540 	int xmit_count, tail, head, loops, ii;  in sn_transmit_chars()  local
568 	tail = xmit->tail;  in sn_transmit_chars()
569 	start = &xmit->buf[tail];  in sn_transmit_chars()
573 	loops = (head < tail) ? 2 : 1;  in sn_transmit_chars()
576 		xmit_count = (head < tail) ?  in sn_transmit_chars()
577 		    (UART_XMIT_SIZE - tail) : (head - tail);  in sn_transmit_chars()
594 				tail += result;  in sn_transmit_chars()
595 				tail &= UART_XMIT_SIZE - 1;  in sn_transmit_chars()
596 				xmit->tail = tail;  in sn_transmit_chars()
597 				start = &xmit->buf[tail];  in sn_transmit_chars()
938 		int ltail = port->sc_port.state->xmit.tail;  in sn_sal_console_write()
965 					port->sc_port.state->xmit.tail)) {  in sn_sal_console_write()
969 						port->sc_port.state->xmit.tail;  in sn_sal_console_write()