PNG_FREE_PLTE     606 png.c             if ((mask & PNG_FREE_PLTE) & info_ptr->free_me)
PNG_FREE_PLTE     933 pngread.c         if (png_ptr->free_me & PNG_FREE_PLTE)
PNG_FREE_PLTE     935 pngread.c         png_ptr->free_me &= ~PNG_FREE_PLTE;
PNG_FREE_PLTE     541 pngset.c          png_free_data(png_ptr, info_ptr, PNG_FREE_PLTE, 0);
PNG_FREE_PLTE     555 pngset.c          info_ptr->free_me |= PNG_FREE_PLTE;