Bit Operations
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Chapter 2. Basic C Library Functions
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Bit Operations
set_bit
— Atomically set a bit in memory
__set_bit
— Set a bit in memory
clear_bit
— Clears a bit in memory
__change_bit
— Toggle a bit in memory
change_bit
— Toggle a bit in memory
test_and_set_bit
— Set a bit and return its old value
test_and_set_bit_lock
— Set a bit and return its old value for lock
__test_and_set_bit
— Set a bit and return its old value
test_and_clear_bit
— Clear a bit and return its old value
__test_and_clear_bit
— Clear a bit and return its old value
test_and_change_bit
— Change a bit and return its old value
test_bit
— Determine whether a bit is set
__ffs
— find first set bit in word
ffz
— find first zero bit in word
ffs
— find first set bit in word
fls
— find last set bit in word
fls64
— find last set bit in a 64-bit word