PNG_FREE_TEXT     340 3rdparty/libpng/png.c    if ((mask & PNG_FREE_TEXT) & info_ptr->free_me)
PNG_FREE_TEXT     355 3rdparty/libpng/png.c              png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, i);
PNG_FREE_TEXT     976 3rdparty/libpng/pngread.c       png_free_data(png_ptr, info_ptr, PNG_FREE_TEXT, -1);
PNG_FREE_TEXT     991 3rdparty/libpng/pngread.c       png_free_data(png_ptr, end_info_ptr, PNG_FREE_TEXT, -1);
PNG_FREE_TEXT     734 3rdparty/libpng/pngset.c          info_ptr->free_me |= PNG_FREE_TEXT;