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+/* classes: h_files */
+
+#ifndef _SCMH
+#define _SCMH
+/* 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 "libguile.h"
+
+/* 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) */
+#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 */
+
+#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 SCM_MAGIC_SNARFER
+#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
+ static char RANAME[]=STR;
+#define SCM_PROC1(RANAME, STR, TYPE, CFN) \
+ static char RANAME[]=STR;
+#else
+#define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \
+%%% scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN)
+#define SCM_PROC1(RANAME, STR, TYPE, CFN) \
+%%% scm_make_subr(RANAME, TYPE, CFN)
+#endif
+
+#ifndef SCM_MAGIC_SNARFER
+#define SCM_SYMBOL(c_name, scheme_name) \
+ static SCM c_name = SCM_BOOL_F
+#else
+#define SCM_SYMBOL(C_NAME, SCHEME_NAME) \
+%%% C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME)))
+#endif
+
+
+#ifndef SCM_MAGIC_SNARFER
+#define SCM_GLOBAL(c_name, scheme_name) \
+ static SCM c_name = SCM_BOOL_F
+#else
+#define SCM_GLOBAL(C_NAME, SCHEME_NAME) \
+%%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F)
+#endif
+
+
+#ifndef SCM_MAGIC_SNARFER
+#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
+ static SCM C_NAME = SCM_BOOL_F
+#else
+#define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \
+%%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE))
+#endif
+
+#endif /* _SCMH */
+