ipsec_include - internal script to process config files
       ipsec _include
       _include is used by _confread to process include directives in
       /etc/ipsec.conf.
       ipsec(8), ipsec__confread(8)
       Man page written for the Linux FreeS/WAN project
       <http://www.freeswan.org/> by Michael Richardson. Program written by
       Henry Spencer.