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/* classes: h_files */
#ifndef _SCMH
#define _SCMH
/* Copyright (C) 1995,1996, 2000 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 "__scm.h"
/* "What's the difference between _scm.h and __scm.h?"
_scm.h is not installed; it's only visible to the libguile sources
themselves.
__scm.h is installed, and is #included by <libguile.h>. If both
the client and libguile need some piece of information, and it
doesn't fit well into the header file for any particular module, it
should go in __scm.h. */
/* Include headers for those files central to the implementation. The
rest should be explicitly #included in the C files themselves. */
#include "error.h" /* Everyone signals errors. */
#include "print.h" /* Everyone needs to print. */
#include "pairs.h" /* Everyone conses. */
#include "list.h" /* Everyone makes lists. */
#include "gc.h" /* Everyone allocates. */
#include "gsubr.h" /* Everyone defines global functions. */
#include "procs.h" /* Same. */
#include "numbers.h" /* Everyone deals with fixnums. */
#include "symbols.h" /* For length, chars, values, miscellany. */
#include "boolean.h" /* Everyone wonders about the truth. */
#ifdef USE_THREADS
#include "threads.h" /* The cooperative thread package does
switching at async ticks. */
#endif
#include "snarf.h" /* Everyone snarfs. */
/* On VMS, GNU C's errno.h contains a special hack to get link attributes
* for errno correct for linking to the C RTL.
*/
#include <errno.h>
/* SCM_SYSCALL retries system calls that have been interrupted (EINTR).
However this can be avoided if the operating system can restart
system calls automatically. We assume this is the case if
sigaction is available and SA_RESTART is defined; they will be used
when installing signal handlers.
*/
#ifdef HAVE_RESTARTABLE_SYSCALLS
#define SCM_SYSCALL(line) line
#endif
#ifndef SCM_SYSCALL
#ifdef vms
# ifndef __GNUC__
# include <ssdef.h>
# define SCM_SYSCALL(line) do{errno = 0;line;} \
while(EVMSERR==errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3))
# endif /* ndef __GNUC__ */
#endif /* def vms */
#endif /* ndef SCM_SYSCALL */
#ifndef SCM_SYSCALL
# ifdef EINTR
# if (EINTR > 0)
# define SCM_SYSCALL(line) do{errno = 0;line;}while(EINTR==errno)
# endif /* (EINTR > 0) */
# endif /* def EINTR */
#endif /* ndef SCM_SYSCALL */
#ifndef SCM_SYSCALL
# define SCM_SYSCALL(line) line;
#endif /* ndef SCM_SYSCALL */
#ifndef MSDOS
# ifdef ARM_ULIB
extern volatile int errno;
# else
extern int errno;
# endif /* def ARM_ULIB */
#endif /* ndef MSDOS */
#ifdef __TURBOC__
# if (__TURBOC__==1)
/* Needed for TURBOC V1.0 */
extern int errno;
# endif /* (__TURBOC__==1) */
#endif /* def __TURBOC__ */
#ifndef min
#define min(A,B) ((A) <= (B) ? (A) : (B))
#endif
#ifndef max
#define max(A,B) ((A) >= (B) ? (A) : (B))
#endif
#endif /* _SCMH */
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