# Structure OS

Identifier index | Structure index
--- | ---

    (* OS -- SML Basis Library *)

    signature OS = sig

    type syserror = syserror

    exception SysErr of string * syserror option

    val errorMsg      : syserror -> string

    structure FileSys : FileSys
    structure Path    : Path
    structure Process : Process

    end

    (*  Various functions for interacting with the operating system.

       [errorMsg err] returns a string explaining the error message system
       error code err, as found in a SysErr exception.  The precise form
       of the string depends on the operating system.
    *)

Identifier index | Structure index
--- | ---

Moscow ML 2.10