150 	int	windex;  member
1675 	return (fifo->rindex == fifo->windex);  in fifo_empty()
1690 	if (n > (size_t)(fifo->windex - fifo->rindex))  in fifo_ready()
1691 		n = (size_t)(fifo->windex - fifo->rindex);  in fifo_ready()
1725 	if (fifo->rindex == fifo->windex) {  in fifo_read_char()
1746 	if (fifo->windex - fifo->rindex < CYAPA_BUFSIZE) {  in fifo_write_char()
1747 		fifo->buf[fifo->windex & CYAPA_BUFMASK] = c;  in fifo_write_char()
1748 		++fifo->windex;  in fifo_write_char()
1763 	n = CYAPA_BUFSIZE - (fifo->windex & CYAPA_BUFMASK);  in fifo_space()
1764 	if (n > (size_t)(CYAPA_BUFSIZE - (fifo->windex - fifo->rindex)))  in fifo_space()
1765 		n = (size_t)(CYAPA_BUFSIZE - (fifo->windex - fifo->rindex));  in fifo_space()
1776 	ptr = fifo->buf + (fifo->windex & CYAPA_BUFMASK);  in fifo_write()
1777 	fifo->windex += n;  in fifo_write()
1789 	fifo->windex = 0;  in fifo_reset()