Are you even receiving the connection registration mesages after a successful login?
:tmi.twitch.tv 001 rokuhodo_ :Welcome, GLHF!
:tmi.twitch.tv 002 rokuhodo_ :Your host is tmi.twitch.tv
:tmi.twitch.tv 003 rokuhodo_ :This server is rather new
:tmi.twitch.tv 004 rokuhodo_ :-
:tmi.twitch.tv 375 rokuhodo_ :-
:tmi.twitch.tv 372 rokuhodo_ :You are in a maze of twisty passages, all alike.
:tmi.twitch.tv 376 rokuhodo_ :>
Also, try flushing your stream after every write so that you can read/write right away.