do_checksum        37 ext/zlib/zlib.c static VALUE do_checksum(int, VALUE*, uLong (*)(uLong, const Bytef*, uInt));
do_checksum       317 ext/zlib/zlib.c     return do_checksum(argc, argv, adler32);
do_checksum       332 ext/zlib/zlib.c     return do_checksum(argc, argv, crc32);