Returns the dotted IP address string from the integer IP address.
comm
ip-address-string ip-address => string-ip-address
ip-address
An integer.
string-ip-address
The dotted string format of the given IP address.
The ip-address-string function converts its argument to a string in the standard dotted IP address notation a.b.c.d.
ip-address-string
a.b.c.d.