bit_manip.h

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#pragma once
 
#define BIT_SET(var,pos) ((var) |= (1U<<(pos)))
 
#define BIT_CLEAR(var,pos) ((var) &= ~(1U<<(pos)))
 
#define BIT_CHECK(var,pos) !!((var) & (1U<<(pos)))
 
#define BIT_TOGGLE(var,pos) ((var)^= 1UL << (pos))
 
#define BIT_WRITE(var, pos, bitvalue) ((bitvalue) ? BIT_SET((var), (pos)) : BIT_CLEAR((var), (pos)))