iswxdigit() -- tests if wide character is a hexadecimal digit

SYNOPSIS

#include <wctype.h>

int iswxdigit(wint_t wc);

DESCRIPTION

The iswxdigit() function tests for any wide character that corresponds to a hexadecimal-digit character.

The behavior of the iswxdigit() function is affected by the current locale. To modify the behavior, change the LC_CTYPE category in setlocale(), that is, setlocale(LC_CTYPE, newlocale).

PARAMETERS

wc: Is a wide character code corresponding to a valid character in the current locale or the value of the macro WEOF.

RETURN VALUES

The iswxdigit() function returns non-zero for true and zero for false. If the parameter is not in the domain of the function, the behavior is undefined.