ttttoouutt() -- Terminal-Device Routine

#iinncclluuddee <ssyyss/ttttyy.hh>
iinntt
ttttoouutt(_t_p)
TTTTYY *_t_p;

ttttoouutt() returns  the next character to  be output.  If the  output queue is
empty, it returns -1.  It should be called with interrupts disabled.

_S_e_e _A_l_s_o
tteerrmmiinnaall-ddeevviiccee rroouuttiinneess ttttoouuttpp()
