../../libps/proclist.c:305:71: error: expected ';' at end of declaration
  error_t id_fetch_fn (process_t proc, pid_t **pids, size_t *num_pids)
                                                                      ^
                                                                      ;
../../libps/proclist.c:475:45: error: expected ';' at end of declaration
  int lessp (const void *p1, const void *p2)
                                            ^
                                            ;
../../libps/proclist.c:642:39: error: expected ';' at end of declaration
  int is_thread (struct proc_stat *ps)
                                      ^
                                      ;
../../libps/proclist.c:686:45: error: expected ';' at end of declaration
      int interesting (struct proc_stat *ps)
                                            ^
                                            ;
4 errors generated.