+/* The results of open() in this file are not used with fchdir,
+ therefore save some unnecessary work in fchdir.c. */
+#undef open
+#undef close
+
+/* The results of opendir() in this file are not used with dirfd and fchdir,
+ therefore save some unnecessary work in fchdir.c. */
+#undef opendir
+#undef closedir
+
+#ifndef ME_DUMMY
+# define ME_DUMMY(Fs_name, Fs_type) \
+ (strcmp (Fs_type, "autofs") == 0 \
+ || strcmp (Fs_type, "none") == 0 \
+ || strcmp (Fs_type, "proc") == 0 \
+ || strcmp (Fs_type, "subfs") == 0 \
+ /* for NetBSD 3.0 */ \
+ || strcmp (Fs_type, "kernfs") == 0 \
+ /* for Irix 6.5 */ \
+ || strcmp (Fs_type, "ignore") == 0)
+#endif
+
+#ifndef ME_REMOTE
+/* A file system is `remote' if its Fs_name contains a `:'
+ or if (it is of type (smbfs or cifs) and its Fs_name starts with `//'). */
+# define ME_REMOTE(Fs_name, Fs_type) \
+ (strchr (Fs_name, ':') != NULL \
+ || ((Fs_name)[0] == '/' \
+ && (Fs_name)[1] == '/' \
+ && (strcmp (Fs_type, "smbfs") == 0 \
+ || strcmp (Fs_type, "cifs") == 0)))