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Manpage of TOWUPPER

TOWUPPER

Section: Linux Programmer's Manual (3 )
Updated: 1999-07-25
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NAME

towupper - convert a wide character to uppercase  

SYNOPSIS

#include <wctype.h>

wint_t towupper (wint_t wc);
 

DESCRIPTION

The towupper function is the wide-character equivalent of the toupper function. If wc is a wide character, it is converted to uppercase. Characters which do not have case are returned unchanged. If wc is WEOF, WEOF is returned.  

RETURN VALUE

The towupper function returns the uppercase equivalent of wc, or WEOF if wc is WEOF.  

CONFORMING TO

ISO/ANSI C, UNIX98  

SEE ALSO

towlower(3), towctrans(3), iswupper(3)  

NOTES

The behaviour of towupper depends on the LC_CTYPE category of the current locale.

This function is not very appropriate for dealing with Unicode characters, because Unicode knows about three cases: upper, lower and title case.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO
NOTES

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Time: 12:12:49 GMT, April 24, 2024