(* Alex Dickinson                                                         *)
(* Definitions for some unix ioctl calls. These external procedures       *)
(* refer to the C functions contained in unixio.c.                        *)

PROCEDURE savetty;                 EXTERNAL;
PROCEDURE restoretty;              EXTERNAL;
PROCEDURE singlecharon;            EXTERNAL;
PROCEDURE singlecharoff;           EXTERNAL;
PROCEDURE echoon;                  EXTERNAL;
PROCEDURE echooff;                 EXTERNAL;
FUNCTION  buffercount : integer;   EXTERNAL;
PROCEDURE suspend;                 EXTERNAL;
