[Ddclient-support] [ddclient/ddclient] 00ce8b: Add is_ipv4() and extract_ipv4() functions

[David K. <no...@gi...>]

  Branch: refs/heads/master
  Home:   https://github.com/ddclient/ddclient
  Commit: 00ce8bdeb34e0e57672b1951e4ff654633a6fc3c
      https://github.com/ddclient/ddclient/commit/00ce8bdeb34e0e57672b1951e4ff654633a6fc3c
  Author: David Kerr <da...@ke...>
  Date:   2020-06-29 (Mon, 29 Jun 2020)

  Changed paths:
    M ddclient

  Log Message:
  -----------
  Add is_ipv4() and extract_ipv4() functions