(* SArgs.def provides a String interface to the command line arguments.

Copyright (C) 2001-2023 Free Software Foundation, Inc.
Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.

This file is part of GNU Modula-2.

GNU Modula-2 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.

GNU Modula-2 is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  *)

DEFINITION MODULE SArgs ;

FROM DynamicStrings IMPORT String ;
EXPORT QUALIFIED GetArg, Narg ;


(*
   GetArg - returns the nth argument from the command line.
            The success of the operation is returned.
            If TRUE is returned then the string, s, contains a
            new string, otherwise s is set to NIL.
*)

PROCEDURE GetArg (VAR s: String ; n: CARDINAL) : BOOLEAN ;


(*
   Narg - returns the number of arguments available from
          command line.
*)

PROCEDURE Narg() : CARDINAL ;


END SArgs.