.\"
.\" Modified 2003 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
.\"
-.TH FFS 3 2010-09-20 "GNU" "Linux Programmer's Manual"
+.TH FFS 3 2014-04-14 "GNU" "Linux Programmer's Manual"
.SH NAME
ffs, ffsl, ffsll \- find first bit set in a word
.SH SYNOPSIS
These functions return the position of the first bit set,
or 0 if no bits are set in
.IR i .
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR ffs (),
+.BR ffsl (),
+and
+.BR ffsll ()
+functions are thread-safe.
.SH CONFORMING TO
.BR ffs ():
4.3BSD, POSIX.1-2001.
.SH SEE ALSO
.BR memchr (3)
.SH COLOPHON
-This page is part of release 3.64 of the Linux
+This page is part of release 3.65 of the Linux
.I man-pages
project.
A description of the project,