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/* classes: h_files */
#ifndef GCH
#define GCH
/* Copyright (C) 1995, 1996, 1998 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, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 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 "libguile/__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 unsigned 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 unsigned long scm_mtrigger;
#ifdef DEBUG_FREELIST
extern void scm_debug_newcell SCM_P ((SCM *into));
#endif
extern SCM scm_object_addr SCM_P ((SCM obj));
extern SCM scm_unhash_name SCM_P ((SCM name));
extern SCM scm_gc_stats SCM_P ((void));
extern void scm_gc_start SCM_P ((char *what));
extern void scm_gc_end SCM_P ((void));
extern SCM scm_gc SCM_P ((void));
extern void scm_gc_for_alloc SCM_P ((int ncells, SCM * freelistp));
extern SCM scm_gc_for_newcell SCM_P ((void));
extern void scm_igc SCM_P ((char *what));
extern void scm_gc_mark SCM_P ((SCM p));
extern void scm_mark_locations SCM_P ((SCM_STACKITEM x[], scm_sizet n));
extern int scm_cellp SCM_P ((SCM value));
extern void scm_gc_sweep SCM_P ((void));
extern char * scm_must_malloc SCM_P ((scm_sizet len, char *what));
extern char * scm_must_realloc SCM_P ((char *where,
scm_sizet olen, scm_sizet len,
char *what));
extern void scm_done_malloc SCM_P ((long size));
extern void scm_must_free SCM_P ((char *obj));
extern void scm_remember SCM_P ((SCM * ptr));
extern SCM scm_return_first SCM_P ((SCM elt, ...));
extern SCM scm_permanent_object SCM_P ((SCM obj));
extern SCM scm_protect_object SCM_P ((SCM obj));
extern SCM scm_unprotect_object SCM_P ((SCM obj));
extern int scm_init_storage SCM_P ((scm_sizet init_heap_size));
extern void scm_init_gc SCM_P ((void));
#endif /* GCH */
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