Update RingSockets: update docs.txt
# convert ip address into binary data in network byte order
- inet_addr(ip) -> return <packed_address>
- inet_ntoa(packed_address) -> return <ip>
+# convert ipv4|ipv6 address into binary data in network byte order
+- inet_pton(AdressFamily, ip) -> return <packed_address>
+- inet_ntop(AdressFamily, packed_address) -> return <ip>
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