cannot_unlink_dir 25 maint/gnulib/lib/unlinkdir.h bool cannot_unlink_dir (void); cannot_unlink_dir 46 maint/gnulib/tests/test-unlink.h if (cannot_unlink_dir ()) cannot_unlink_dir 72 maint/gnulib/tests/test-unlink.h if (cannot_unlink_dir ())