../../utils/msgport.c:609:67: error: expected ';' at end of declaration error_t parse_opt (int key, char *arg, struct argp_state *state) ^ ; ../../utils/msgport.c:637:59: error: use of undeclared identifier 'argp_kids' struct argp argp = { options, parse_opt, args_doc, doc, argp_kids }; ^ 2 errors generated.