. also implement some netbsd-style tty ioctls
. also implement SIGINFO
. also import netbsd stty
. rename keymap minix CMIN (for ctrl+minus on numeric keypad)
to CNMIN; to keep unchanged control character default CMIN in
new <sys/ttydefaults.h>
. convert CS[5678] logic in rs232 driver to explicit setting of LC
bits
Change-Id: I8fe73d0a293acde531ad46847cc66d71ff831320
a little cleaner (escaped scancodes are less of a special case) and
lets us be completely flexible when assigning meaning to them.
Future: a tool and ioctl to load the escaped keymap.
to col selected from the keymap untill right-alt is pressed again.
Sticky alt code and russian keymap contributed by Roman Ignatov
and Yaroslav Schekin.
