FFS(3) - manual page | Library functions

Find first bit set in a word.

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ffs(3)	referred by	BIT_AND(9freebsd) \| BIT_AND_ATOMIC(9freebsd) \| BIT_CLR(9freebsd) \| BIT_CLR_ATOMIC(9freebsd) \| BIT_CMP(9freebsd) \| BIT_COPY(9freebsd) \| BIT_COPY_STORE_REL(9freebsd) \| BIT_COUNT(9freebsd) \| BIT_EMPTY(9freebsd) \| BIT_FFS(9freebsd) \| BIT_FILL(9freebsd) \| BIT_ISFULLSET(9freebsd) \| BIT_ISSET(9freebsd) \| BIT_NAND(9freebsd) \| BIT_OR(9freebsd) \| BIT_OR_ATOMIC(9freebsd) \| BIT_OVERLAP(9freebsd) \| BIT_SET(9freebsd) \| BIT_SET_ATOMIC(9freebsd) \| BIT_SET_ATOMIC_ACQ(9freebsd)
ffs(3)	refer to	attributes(7) \| feature_test_macros(7) \| memchr(3)