ttttoouuttpp() -- 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tpp(_t_p)
TTTTYY *_t_p;

ttttoouuttpp() returns  a nonzero value  if the tty  input queue has  output data
available,  and  returns zero  if  the  queue is  empty.   Before you  call
ttttoouutt(), use ttttoouuttpp() to see if it is safe to do so.

_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t(), ttttiinnpp()
