PNG_FREE_SPLT     422 3rdparty/libpng/png.c    if ((mask & PNG_FREE_SPLT) & info_ptr->free_me)
PNG_FREE_SPLT     441 3rdparty/libpng/png.c                png_free_data(png_ptr, info_ptr, PNG_FREE_SPLT, i);
PNG_FREE_SPLT    1021 3rdparty/libpng/pngset.c    info_ptr->free_me |= PNG_FREE_SPLT;