Function run_from_args 

pub async fn run_from_args<I, T>(argv: I) -> i32
where
    I: IntoIterator<Item = T>,
    T: Into<OsString> + Clone,

Run a restore from an argv-style iterator and return the process exit code.

--help and --version render to stdout and return EXIT_OK. A malformed command line renders to stderr and returns EXIT_BAD_ARGUMENTS.