fusl/src/ctype/iswdigit.c

#include <wctype.h>
#include "libc.h"

#undef iswdigit

int iswdigit(wint_t wc) {
  return (unsigned)wc - '0' < 10;
}

int __iswdigit_l(wint_t c, locale_t l) {
  return iswdigit(c);
}

weak_alias(__iswdigit_l, iswdigit_l);