diff options
Diffstat (limited to 'lib/libc/string/ffs.3')
| -rw-r--r-- | lib/libc/string/ffs.3 | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/lib/libc/string/ffs.3 b/lib/libc/string/ffs.3 index 55daae44f4b5..e66d7eb1e5f3 100644 --- a/lib/libc/string/ffs.3 +++ b/lib/libc/string/ffs.3 @@ -30,14 +30,16 @@ .\" @(#)ffs.3 8.2 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd October 12, 2006 +.Dd October 26, 2008 .Dt FFS 3 .Os .Sh NAME .Nm ffs , .Nm ffsl , +.Nm ffsll , .Nm fls , -.Nm flsl +.Nm flsl , +.Nm flsll .Nd find first or last bit set in a bit string .Sh LIBRARY .Lb libc @@ -48,14 +50,19 @@ .Ft int .Fn ffsl "long value" .Ft int +.Ft int +.Fn ffsll "long long value" .Fn fls "int value" .Ft int .Fn flsl "long value" +.Ft int +.Fn flsll "long long value" .Sh DESCRIPTION The -.Fn ffs -and +.Fn ffs , .Fn ffsl +and +.Fn ffsll functions find the first bit set (beginning with the least significant bit) in @@ -63,9 +70,10 @@ in and return the index of that bit. .Pp The -.Fn fls -and +.Fn fls , .Fn flsl +and +.Fn flsll functions find the last bit set in .Fa value and return the index of that bit. @@ -95,3 +103,9 @@ and .Fn flsl functions appeared in .Fx 5.3 . +The +.Fn ffsll +and +.Fn flsll +functions appeared in +.Fx 8.0 . |