bool path_is_absolute(const char *p) _pure_;
char* path_make_absolute(const char *p, const char *prefix);
char* path_make_absolute_cwd(const char *p);
-int path_make_relative(const char *from_dir, const char *to_path, char **_r);
+// UNNEEDED int path_make_relative(const char *from_dir, const char *to_path, char **_r);
char* path_kill_slashes(char *path);
char* path_startswith(const char *path, const char *prefix) _pure_;
int path_compare(const char *a, const char *b) _pure_;
int find_binary(const char *name, bool local, char **filename);
-bool paths_check_timestamp(const char* const* paths, usec_t *paths_ts_usec, bool update);
+// UNNEEDED bool paths_check_timestamp(const char* const* paths, usec_t *paths_ts_usec, bool update);
int fsck_exists(const char *fstype);