val equal : bytes -> bytes -> boolval compare_be : bytes -> bytes -> intval compare_be_with_len : len:int -> bytes -> bytes -> intval compare_le : bytes -> bytes -> intval compare_le_with_len : len:int -> bytes -> bytes -> intval find_uint8 : ?off:int -> f:(int -> bool) -> bytes -> intval exists_uint8 : ?off:int -> f:(int -> bool) -> bytes -> bool