[PATCH v21 12/14] log: add optional support of syslog

[Stephen Hemminger]

On Mon,  3 Jun 2024 17:45:00 -0700
Stephen Hemminger <stephen at networkplumber.org> wrote:

> Log to syslog only if option is specified. And if syslog is used
> then normally only log to syslog, don't duplicate output.
> Also enables syslog support on FreeBSD.
> 
> Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
> ---

Ignore checkpatch complaints.
1. The tests should use the same style as other tests.

2. Checkpatch can't figure out code indent correctly with #ifdefs.

3. Checkpatch thinks stdio.h is spelling error.