(* Library module defined by the International Standard
   Information technology - programming languages
   BS ISO/IEC 10514-1:1996E Part 1: Modula-2, Base Language.

   Copyright ISO/IEC (International Organization for Standardization
   and International Electrotechnical Commission) 1996-2021.

   It may be freely copied for the purpose of implementation (see page
   707 of the Information technology - Programming languages Part 1:
   Modula-2, Base Language.  BS ISO/IEC 10514-1:1996).  *)

DEFINITION MODULE RawIO;

  (* Reading and writing data over specified channels using raw
     operations, that is, with no conversion or interpretation.
     The read result is of the type IOConsts.ReadResults.
  *)

IMPORT IOChan, SYSTEM;

PROCEDURE Read (cid: IOChan.ChanId; VAR to: ARRAY OF SYSTEM.LOC);
  (* Reads storage units from cid, and assigns them to
     successive components of to. The read result is set
     to the value allRight, wrongFormat, or endOfInput.
  *)

PROCEDURE Write (cid: IOChan.ChanId; from: ARRAY OF SYSTEM.LOC);
  (* Writes storage units to cid from successive components
     of from. *)

END RawIO.