/* File:      basicdefs.h
** Author(s): kifer
** Contact:   xsb-contact@cs.sunysb.edu
** 
** Copyright (C) The Research Foundation of SUNY, 1999
** 
** XSB is free software; you can redistribute it and/or modify it under the
** terms of the GNU Library General Public License as published by the Free
** Software Foundation; either version 2 of the License, or (at your option)
** any later version.
** 
** XSB 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 Library General Public License for
** more details.
** 
** You should have received a copy of the GNU Library General Public License
** along with XSB; if not, write to the Free Software Foundation,
** Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
**
** $Id: basicdefs.h,v 1.1 1999/12/10 07:47:23 kifer Exp $
** 
*/


#ifndef BASICDEFS_INCLUDED

#ifndef FALSE
#define FALSE  0
#endif
#ifndef TRUE
#define TRUE  (!FALSE)
#endif

#ifndef NO
#define NO  FALSE
#endif
#ifndef YES
#define YES  TRUE
#endif


#ifdef WIN_NT
#define SLASH '\\'
#else
#define SLASH '/'
#endif

#ifndef MAXPATHLEN
#define MAXPATHLEN   1024  /* SYSV */
#endif

#ifndef MAXNAME
#define MAXNAME   255  /* SYSV */
#endif

#ifndef MAXBUFSIZE
#define MAXBUFSIZE   1024  /* used when a large string buffer is needed */
#endif

#define MAX_IO_BUFSIZE  4096 /* 1 page */

#define K   1024  /* please make sure that K stays divisible by sizeof(Cell) */



#define XSB_STYLE_DCG  0    /* use XSB style DCG grammars */
#define STANDARD_DCG   1    /* use standard DCG grammars */


#ifndef max
#define max(p1,p2) ((p1)>=(p2)?(p1):(p2))
#endif
#ifndef min
#define min(p1,p2) ((p1)<=(p2)?(p1):(p2))
#endif

#define MOD %

#define IsNULL(ptr)      ( (ptr) == NULL )
#define IsNonNULL(ptr)   ( (ptr) != NULL )

#endif  /* BASICDEFS_INCLUDED */

#define BASICDEFS_INCLUDED