#ifndef _SYS_PARAM_H
#define _SYS_PARAM_H

#include <limits.h>

/* Linux-specific params */
#define HZ          100

/* BSD names for some <limits.h> values.  */

#define	NBBY		CHAR_BIT
#ifndef	NGROUPS
# define NGROUPS	NGROUPS_MAX
#endif
#define	MAXSYMLINKS	20
#define	CANBSIZ		MAX_CANON
#define	NCARGS		ARG_MAX
#define MAXNAMLEN	NAME_MAX
#define MAXPATHLEN	PATH_MAX
/* The following is not really correct but it is a value we used for a
   long time and which seems to be usable.  People should not use NOFILE
   anyway.  */
#define NOFILE		256


#include <sys/types.h>

/* Bit map related macros.  */
#define	setbit(a,i)	((a)[(i)/NBBY] |= 1<<((i)%NBBY))
#define	clrbit(a,i)	((a)[(i)/NBBY] &= ~(1<<((i)%NBBY)))
#define	isset(a,i)	((a)[(i)/NBBY] & (1<<((i)%NBBY)))
#define	isclr(a,i)	(((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0)

/* Macros for counting and rounding.  */
#ifndef howmany
# define howmany(x, y)	(((x)+((y)-1))/(y))
#endif
#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))
#define powerof2(x)	((((x)-1)&(x))==0)

/* Macros for min/max.  */
#define	MIN(a,b) (((a)<(b))?(a):(b))
#define	MAX(a,b) (((a)>(b))?(a):(b))


/* Unit of `st_blocks'.  */
#define DEV_BSIZE       512


#endif

