xref: /freebsd/lib/libc/locale/towupper.3 (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
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32.\"	@(#)toupper.3	8.1 (Berkeley) 6/4/93
33.\" $FreeBSD$
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35.Dd October 3, 2002
36.Dt TOWUPPER 3
37.Os
38.Sh NAME
39.Nm towupper
40.Nd "lower case to upper case letter conversion (wide character version)"
41.Sh LIBRARY
42.Lb libc
43.Sh SYNOPSIS
44.In wctype.h
45.Ft wint_t
46.Fn towupper "wint_t wc"
47.Sh DESCRIPTION
48The
49.Fn towupper
50function converts a lower-case letter to the corresponding
51upper-case letter.
52.Sh RETURN VALUES
53If the argument is a lower-case letter, the
54.Fn towupper
55function returns the corresponding upper-case letter if there is
56one; otherwise the argument is returned unchanged.
57.Sh SEE ALSO
58.Xr iswupper 3 ,
59.Xr toupper 3 ,
60.Xr towlower 3 ,
61.Xr wctrans 3
62.Sh STANDARDS
63The
64.Fn towupper
65function conforms to
66.St -isoC-99 .
67