ISWUPPER

ISWUPPER

NAME SYNOPSIS DESCRIPTION RETURN VALUE CONFORMING TO SEE ALSO NOTES

NAME

iswupper - test for uppercase wide character

SYNOPSIS

#include wc);

DESCRIPTION

The iswupper function is the wide-character equivalent of the isupper function. It tests whether wc is a wide character belonging to the wide character class ''

The wide character class

Being a subclass of the wide character class

Being a subclass of the wide character class

Being a subclass of the wide character class

Being a subclass of the wide character class

The wide character class wc which are equal to towupper(wc) and different from towlower(wc)''.

The wide character class

RETURN VALUE

The iswupper function returns non-zero if wc is a wide character belonging to the wide character class ''

CONFORMING TO

ISO/ANSI C, UNIX98

SEE ALSO

isupper(3), iswctype(3), towupper(3)

NOTES

The behaviour of iswupper 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.