for ((state) = (s), (word) = split(&(state), &(length), (separator), (quoted)); (word); (word) = split(&(state), &(length), (separator), (quoted)))
pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
-int get_starttime_of_pid(pid_t pid, unsigned long long *st);
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);
int chmod_and_chown(const char *path, mode_t mode, uid_t uid, gid_t gid);
int fchmod_and_fchown(int fd, mode_t mode, uid_t uid, gid_t gid);
+int is_fd_on_temporary_fs(int fd);
+
int rm_rf_children(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
int rm_rf_children_dangerous(int fd, bool only_dirs, bool honour_sticky, struct stat *root_dev);
int rm_rf(const char *path, bool only_dirs, bool delete_root, bool honour_sticky);