git: ifconfig(8): Get rid of the global 'struct ifreq ifr'

[Aaron LI]

commit c29ec766c47b600d7ac86fe2a71499fc96b97597
Author: Aaron LI <aly at aaronly.me>
Date:   Wed Dec 13 09:37:54 2023 +0800

    ifconfig(8): Get rid of the global 'struct ifreq ifr'
    
    Use on-stack 'struct ifreq' instead.  Now it's much more clear to reason
    about its usage.

Summary of changes:
 sbin/ifconfig/ifcarp.c   | 30 +++++++++++++---
 sbin/ifconfig/ifclone.c  |  3 ++
 sbin/ifconfig/ifconfig.c | 90 +++++++++++++++++++++++++++++-------------------
 sbin/ifconfig/ifconfig.h |  1 -
 sbin/ifconfig/ifmedia.c  | 29 ++++++----------
 sbin/ifconfig/ifvlan.c   | 13 +++++++
 6 files changed, 107 insertions(+), 59 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/c29ec766c47b600d7ac86fe2a71499fc96b97597


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