Brian Anderson 0ee4fb0576 Handle exit status more consistently. #211 ... This changes the `uumain` functions to return the exit code as `int`. It does not eliminate all calls to `os::set_exit_status` and `libc::exit`.		2014-06-11 21:48:38 -07:00
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sum.rs	Handle exit status more consistently. #211	2014-06-11 21:48:38 -07:00