DO1                19 3rdparty/zlib/adler32.c #define DO2(buf,i)  DO1(buf,i); DO1(buf,i+1);
DO1               201 3rdparty/zlib/crc32.c #define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
DO1               233 3rdparty/zlib/crc32.c         DO1;