exit_code         252 src/main.c         int exit_code = EXIT_FAILURE;
exit_code         276 src/main.c             return exit_code;
exit_code         292 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         453 src/main.c             exit_code = EXIT_SUCCESS;
exit_code         455 src/main.c             exit_code = do_nc ()? EXIT_SUCCESS : EXIT_FAILURE;
exit_code         545 src/main.c             exit_code = EXIT_FAILURE;
exit_code         550 src/main.c         return exit_code;