| BITOPS(3) | Library Functions Manual | BITOPS(3) | 
NAME
 bitops — functions related to bits and integers
DESCRIPTION
 The 
<sys/bitops.h> header includes some 
static inline functions related bits and integers. Among these are:
- 
ffs32(3)
- 
functions to find the first and last bit in integers of type uint32_t and uint64_t
- 
ilog2(3)
- 
a macro for binary logarithm
- 
fast_divide32(3)
- 
a function for fast 32-bit division
 
HISTORY
 The 
<sys/bitops.h> header first appeared in 
NetBSD 4.0.