New Empire table game, to be used for global stuff:

(gamestr, EF_GAME, game_ca): New.
(empfile): Declare the table.
(ef_open_srv, ef_close_srv): Open and close it.
(main): Create it.
(empobj_storage): New member game.

(EF_DYNMAX): New.
(EF_IS_GAME_STATE): Use it.

include/game.h

@@ -0,0 +1,46 @@
+/*
+ *  Empire - A multi-player, client/server Internet based war game.
+ *  Copyright (C) 1986-2007, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ *                           Ken Stevens, Steve McClure
+ *
+ *  This program 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 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program 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 program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ *  ---
+ *
+ *  See files README, COPYING and CREDITS in the root of the source
+ *  tree for related information and legal notices.  It is expected
+ *  that future projects/authors will amend these files as needed.
+ *
+ *  ---
+ *
+ *  game.h: The game file
+ * 
+ *  Known contributors to this file:
+ *       Markus Armbruster, 2007
+ */
+
+#ifndef GAME_H
+#define GAME_H
+
+struct gamestr {
+    /* initial part must match struct empobj */
+    short ef_type;
+    /* end of part matching struct empobj */
+};
+
+#define putgame() ef_write(EF_GAME, 0, ef_ptr(EF_GAME, 0))
+#define getgamep() ((struct gamestr *)ef_ptr(EF_GAME, 0))
+
+#endif