bitops(3) - NetBSD Manual Pages

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BITOPS(3)               NetBSD Library Functions Manual              BITOPS(3)


NAME

     bitops -- functions related to bits and integers


SYNOPSIS

     #include <sys/bitops.h>


DESCRIPTION

     The <sys/bitops.h> header provides macros and static inline functions
     related to bits and integers.  Among these are:

           bitmap(3)         bitmap manipulation macros

           fast_divide32(3)  a function for fast 32-bit division

           ffs32(3)          functions to find the first and last set bit in
                             integers of type uint32_t and uint64_t

           ilog2(3)          a macro for binary logarithm


SEE ALSO

     bits(3), bitstring(3), cdefs(3), param(3)


HISTORY

     The <sys/bitops.h> header first appeared in NetBSD 4.0.

NetBSD 10.1                    December 4, 2012                    NetBSD 10.1