361 	int		is_last;  in write_fifo()  local
379 		is_last = 1;  in write_fifo()
382 		is_last = 1;  in write_fifo()
384 		is_last = 0;  in write_fifo()
390 	if (is_last)  in write_fifo()
392 	return is_last;  in write_fifo()
423 	int		is_last;  in read_fifo()  local
431 		is_last = 0;  in read_fifo()
450 			is_last = 1;  in read_fifo()
459 			is_last = 1;  in read_fifo()
461 			is_last = 0;  in read_fifo()
465 		if (is_last)  in read_fifo()
469 	return is_last;  in read_fifo()