../../utils/rmauth.c:56:67: error: expected ';' at end of declaration
  error_t parse_opt (int key, char *arg, struct argp_state *state)
                                                                  ^
                                                                  ;
../../utils/rmauth.c:115:16: error: use of undeclared identifier 'argp'
  argp_parse (&argp, argc, argv, 0, 0, &frobauth);
               ^
../../utils/rmauth.c:117:41: error: use of undeclared identifier 'modify'
  if (frobauth_modify (&frobauth, 0, 0, modify, print_info, 0))
                                        ^
3 errors generated.