ack/lang/m2/libm2/Termcap.def
1988-11-23 10:59:09 +00:00

46 lines
1.4 KiB
Modula-2

(*
(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
See the copyright notice in the ACK home directory, in the file "Copyright".
*)
(*
Module: Interface to termcap database
From: Unix manual chapter 3
Version: $Header$
*)
(*
Use this like the C-version. In this Modula-2 version, some of the buffers,
that are explicit in the C-version, are hidden. These buffers are initialized
by a call to Tgetent. The "ARRAY OF CHAR" parameters must be null-terminated.
You can call them with a constant string argument, as these are always
null-terminated in our Modula-2 implementation. Also, the strings returned
by these routines are null-terminated.
*)
DEFINITION MODULE Termcap;
TYPE STR = ARRAY[1..32] OF CHAR;
PTSTR = POINTER TO STR;
PUTPROC = PROCEDURE(CHAR);
VAR UP, BC: PTSTR; (* must be null-terminated *)
ospeed: INTEGER; (* see termcap(3), tty(4) *)
PC: CHAR; (* is initially 0C *)
PROCEDURE Tgetent(name: ARRAY OF CHAR) : INTEGER;
PROCEDURE Tgetnum(id: ARRAY OF CHAR): INTEGER;
PROCEDURE Tgetflag(id: ARRAY OF CHAR): BOOLEAN;
PROCEDURE Tgoto(cm: PTSTR; col, line: INTEGER): PTSTR;
(* Result exists until next call to Tgoto *)
PROCEDURE Tgetstr(id: ARRAY OF CHAR): PTSTR;
(* Result exists until next call to Tgetent *)
PROCEDURE Tputs(cp: PTSTR; affcnt: INTEGER; p: PUTPROC);
END Termcap.