Tuomo: > based systems wchar_t is supposed to be unicode internally so no special > libraries would be strictly necessary for isalnum and friends, but I'd > rather not depend on that fact. Any good ideas are appreciated.
Could you have dummy functions that only do ASCII when glib or whichever third party unicode stuff is used? That way you get a soft dependency: if it's not there you get slightly crippled functionality but it still builds and is not even noticeable to people who don't use this functionality.
