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* Update copyright dates with scripts/update-copyrightsJoseph Myers2023-01-061-1/+1
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* Linux: consolidate dup2 implementationAdhemerval Zanella Netto2022-12-071-0/+40
Use dup2 syscall if defined, otherwise use dup3. Checked on x86_64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com> Tested-by: Carlos O'Donell <carlos@redhat.com>