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1994-05-19
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41 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S Y S T E M . E N V I R O N M E N T --
-- --
-- S p e c --
-- --
-- $Revision: 1.8 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
-- This package contains functions to access arguments on the command line
package System.Environment is
type Arg_Ptr is access String;
function Arg_Count return Positive;
pragma Interface (C, Arg_Count);
-- Return the number of arg in the command line (equivalent to argc in C)
-- Note in particular that the count is one more than might be expected,
-- since it includes Arg_Value (0) which is the command name.
function Arg_Value (Arg_Num : Natural) return Arg_Ptr;
-- Return the desired arg. from the command line (0 is the command name)
end System.Environment;