.\" 2006-05-19, Justin Pryzby <pryzbyj@justinpryzby.com>
.\" Document strchrnul(3).
.\"
-.TH STRCHR 3 2012-04-24 "GNU" "Linux Programmer's Manual"
+.TH STRCHR 3 2014-01-20 "GNU" "Linux Programmer's Manual"
.SH NAME
strchr, strrchr, strchrnul \- locate character in string
.SH SYNOPSIS
.SH VERSIONS
.BR strchrnul ()
first appeared in glibc in version 2.1.1.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR strchr (),
+.BR strrchr (),
+and
+.BR strchrnul ()
+functions are thread-safe.
.SH CONFORMING TO
.BR strchr ()
and