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iswxdigit

iswxdigit


Hexadecimal Digit Test

Portability: ISO/ANSI conforming

SYNOPSIS
DESCRIPTION
RETURN VALUE
CAUTION
RELATED FUNCTIONS
SEE ALSO

SYNOPSIS

#include <wctype.h>

int iswxdigit(wint_t wc)

DESCRIPTION

iswxdigit tests a wide character value wc to determine whether it is a hexadecimal digit (uppercase or lowercase).

RETURN VALUE

iswxdigit returns 0 if the wide character is not a hexadecimal digit, or a nonzero value if it is a hexadecimal digit. If the argument is WEOF, 0 is returned.

CAUTION

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

RELATED FUNCTIONS

iswdigit

SEE ALSO


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