iswxdigit method

bool iswxdigit(
  1. int wc
)

Checks if the wide character is a hexadecimal digit.

Implementation

bool iswxdigit(int wc) {
  return (wc >= 48 && wc <= 57) ||
         (wc >= 65 && wc <= 70) ||
         (wc >= 97 && wc <= 102);
}