200
502
512
+:reset
+200
+502
+512
:notify
200
501
502
517
518
+:hup
+200
+502
: ; Nameless notification
600 i i s s s ; FN chat
601 i i ; FN state change
632 i s s ; More data follows, but cannot be handled by dc_interpret
640 s ; Client-to-client message, also variable length
: ; Nameless connection
-200 s
+200 s ; Old, non-versioned welcome message
+201 i i s ; New, versioned message -- supported revisions are i1 to i2, incl.
502