.\" Dinkumware C library reference http://www.dinkumware.com/
.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\"
-.TH WCSNLEN 3 2011-10-01 "GNU" "Linux Programmer's Manual"
+.TH WCSNLEN 3 2013-11-25 "GNU" "Linux Programmer's Manual"
.SH NAME
wcsnlen \- determine the length of a fixed-size wide-character string
.SH SYNOPSIS
.BR strnlen (3)
function.
It returns the number of wide-characters in the string pointed to by
-\fIs\fP, not including the terminating null wide character (L\(aq\\0\(aq),
+.IR s ,
+not including the terminating null wide character (L\(aq\\0\(aq),
but at most
-\fImaxlen\fP
+.I maxlen
wide characters (note: this parameter is not a byte count).
In doing this,
.BR wcsnlen ()
-looks at only the first \fImaxlen\fP
-wide characters at \fIs\fP and never beyond \fIs+maxlen\fP.
+looks at only the first
+.I maxlen
+wide characters at
+.I s
+and never beyond
+.IR s+maxlen .
.SH RETURN VALUE
The
.BR wcsnlen ()
-function returns \fIwcslen(s)\fP, if that is less than
-\fImaxlen\fP, or \fImaxlen\fP if there is no null wide character among the
-first \fImaxlen\fP wide characters pointed to by \fIs\fP.
+function returns
+.IR wcslen(s) ,
+if that is less than
+.IR maxlen ,
+or
+.I maxlen
+if there is no null wide character among the
+first
+.I maxlen
+wide characters pointed to by
+.IR s .
.SH VERSIONS
The
.BR wcsnlen ()
function is provided in glibc since version 2.1.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR wcsnlen ()
+function is thread-safe.
.SH CONFORMING TO
POSIX.1-2008.
.SH SEE ALSO
.BR strnlen (3),
.BR wcslen (3)
+.SH COLOPHON
+This page is part of release 3.79 of the Linux
+.I man-pages
+project.
+A description of the project,
+information about reporting bugs,
+and the latest version of this page,
+can be found at
+\%http://www.kernel.org/doc/man\-pages/.