TEST_BIT(9) Basic C Library Functions TEST_BIT(9)NAMEtest_bit - Determine whether a bit is setSYNOPSISint test_bit(int nr, const volatile unsigned long * addr);ARGUMENTSnr bit number to test addr Address to start counting fromCOPYRIGHTKernel Hackers Manual 2.6. July 2010 TEST_BIT(9)