module Utf8

val width : int array

val next : string -> int -> int

val compute_len : string -> int -> int -> int

val blit_to_int : string -> int -> int array -> int -> int -> unit

val to_int_array : string -> int -> int -> int array

val store : Buffer.t -> int -> unit

val from_int_array : int array -> int -> int -> string

val from_stream : char Stream.t -> int

val stream_from_char_stream : char Stream.t -> int Stream.t