readpng2_info_callback   67 contrib/gregbook/readpng2.c static void readpng2_info_callback(png_structp png_ptr, png_infop info_ptr);
readpng2_info_callback  165 contrib/gregbook/readpng2.c       readpng2_info_callback, readpng2_row_callback, readpng2_end_callback);