asymctl
static int asymctl(struct asycom *, int, int);
(void) asymctl(asy,
*(int *)datamp->b_rptr = asymctl(asy, 0, TIOCMGET);
(void) asymctl(asy, dmtoasy(asy, *(int *)mp->b_cont->b_rptr),
static int asymctl(struct asycom *, int, int);
(void) asymctl(asy,
*(int *)datamp->b_rptr = asymctl(asy, 0, TIOCMGET);
(void) asymctl(asy, dmtoasy(*(int *)mp->b_cont->b_rptr),