exit_code         227 src/main.c         int exit_code = EXIT_FAILURE;
exit_code         252 src/main.c             return exit_code;
exit_code         275 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         427 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         429 src/main.c             exit_code = do_nc () ? EXIT_SUCCESS : EXIT_FAILURE;
exit_code         521 src/main.c             exit_code = EXIT_FAILURE;
exit_code         526 src/main.c         return exit_code;