towlower.3 (c879ae3536e6d92b8d96c8965c5b05fcb9541520) towlower.3 (008a2c53cef20b7181a1f423b242d3204de9236f)
1.\" Copyright (c) 1989, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
1.\" $NetBSD: towlower.3,v 1.3 2002/03/18 08:03:39 wiz Exp $
3.\"
2.\"
3.\" Copyright (c) 1989, 1991 The Regents of the University of California.
4.\" All rights reserved.
5.\"
4.\" This code is derived from software contributed to Berkeley by
5.\" the American National Standards Committee X3, on Information
6.\" Processing Systems.
7.\"
8.\" Redistribution and use in source and binary forms, with or without
9.\" modification, are permitted provided that the following conditions
10.\" are met:
11.\" 1. Redistributions of source code must retain the above copyright
12.\" notice, this list of conditions and the following disclaimer.
13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\" notice, this list of conditions and the following disclaimer in the
15.\" documentation and/or other materials provided with the distribution.
6.\" This code is derived from software contributed to Berkeley by
7.\" the American National Standards Committee X3, on Information
8.\" Processing Systems.
9.\"
10.\" Redistribution and use in source and binary forms, with or without
11.\" modification, are permitted provided that the following conditions
12.\" are met:
13.\" 1. Redistributions of source code must retain the above copyright
14.\" notice, this list of conditions and the following disclaimer.
15.\" 2. Redistributions in binary form must reproduce the above copyright
16.\" notice, this list of conditions and the following disclaimer in the
17.\" documentation and/or other materials provided with the distribution.
18.\" 3. All advertising materials mentioning features or use of this software
19.\" must display the following acknowledgement:
20.\" This product includes software developed by the University of
21.\" California, Berkeley and its contributors.
16.\" 4. Neither the name of the University nor the names of its contributors
17.\" may be used to endorse or promote products derived from this software
18.\" without specific prior written permission.
19.\"
20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30.\" SUCH DAMAGE.
31.\"
22.\" 4. Neither the name of the University nor the names of its contributors
23.\" may be used to endorse or promote products derived from this software
24.\" without specific prior written permission.
25.\"
26.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36.\" SUCH DAMAGE.
37.\"
32.\" @(#)tolower.3 8.1 (Berkeley) 6/4/93
38.\" @(#)tolower.3 5.2 (Berkeley) 6/29/91
33.\" $FreeBSD$
34.\"
39.\" $FreeBSD$
40.\"
35.Dd October 3, 2002
41.Dd December 22, 2000
36.Dt TOWLOWER 3
37.Os
38.Sh NAME
39.Nm towlower
42.Dt TOWLOWER 3
43.Os
44.Sh NAME
45.Nm towlower
40.Nd "upper case to lower case letter conversion (wide character version)"
46.Nd wide character case letter conversion utilities
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
47.Sh LIBRARY
48.Lb libc
49.Sh SYNOPSIS
44.In wctype.h
50.Fd #include \*[Lt]wctype.h\*[Gt]
45.Ft wint_t
46.Fn towlower "wint_t wc"
51.Ft wint_t
52.Fn towlower "wint_t wc"
53.Ft wint_t
54.Fn towlower "wint_t wc"
47.Sh DESCRIPTION
48The
49.Fn towlower
55.Sh DESCRIPTION
56The
57.Fn towlower
50function converts an upper-case letter to the corresponding lower-case
58function converts an upper-case wide character to the corresponding lower-case
51letter.
59letter.
60The
61.Fn towupper
62function converts an lower-case wide character to the corresponding upper-case
63letter.
52.Sh RETURN VALUES
64.Sh RETURN VALUES
53If the argument is an upper-case letter, the
54.Fn towlower
55function returns the corresponding lower-case letter if there is
65If the argument is an upper/lower-case letter, the
66.Fn tolower
67function returns the corresponding counterpart if there is
56one; otherwise the argument is returned unchanged.
57.Sh SEE ALSO
68one; otherwise the argument is returned unchanged.
69.Sh SEE ALSO
58.Xr iswlower 3 ,
59.Xr tolower 3 ,
70.Xr tolower 3 ,
60.Xr towupper 3 ,
61.Xr wctrans 3
71.Xr toupper 3
62.Sh STANDARDS
72.Sh STANDARDS
63The
64.Fn towlower
65function conforms to
66.St -isoC-99 .
73The functions conform to
74.St -isoC99 .