is not multithread-safe. Also, the replacement does not guarantee
that @samp{dirfd(fdopendir(n))==n} (dirfd might fail, or return a
different file descriptor than n).
is not multithread-safe. Also, the replacement does not guarantee
that @samp{dirfd(fdopendir(n))==n} (dirfd might fail, or return a
different file descriptor than n).