val create : int -> bufCreate a new empty buffer.
val clear : buf -> unitclear buffer clear the contents of buffer.
val reset : buf -> unitreset buffer resets buffer to its initial state.
val length : buf -> intlength buffer returns the length of the contents in buffer
val add_zChar : buf -> Zed_char.t -> unitadd buffer zChar add zChar at the end of buffer.
val add_uChar : buf -> CamomileLibrary.UChar.t -> unitadd buffer uChar add uChar at the end of buffer.