Initial revision

Completion/User/_hostports

@@ -0,0 +1,9 @@
+#autoload
+
+# Usage: _hostport host
+
+local host="$1"
+shift
+
+compadd "$@" - ${${(M)hosts\:#$host\:*}#*\:}
+

Completion/User/_socket

@@ -0,0 +1,34 @@
+#compdef socket
+
+local state line expl
+typeset -A options
+
+_arguments -s \
+  -{b,c,f,q,r,v,w} \
+  -{s,l} \
+  '-p:command:->command' \
+  ':arg1:->arg1' \
+  ':arg2:->arg2'
+
+case "$state" in
+command)
+  compset -q
+  _normal
+  ;;
+
+arg1)
+  if (( $+options[-s] )); then
+    _message 'port'
+  else
+    _description expl 'host'
+    _hosts "$expl[@]"
+  fi
+  ;;
+
+arg2)
+  if (( ! $+options[-s] )); then
+    _description expl 'port'
+    _hostports $line[2] "$expl[@]"
+  fi
+  ;;
+esac

Completion/User/_telnet

@@ -0,0 +1,21 @@
+#compdef telnet
+
+_arguments -s \
+  -{F,f,x} \
+  '-8[allow 8-Bit data]' \
+  '-E[disable an escape character]' \
+  '-K[no automatic login]' \
+  '-L[allow 8-Bit data on output]' \
+  '-S+:IP type-of-service:' \
+  '-X+:authentication type to disable:' \
+  '-a[attempt automatic login]' \
+  '-c[disable .telnetrc]' \
+  '-d[debug mode]' \
+  '-e+[specify escape character]:escape character:' \
+  '-k+:realm:' \
+  '-l+[specify user]:user:' \
+  '-n+[specify tracefile]:tracefile:_files' \
+  '-r[rlogin like user interface]' \
+  ':host:_hosts' \
+  ':port:{ _hostports $line[2] "$expl[@]" }'
+