Reference

DNS (in socket)
toip, tohostname, gethostname.
FTP
get, put.
HTTP
request.
LTN12
filter: chain, cycle.
pump: all, step.
sink: chain, error, file, null, simplify, table.
source: cat, chain, empty, error, file, simplify, string.
MIME
high-level: normalize, decode, encode, stuff, wrap.
low-level: b64, dot, eol, qp, wrp, qpwrp. unb64, unqp,
Socket
_DEBUG, dns, gettime, newtry, protect, select, sink, skip, sleep, source, tcp, try, udp, _VERSION.
TCP (in socket)
accept, bind, close, connect, getpeername, getsockname, getstats, receive, send, setoption, setstats, settimeout, shutdown.
UDP (in socket)
close, getpeername, getsockname, receive, receivefrom, send, sendto, setpeername, setsockname, setoption, settimeout.
URL
absolute, build, build_path, escape, parse, parse_path, unescape.