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Comment by cyberpunk | Hacker News Reader

OpenBSD doesn't have sendfile as far as I know so maybe s/Open// there too

OpenBSD and FreeBSD do have sendfile(), but args are different compared to the interface presented by Linux. It should be trivial to write a wrapper, though:

https://man.openbsd.org/FreeBSD-11.1/sendfile.2 https://linux.die.net/man/2/sendfile

That manpage is an import from freebsd, not part of base -- As far as I can see on my system it's not there:

OpenBSD:

    $ man 2 sendfile
    man: No entry for sendfile in section 2 of the manual.

    $ grep -rni sendfile /usr/include | wc -l
       0

FreeBSD:

    # grep -rni sendfile /usr/include | wc -l
          30

edit: typo

On Openbsd you have sosplice, which can be used much like sendfile.

Oh neat, I had no idea that existed. Will have a play, thanks for the tip!

OK, noted. Thanks for sharing.

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