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TOWUPPER(3)			    Linux Programmer's Manual			      TOWUPPER(3)

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.

GNU					    1999-07-25				      TOWUPPER(3)
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