add PASS8: pass all 8 bits of input

Add copyright

fix carrier drop handling in ttread & try improving LCASE mode

optimization and handle closure during sleeps correctly

C definition of scanc moves to ufs_subr.c

cleanup and get rid of race

was too restrictive on SPGRP (it's all a crock anyway)

Added ioctls for window size changes, process group checking

don't flush when opening open terminal; missing splx; a few more
sensiblity tests; rename spl's to spltty

security fix from George Goble

Change to includes. no more ../h

t_delct unused; use t_canq.c_cc instead

don't sign extend local flags when shifting for TIOCLGET

fix the rest of the signal value checks

in cooked tandem mode, no stopc until at least 1 delim

scanc returns count remaining, not pointer

return EWOULDBLOCK on read w/ no carrier or NBIO in raw mode

new signal code for SIGTTOU;
check for negative ldisc

get rid of passuc as it is equivalent to ureadc (shannon)

4.2 distribution

parenthesis problem; wait a long time past col 127

correct terminal delays (kre)

wait for silo's to drain on output (from kre)

fix from edward for flushing type ahead on switch to CBREAK

purge #if sun's