DEFINITION MODULE InOut;
(* Classic PIM terminal/file I/O (gm2-compatible interface).  Output
   and input go to the current output/input file, which OpenOutput and
   OpenInput redirect; Done reports whether a file operation succeeded.
   ReadS/WriteS (the DynamicStrings variants) are not provided here. *)

CONST
  EOL = CHR(10);

VAR
  Done   : BOOLEAN;
  termCH : CHAR;

PROCEDURE OpenInput (defext : ARRAY OF CHAR);
(* Reads a file name from standard input and opens it for reading;
   Done is set on success. *)
PROCEDURE CloseInput;
PROCEDURE OpenOutput (defext : ARRAY OF CHAR);
PROCEDURE CloseOutput;

PROCEDURE Read (VAR ch : CHAR);
PROCEDURE ReadString (VAR s : ARRAY OF CHAR);
PROCEDURE ReadInt (VAR x : INTEGER);
PROCEDURE ReadCard (VAR x : CARDINAL);

PROCEDURE Write (ch : CHAR);
PROCEDURE WriteLn;
PROCEDURE WriteString (s : ARRAY OF CHAR);
PROCEDURE WriteInt (x : INTEGER; n : CARDINAL);
PROCEDURE WriteCard (x : CARDINAL; n : CARDINAL);
PROCEDURE WriteOct (x : CARDINAL; n : CARDINAL);
PROCEDURE WriteHex (x : CARDINAL; n : CARDINAL);

END InOut.