Module Alsa

val get_version : unit -> string
exception Buffer_xrun
exception Bad_state
exception Suspended
exception IO_error
exception Device_busy
exception Invalid_argument
exception Device_removed
exception Interrupted
exception Unknown_error of int
type direction =
| Dir_down
| Dir_eq
| Dir_up
val string_of_error : exn -> string
val no_stderr_report : unit -> unit
module Pcm : sig ... end