CHOP             1459 3rdparty/libpng/pngrtran.c #     define CHOP(x) (x)=((png_uint_16)(((png_uint_32)(x)*255+32895) >> 16))
CHOP             1464 3rdparty/libpng/pngrtran.c #     undef CHOP
CHOP               29 3rdparty/zlib/adler32.c #  define CHOP(a) \