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iswupper

iswupper



Uppercase Alphabetic Character Test

Portability: ISO/ANSI conforming, UNIX compatible


SYNOPSIS
DESCRIPTION
RETURN VALUE
CAUTION
RELATED FUNCTIONS
SEE ALSO


SYNOPSIS

#include <wctype.h>

int iswupper(wint_t wc)


DESCRIPTION

iswupper tests a wide character value wc to determine whether it is an uppercase alphabetic character.


RETURN VALUE

iswupper returns 0 if the wide character is not an uppercase alphabetic character, or a nonzero value if it is an uppercase alphabetic character. If the argument is WEOF, 0 is returned.


CAUTION

The effect of iswupper on a non-wide character argument other than WEOF is undefined. Do not assume that iswupper returns either a 0 or a 1.


RELATED FUNCTIONS

iswalpha, islower, towlower, towupper


SEE ALSO


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