576    png_structp    read_pp;  member
602    dp->read_pp = NULL;  in display_init()
615    if (dp->read_pp != NULL)  in display_clean_read()
616       png_destroy_read_struct(&dp->read_pp, &dp->read_ip, NULL);  in display_clean_read()
881    dp->read_pp = pp = png_create_read_struct(PNG_LIBPNG_VER_STRING, dp,  in read_png()
934    dp->original_pp = pp = dp->read_pp, dp->read_pp = NULL;  in update_display()
1003    png_get_IHDR(dp->read_pp, dp->read_ip, &width, &height, &bit_depth,  in compare_read()
1028          png_get_valid(dp->read_pp, dp->read_ip, 0xffffffff);  in compare_read()
1036    rowbytes = png_get_rowbytes(dp->read_pp, dp->read_ip);  in compare_read()
1049       png_bytepp rows = png_get_rows(dp->read_pp, dp->read_ip);  in compare_read()
1104          if (png_get_sBIT(dp->read_pp, dp->read_ip, &sBIT) != PNG_INFO_sBIT)  in compare_read()