int files_same(const char *filea, const char *fileb);
-// UNNEEDED int running_in_chroot(void);
+int running_in_chroot(void);
char *ellipsize(const char *s, size_t length, unsigned percent);
/* bytes columns */
// UNNEEDED char *fstab_node_to_udev_node(const char *p);
-// UNNEEDED void execute_directories(const char* const* directories, usec_t timeout, char *argv[]);
+void execute_directories(const char* const* directories, usec_t timeout, char *argv[]);
bool nulstr_contains(const char*nulstr, const char *needle);
// UNNEEDED int rename_noreplace(int olddirfd, const char *oldpath, int newdirfd, const char *newpath);
-char *shell_escape(const char *s, const char *bad);
-char *shell_maybe_quote(const char *s);
+// UNNEEDED char *shell_escape(const char *s, const char *bad);
+// UNNEEDED char *shell_maybe_quote(const char *s);
int parse_mode(const char *s, mode_t *ret);