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1 perry 1 FFS
2 !!!FFS
3 NAME
4 SYNOPSIS
5 DESCRIPTION
6 RETURN VALUE
7 CONFORMING TO
8 ----
9 !!NAME
10
11
12 ffs - find first bit set in a word
13 !!SYNOPSIS
14
15
16 __#include
17 __ ''i''__);
18 __
19 !!DESCRIPTION
20
21
22 The __ffs()__ function returns the position of the first
23 bit set in the word ''i''. The least significant bit is
24 position 1 and the most significant position
25 32.
26 !!RETURN VALUE
27
28
29 The __ffs()__ function returns the position of the first
30 bit set, or 0 if no bits are set.
31 !!CONFORMING TO
32
33
34 BSD 4.3, SUSv2
35
36
37 According to SUSv2, this function is defined in
38 ----
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