg_set_marker_processor  462 djpeg.c          jpeg_set_marker_processor(&cinfo, JPEG_APP0+12, print_text_marker);
jpeg_set_marker_processor 1066 jpeglib.h      EXTERN(void) jpeg_set_marker_processor