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--- dpinger.c.orig 2016-02-28 05:29:33 UTC +++ dpinger.c @@ -1018,7 +1018,7 @@ parse_args( default: usage(); - fatal(NULL); + exit(EXIT_FAILURE); } } @@ -1026,7 +1026,7 @@ parse_args( if (argc != optind + 1) { usage(); - fatal(NULL); + exit(EXIT_FAILURE); } dest_arg = argv[optind];