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Structure OS
(* 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. *)
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