in pathconf, -1, not 0, means unsupported.. syncio presumably works, too.
[musl] / src / locale / wcscoll.c
1 #include <wchar.h>
2
3 /* FIXME: stub */
4 int wcscoll(const wchar_t *l, const wchar_t *r)
5 {
6         return wcscmp(l, r);
7 }