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/* classes: h_files */
#ifndef GCH
#define GCH
/* Copyright (C) 1995,1996 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 software; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice.
*/
#include "__scm.h"
#define SCM_FREEP(x) (SCM_CAR(x)==scm_tc_free_cell)
#define SCM_NFREEP(x) (!SCM_FREEP(x))
extern struct scm_heap_seg_data *scm_heap_table;
extern int scm_n_heap_segs;
extern int scm_take_stdin;
extern int scm_block_gc;
extern int scm_gc_heap_lock;
extern long scm_heap_size;
extern SCM_CELLPTR scm_heap_org;
extern SCM scm_freelist;
extern unsigned long scm_gc_cells_collected;
extern unsigned long scm_gc_malloc_collected;
extern unsigned long scm_gc_ports_collected;
extern unsigned long scm_cells_allocated;
extern unsigned long scm_mallocated;
extern long scm_mtrigger;
#ifdef __STDC__
extern SCM scm_gc_stats (void);
extern void scm_gc_start (char *what);
extern void scm_gc_end (void);
extern SCM scm_gc (void);
extern void scm_gc_for_alloc (int ncells, SCM * freelistp);
extern SCM scm_gc_for_newcell (void);
extern void scm_igc (char *what);
extern void scm_gc_mark (SCM p);
extern void scm_mark_locations (SCM_STACKITEM x[], scm_sizet n);
extern void scm_gc_sweep (void);
extern char * scm_must_malloc (long len, char *what);
extern char * scm_must_realloc (char *where, long olen, long len, char *what);
extern void scm_must_free (char *obj);
extern void scm_remember (SCM * ptr);
extern SCM scm_return_first (SCM elt, ...);
extern SCM scm_permanent_object (SCM obj);
extern SCM scm_protect_object (SCM obj);
extern SCM scm_unprotect_object (SCM obj);
extern int scm_init_storage (long init_heap_size);
extern void scm_init_gc (void);
#else /* STDC */
extern SCM scm_gc_stats ();
extern void scm_gc_start ();
extern void scm_gc_end ();
extern SCM scm_gc ();
extern void scm_gc_for_alloc ();
extern SCM scm_gc_for_newcell ();
extern void scm_igc ();
extern void scm_gc_mark ();
extern void scm_mark_locations ();
extern void scm_gc_sweep ();
extern char * scm_must_malloc ();
extern char * scm_must_realloc ();
extern void scm_must_free ();
extern void scm_remember ();
extern SCM scm_return_first ();
extern SCM scm_permanent_object ();
extern SCM scm_protect_object ();
extern SCM scm_unprotect_object ();
extern int scm_init_storage ();
extern void scm_init_gc ();
#endif /* STDC */
#include "marksweep.h"
#endif /* GCH */
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