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ffs.c
(revision 4a55cc230cf7566cadcbb23b1928eefff8aea9a2)
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1
#
include
"
atomic.h
"
2
3
int
ffs
(
int
i
);
4
int
ffs
(
int
i
)
5
{
6
return
i
?
a_ctz_l
(
i
)
+1
: 0;
7
}
8