.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\" ISO/IEC 9899:1999
.\"
-.TH ISWCNTRL 3 1999-07-25 "GNU" "Linux Programmer's Manual"
+.TH ISWCNTRL 3 2014-02-10 "GNU" "Linux Programmer's Manual"
.SH NAME
iswcntrl \- test for control wide character
.SH SYNOPSIS
is a
wide character belonging to the wide-character class "cntrl".
Otherwise it returns zero.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR iswcntrl ()
+function is thread-safe with exceptions.
+It can be safely used in multithreaded applications, as long as
+.BR setlocale (3)
+is not called to change the locale during its execution.
.SH CONFORMING TO
C99.
.SH NOTES