DO_16BIT          362 contrib/libtests/pngvalid.c #ifndef DO_16BIT
DO_16BIT          399 contrib/libtests/pngvalid.c #ifdef DO_16BIT
DO_16BIT         9158 contrib/libtests/pngvalid.c #ifdef DO_16BIT
DO_16BIT         9506 contrib/libtests/pngvalid.c #ifdef DO_16BIT /* Should be READ_16BIT_SUPPORTED */