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CHANGE_BIT(9) Basic C Library Functions CHANGE_BIT(9)

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.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.