/* $Id: const.h,v 1.1 1992/09/06 19:31:32 mike Exp $ */

/* $Log: const.h,v $
 * Revision 1.1  1992/09/06  19:31:32  mike
 * Initial revision
 *
 */

/* const.h : constants, typedefs and macros that I use
 * C Durland	Public Domain
 */

#ifndef __CONST_H_INCLUDED
#define __CONST_H_INCLUDED

	/* ***************************************************** */
	/* ************ Constants ****************************** */
	/* ***************************************************** */

#ifndef TRUE
#define TRUE  1
#define FALSE 0
#endif

#ifndef NULL
#define NULL 0
#endif

	/* ***************************************************** */
	/* ************ Typedefs ******************************* */
	/* ***************************************************** */

typedef int  (*pfi)();		/* pointer to function returning int */
typedef void (*pfv)();		/* pointer to function returning void */

	/* ***************************************************** */
	/* ************ Macros ********************************* */
	/* ***************************************************** */

	/* size of static array */
#define NITEMS(array) (sizeof(array)/sizeof(array[0]))

	/* increment a type (usually pointer) by n bytes */
#define INC_TYPE(type,ptr,n) (type)((char *)ptr +n)

#endif	/* __CONST_H_INCLUDED */