CHANGE_BIT

Section: Basic C Library Functions (9)
Updated: February 2011
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NAME

change_bit - Toggle a bit in memory  

SYNOPSIS

void change_bit(int nr, volatile unsigned long * addr);
 

ARGUMENTS

nr

Bit to change

addr

Address to start counting from
 

DESCRIPTION

change_bit is atomic and may not be reordered. Note that nr may be almost arbitrarily large; this function is not restricted to acting on a single-word quantity.  

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