a in-addr/forward zone generator written in C, which outputs in the format below. FORWARD: iplt;subnetgt;-lt;nodegt;-vlt;vlangt; A lt;networkgt;.lt;subnetgt;.lt;nodegt; REVERSE/IN-ADDR lt;nodegt; PTR iplt;subnetgt;-lt;nodegt;-vlt;vlangt;.lt;namegt;.lt;suffixgt;.