+#define FOREACH_WORD_QUOTED(word, length, s, state) \
+ for ((state) = NULL, (word) = split_quoted((s), &(l), &(state)); (word); (word) = split_quoted((s), &(l), &(state)))
+
+const char *sigchld_code(int code);
+
+pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
+
+int write_one_line_file(const char *fn, const char *line);
+int read_one_line_file(const char *fn, char **line);
+
+char *strappend(const char *s, const char *suffix);
+
+int readlink_malloc(const char *p, char **r);
+
+char *file_name_from_path(const char *p);
+bool is_path(const char *p);
+
+bool path_is_absolute(const char *p);
+char *path_make_absolute(const char *p, const char *prefix);
+
+int reset_all_signal_handlers(void);
+
+char *strstrip(char *s);
+char *file_in_same_dir(const char *path, const char *filename);
+