git: ifconfig(8): Use getifaddrs(3) from libc

[Aaron LI]

commit 5ecbd7012b0fe835dcda54ca97b260ded1a4b136
Author: Aaron LI <aly at aaronly.me>
Date:   Fri Jun 26 17:59:53 2020 +0800

    ifconfig(8): Use getifaddrs(3) from libc
    
    Use libc's getifaddrs(3) instead of implementing its own version.
    
    Obtained from FreeBSD (revisions 166956 and 199770); with minor
    adjustments.
    
    While there, also adjust some styles.

Summary of changes:
 sbin/ifconfig/af_inet.c  |  25 +++--
 sbin/ifconfig/af_inet6.c |  20 ++--
 sbin/ifconfig/af_link.c  |   6 +-
 sbin/ifconfig/ifconfig.c | 235 +++++++++++++++++------------------------------
 sbin/ifconfig/ifconfig.h |   5 +-
 5 files changed, 110 insertions(+), 181 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/5ecbd7012b0fe835dcda54ca97b260ded1a4b136


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