char **split_path_and_make_absolute(const char *p);
pid_t get_parent_of_pid(pid_t pid, pid_t *ppid);
+int get_starttime_of_pid(pid_t pid, unsigned long long *st);
int write_one_line_file(const char *fn, const char *line);
int read_one_line_file(const char *fn, char **line);
int parse_env_file(const char *fname, const char *separator, ...) _sentinel_;
int load_env_file(const char *fname, char ***l);
+int write_env_file(const char *fname, char **l);
char *strappend(const char *s, const char *suffix);
char *strnappend(const char *s, const char *suffix, size_t length);