diff options
| author | Eitan Adler <eadler@FreeBSD.org> | 2012-10-04 01:33:48 +0000 |
|---|---|---|
| committer | Eitan Adler <eadler@FreeBSD.org> | 2012-10-04 01:33:48 +0000 |
| commit | 4539a96a9491234a8f616a36ef9def9a8f33d714 (patch) | |
| tree | 82769419db0fef5c09204544741e3399ce36d0a3 | |
| parent | b390121ade29ede90cbddcc61169af3234678135 (diff) | |
Notes
| -rw-r--r-- | lib/libc/string/ffs.3 | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/lib/libc/string/ffs.3 b/lib/libc/string/ffs.3 index bf6f5f5889a9..d8e11d80e406 100644 --- a/lib/libc/string/ffs.3 +++ b/lib/libc/string/ffs.3 @@ -30,7 +30,7 @@ .\" @(#)ffs.3 8.2 (Berkeley) 4/19/94 .\" $FreeBSD$ .\" -.Dd May 3, 2011 +.Dd September 29, 2012 .Dt FFS 3 .Os .Sh NAME @@ -63,8 +63,7 @@ The .Fn ffsl and .Fn ffsll -functions find the first bit set -(beginning with the least significant bit) +functions find the first (least significant) bit set in .Fa value and return the index of that bit. @@ -74,11 +73,11 @@ The .Fn flsl and .Fn flsll -functions find the last bit set in +functions find the last (most significant) bit set in .Fa value and return the index of that bit. .Pp -Bits are numbered starting at 1 (the least significant bit). +Bits are numbered starting at 1, the least significant bit. A return value of zero from any of these functions means that the argument was zero. .Sh SEE ALSO |