exit_code         223 src/main.c         int exit_code = EXIT_FAILURE;
exit_code         248 src/main.c             return exit_code;
exit_code         271 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         426 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         428 src/main.c             exit_code = do_nc () ? EXIT_SUCCESS : EXIT_FAILURE;
exit_code         524 src/main.c             exit_code = EXIT_FAILURE;
exit_code         529 src/main.c         return exit_code;