emul_termios
static void stios2btios(struct emul_termios *, struct termios *);
static void btios2stios(struct termios *, struct emul_termios *);
static void stios2stio(struct emul_termios *, struct emul_termio *);
static void stio2stios(struct emul_termio *, struct emul_termios *);
stios2btios(struct emul_termios *st, struct termios *bt)
btios2stios(struct termios *bt, struct emul_termios *st)
stios2stio(struct emul_termios *ts, struct emul_termio *t)
stio2stios(struct emul_termio *t, struct emul_termios *ts)