iswalnum
int iswalnum(wint_t);
PROTO_STD_DEPRECATED(iswalnum);
return iswalnum(p) || wcschr(L"*?_-.[]~=", p) != NULL;
if (iswalnum(p) || p == L'_')
if (iswalnum((wint_t)c))
check_bool(isalnum(s[j]), iswalnum(c), '1');
check_bool(isalnum(i), iswalnum(i), '1');
if (iswalnum(c) || iswblank(c)) {