if the
.I name
is valid.
-Otherwise it returns
+Otherwise, it returns
.IR "(wctype_t) 0" .
.SH ATTRIBUTES
.SS Multithreading (see pthreads(7))
.SH SEE ALSO
.BR iswctype (3)
.SH COLOPHON
-This page is part of release 3.64 of the Linux
+This page is part of release 3.79 of the Linux
.I man-pages
project.
A description of the project,
-and information about reporting bugs,
+information about reporting bugs,
+and the latest version of this page,
can be found at
\%http://www.kernel.org/doc/man\-pages/.