Manipulation Macros

Macros
#define	BIT(x)
#define	SETBIT(x, p)
#define	CLEARBIT(x, p)
#define	GETBIT(x, p)
#define	TOGGLEBIT(x, p)

Detailed Description

Simple macros for setting, clearing, and querying bits.

Macro Definition Documentation

BIT

#define BIT

(

x

)

Value:

(1 << (x))

CLEARBIT

#define CLEARBIT	(		x,
			p )

Value:

((x) & (~(1 << (p))))

GETBIT

#define GETBIT	(		x,
			p )

Value:

(((x) >> (p)) & 1)

SETBIT

#define SETBIT	(		x,
			p )

Value:

((x) | (1 << (p)))

TOGGLEBIT

#define TOGGLEBIT	(		x,
			p )

Value:

((x) ^ (1 << (p)))