{ GPC demo unit to show how to include Pascal code in C programs.

  Copyright (C) 2000-2004 Free Software Foundation, Inc.

  Author: Frank Heckenbach <frank@pascal.gnu.de>

  This pro-gram 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, version 2.

  This pro-gram 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.

  You should have received a copy of the GNU General Public License
  along with this pro-gram; see the file COPYING. If not, write to
  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  Boston, MA 02111-1307, USA.

  As a special exception, if you incorporate even large parts of the
  code of this demo pro-gram into another pro-gram with substantially
  different functionality, this does not cause the other pro-gram to
  be covered by the GNU General Public License. This exception does
  not however invalidate any other reasons why it might be covered
  by the GNU General Public License. }

unit GPC_C_U;

interface

var
  PascalUnitVariable: Integer = 42; attribute (name = 'pascal_unit_variable');

procedure PascalUnitRoutine; attribute (name = 'pascal_unit_routine');

implementation

procedure PascalUnitRoutine;
begin
  WriteLn ('Routine in Pascal unit called from C code.');
  WriteLn ('PascalUnitVariable is now ', PascalUnitVariable, '.');
  Flush (Output)
end;

to begin do
  begin
    WriteLn ('Initializer of Pascal unit called.');
    WriteLn ('PascalUnitVariable is now ', PascalUnitVariable, '.');
    Flush (Output)
  end;

to end do
  begin
    WriteLn ('Finalizer of Pascal unit called.');
    Flush (Output)
  end;

end.
