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POSIX.1 doesn't define ut_host in struct utmpx. Also, Linux has support for an exit status value in ut_exit. This commit adds conditional code for both ut_host and ut_exit to maximise portability.
POSIX.1 doesn't define ut_host in struct utmpx. Also, Linux has support for an exit status value in ut_exit. This commit adds conditional code for both ut_host and ut_exit to maximise portability.