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ttttiiooccttll() -- Terminal-Device Routine

#iinncclluuddee <ssyyss/ttttyy.hh>
#iinncclluuddee <ssggttttyy.hh>
vvooiidd
ttttiiooccttll(_t_p, _c_o_m, _v_e_c)
TTTTYY *_t_p;
iinntt _c_o_m;
ssttrruucctt ssggttttyybb *_v_e_c;

ttttiiooccttll()  handles common  typewriter  I/O control  (ioctl) operations,  as
defined in header file ssggttttyy.hh. It may call

    (*_t_p->tt_ppaarraamm)(_t_p)

to initialize the hardware.  If an error occurs, it sets field uu.uu_eerrrroorr to
an appropriate value.  It returns nothing.

_S_e_e _A_l_s_o
tteerrmmiinnaall-ddeevviiccee rroouuttiinneess

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