On Fri, 23 Sep 2022, Anthony Mallet wrote:
Then, shouldn't the open(2) (and posix_openpt(3)) at least fail with EINVAL or something if other flags are specified?
Yes, this was noticed recently by gutteridge@ (I think) who also amended the manpage to what Martin just quoted (and which may not have been pulled up to -9.x) -RVP