Initialization of libguile and libmu_scm

+/* GNU mailutils - a suite of utilities for electronic mail
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
+
+   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, 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., 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "guimb.h"
+#include <mu_scm.h>
+
+static void _scheme_main ();
+
+void
+run_main (int argc, char *argv[])
+{
+  /* Finish creating input mailbox */
+  collect_create_mailbox ();
+  scm_boot_guile (argc, argv, _scheme_main, NULL);
+}
+
+SCM _current_mailbox;
+
+void
+_scheme_main ()
+{
+  SCM *scm_loc;
+
+  if (debug_guile)
+    {
+      SCM_DEVAL_P = 1;
+      SCM_BACKTRACE_P = 1;
+      SCM_RECORD_POSITIONS_P = 1;
+      SCM_RESET_DEBUG_MODE;
+    }
+
+  /* Initialize scheme library */
+  mu_scm_init ();
+
+  /* Provide basic primitives */
+#include <run_scm.x>
+
+  _current_mailbox = mu_scm_mailbox_create (mbox);
+  scm_loc = SCM_CDRLOC (scm_sysintern ("current-mailbox", SCM_EOL));
+  *scm_loc = _current_mailbox;
+
+  if (program_file)
+    scm_primitive_load (scm_makfrom0str (program_file));
+
+  if (program_expr)
+    scm_eval_0str (program_expr);
+
+  collect_drop_mailbox ();
+
+}