K 10 svn:author V 5 seanc K 8 svn:date V 27 2003-08-27T03:49:25.000000Z K 7 svn:log V 415 Add subcalc, a utility that is used for subnet calculation and IPv6 DNS PTR record generation. subcalc takes command line arguments in a similar format to ifconfig(8) so the synopsis should be familiar to the user. Given an address family, address and a netmask/prefix length, subcalc will calculate the number of hosts and address ranges of the specific network. PR: ports/55979 Submitted by: Chris S.J. Peron END