test_bit(9) centos man page | unix.com

TEST_BIT(9)						     Basic C Library Functions						       TEST_BIT(9)

NAME
       test_bit - Determine whether a bit is set

SYNOPSIS
       int test_bit(int nr, const volatile unsigned long * addr);

ARGUMENTS
       nr
	   bit number to test

       addr
	   Address to start counting from

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							       TEST_BIT(9)