PNG_FLAG_LIBRARY_MISMATCH  175 png.c                      png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
PNG_FLAG_LIBRARY_MISMATCH  180 png.c                png_ptr->flags |= PNG_FLAG_LIBRARY_MISMATCH;
PNG_FLAG_LIBRARY_MISMATCH  182 png.c             if (png_ptr->flags & PNG_FLAG_LIBRARY_MISMATCH)