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toupper.3 (196820) toupper.3 (210468)
1.\" Copyright (c) 1989, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
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

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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.\"
32.\" @(#)toupper.3 8.1 (Berkeley) 6/4/93
1.\" Copyright (c) 1989, 1991, 1993
2.\" The Regents of the University of California. All rights reserved.
3.\"
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

--- 16 unchanged lines hidden (view full) ---

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.\"
32.\" @(#)toupper.3 8.1 (Berkeley) 6/4/93
33.\" $FreeBSD: head/lib/libc/locale/toupper.3 196820 2009-09-04 07:44:58Z des $
33.\" $FreeBSD: head/lib/libc/locale/toupper.3 210468 2010-07-25 13:32:19Z bcr $
34.\"
34.\"
35.Dd July 17, 2005
35.Dd July 25, 2010
36.Dt TOUPPER 3
37.Os
38.Sh NAME
39.Nm toupper
40.Nd lower case to upper case letter conversion
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS

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52The argument must be representable as an
53.Vt "unsigned char"
54or the value of
55.Dv EOF .
56.Sh RETURN VALUES
57If the argument is a lower-case letter, the
58.Fn toupper
59function returns the corresponding upper-case letter if there is
36.Dt TOUPPER 3
37.Os
38.Sh NAME
39.Nm toupper
40.Nd lower case to upper case letter conversion
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS

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52The argument must be representable as an
53.Vt "unsigned char"
54or the value of
55.Dv EOF .
56.Sh RETURN VALUES
57If the argument is a lower-case letter, the
58.Fn toupper
59function returns the corresponding upper-case letter if there is
60one; otherwise the argument is returned unchanged.
60one; otherwise, the argument is returned unchanged.
61.Sh COMPATIBILITY
62The
63.Bx 4.4
64extension of accepting arguments outside of the range of the
65.Vt "unsigned char"
66type in locales with large character sets is considered obsolete
67and may not be supported in future releases.
68The
69.Fn towupper
70function should be used instead.
71.Sh SEE ALSO
72.Xr ctype 3 ,
73.Xr isupper 3 ,
74.Xr towupper 3
75.Sh STANDARDS
76The
77.Fn toupper
78function conforms to
79.St -isoC .
61.Sh COMPATIBILITY
62The
63.Bx 4.4
64extension of accepting arguments outside of the range of the
65.Vt "unsigned char"
66type in locales with large character sets is considered obsolete
67and may not be supported in future releases.
68The
69.Fn towupper
70function should be used instead.
71.Sh SEE ALSO
72.Xr ctype 3 ,
73.Xr isupper 3 ,
74.Xr towupper 3
75.Sh STANDARDS
76The
77.Fn toupper
78function conforms to
79.St -isoC .