exit_code         260 src/main.c         int exit_code = EXIT_FAILURE;
exit_code         285 src/main.c             return exit_code;
exit_code         308 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         467 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         469 src/main.c             exit_code = do_nc ()? EXIT_SUCCESS : EXIT_FAILURE;
exit_code         565 src/main.c             exit_code = EXIT_FAILURE;
exit_code         570 src/main.c         return exit_code;