461 	struct stroptions *sop;  in zc_master_open()  local
499 	sop = (struct stroptions *)(void *)mop->b_rptr;  in zc_master_open()
501 		sop->so_flags = SO_HIWAT | SO_LOWAT;  in zc_master_open()
503 		sop->so_flags = SO_HIWAT | SO_LOWAT | SO_ISTTY;  in zc_master_open()
504 	sop->so_hiwat = 512;  in zc_master_open()
505 	sop->so_lowat = 256;  in zc_master_open()
521 	struct stroptions *sop;  in zc_slave_open()  local
577 	sop = (struct stroptions *)(void *)mop->b_rptr;  in zc_slave_open()
578 	sop->so_flags = SO_HIWAT | SO_LOWAT | SO_ISTTY;  in zc_slave_open()
579 	sop->so_hiwat = 512;  in zc_slave_open()
580 	sop->so_lowat = 256;  in zc_slave_open()