signal.7: Note async-signal-safe functions added by POSIX.1-2008 TC1

[thirdparty/man-pages.git] / man3 / iswupper.3

diff --git a/man3/iswupper.3 b/man3/iswupper.3
index b991a244a28449a1b0c8fabe37b8e2f5ee1e700e..e23b3543eaf8af1069c436a1b7f583dc0931ee0d 100644 (file)
--- a/man3/iswupper.3
+++ b/man3/iswupper.3
@@ -1,17 +1,19 @@
 .\" Copyright (c) Bruno Haible <haible@clisp.cons.org>
 .\"
+.\" %%%LICENSE_START(GPLv2+_DOC_ONEPARA)
 .\" This is free documentation; you can redistribute it and/or
 .\" modify it under the terms of the GNU General Public License as
 .\" published by the Free Software Foundation; either version 2 of
 .\" the License, or (at your option) any later version.
+.\" %%%LICENSE_END
 .\"
 .\" References consulted:
 .\"   GNU glibc-2 source code and manual
 .\"   Dinkumware C library reference http://www.dinkumware.com/
-.\"   OpenGroup's Single Unix specification http://www.UNIX-systems.org/online.html
+.\"   OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
 .\"   ISO/IEC 9899:1999
 .\"
-.TH ISWUPPER 3  1999-07-25 "GNU" "Linux Programmer's Manual"
+.TH ISWUPPER 3  2015-08-08 "GNU" "Linux Programmer's Manual"
 .SH NAME
 iswupper \- test for uppercase wide character
 .SH SYNOPSIS
@@ -26,7 +28,9 @@ The
 function is the wide-character equivalent of the
 .BR isupper (3)
 function.
-It tests whether \fIwc\fP is a wide character
+It tests whether
+.I wc
+is a wide character
 belonging to the wide-character class "upper".
 .PP
 The wide-character class "upper" is a subclass of the wide-character class
@@ -46,19 +50,37 @@ Being a subclass of the wide-character class "alnum", the wide-character class
 Being a subclass of the wide-character class "alpha", the wide-character class
 "upper" is disjoint from the wide-character class "digit".
 .PP
-The wide-character class "upper" contains at least those characters \fIwc\fP
-which are equal to \fItowupper(wc)\fP and different from \fItowlower(wc)\fP.
+The wide-character class "upper" contains at least those characters
+.I wc
+which are equal to
+.I towupper(wc)
+and different from
+.IR towlower(wc) .
 .PP
-The wide-character class "upper" always contains at least the letters 'A'
-to 'Z'.
-.SH "RETURN VALUE"
+The wide-character class "upper" always contains at least the
+letters \(aqA\(aq to \(aqZ\(aq.
+.SH RETURN VALUE
 The
 .BR iswupper ()
-function returns nonzero if \fIwc\fP is a wide character
+function returns nonzero if
+.I wc
+is a wide character
 belonging to the wide-character class "upper".
-Otherwise it returns zero.
-.SH "CONFORMING TO"
-C99.
+Otherwise, it returns zero.
+.SH ATTRIBUTES
+For an explanation of the terms used in this section, see
+.BR attributes (7).
+.TS
+allbox;
+lb lb lb
+l l l.
+Interface      Attribute       Value
+T{
+.BR iswupper ()
+T}     Thread safety   MT-Safe locale
+.TE
+.SH CONFORMING TO
+POSIX.1-2001, POSIX.1-2008, C99.
 .SH NOTES
 The behavior of
 .BR iswupper ()
@@ -69,7 +91,7 @@ current locale.
 .PP
 This function is not very appropriate for dealing with Unicode characters,
 because Unicode knows about three cases: upper, lower and title case.
-.SH "SEE ALSO"
+.SH SEE ALSO
 .BR isupper (3),
 .BR iswctype (3),
 .BR towupper (3)