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1.1 root 1: ttttoouuttpp() -- Terminal-Device Routine
2:
3: #iinncclluuddee <ssyyss/ttttyy.hh>
4: iinntt
5: ttttoouuttpp(_t_p)
6: TTTTYY *_t_p;
7:
8: ttttoouuttpp() returns a nonzero value if the tty input queue has output data
9: available, and returns zero if the queue is empty. Before you call
10: ttttoouutt(), use ttttoouuttpp() to see if it is safe to do so.
11:
12: _S_e_e _A_l_s_o
13: tteerrmmiinnaall-ddeevviiccee rroouuttiinneess, ttttoouutt(), ttttiinnpp()
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