DESCRIPTION
The
<sys/bitops.h> header includes macros and
static inline functions related bits and integers. Among these are:
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bitmap(3)
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bitmap manipulation macros
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ffs32(3)
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functions to find the first and last bit in integers of type uint32_t and uint64_t
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ilog2(3)
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a macro for binary logarithm
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fast_divide32(3)
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a function for fast 32-bit division